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CONTINUOUSLY VARIABLE TRANSMISSION (CVT) 01J ON BOARD DIAGNOSTIC (OBD)

HEADINGS
- 01 On Board Diagnostic (OBD)
  - On Board Diagnostic (OBD), operation
    - On Board Diagnostic (OBD), operation
    - Transmission Control Module (TCM) DTC Recognition
    - Transmission Control Module (TCM) safety functions
    - Technical Data
  - Electrical/electronic components and locations
    - Electrical/electronic components and locations
      - Transmission Control Module (TCM) for multitronic -J217-
      - Hydraulic Unit
      - Shift lock solenoid -N110-
      - Data Link Connector (DLC)
      - Cruise control switch -E45-
      - Transmission Range (TR) selector lever display -Y6-
      - Relay for power supply terminal 87 and Park/Neutral Position (PNP) relay -J226-
      - Brake light switch -F-
      - Kickdown switch -F8-
  - On Board Diagnostic (OBD), program
    - Safety Precautions
    - Performance testing, brake testing and towing
    - VAS 5051 Vehicle Diagnosis, Measurement and Information System, connecting and selecting functions
  - List of Selectable Functions
    - List of Selectable Functions
  - Diagnostic Trouble Code (DTC) memory, reading
    - Diagnostic Trouble Code (DTC) memory, reading
  - Diagnostic Trouble Code (DTC) table
    - Diagnostic Trouble Code (DTC) table
  - Part 1, up to Diagnostic Trouble Code 18149/P1741
    - Part 1, up to Diagnostic Trouble Code 18149/P1741
  - Part 2, up to Diagnostic Trouble Code 18270/P1862
    - Part 2, up to Diagnostic Trouble Code 18270/P1862
  - Output Diagnostic Test Mode (DTM)
    - Output Diagnostic Test Mode (DTM)
  - Diagnostic Trouble Code (DTC) memory, erasing
    - Diagnostic Trouble Code (DTC) memory, erasing
  - Transmission Control Module (TCM), coding
    - Transmission Control Module (TCM), coding
  - Measured Value Block, reading
    - Measured Value Block, reading
    - List of Selectable Display Groups
    - Measured Value Block table
  - Adaptation
    - Adaptation
  - Electrical Testing
    - Electrical Testing
      - Multiple harness connector (25-pin connector) for Transmission control module -J217- (cavities on V.A.G 1598/21)
    - Test table
    - Shift Lock Solenoid -N110-, checking
    - Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking
FIGURES
- Fig. 1: Transmission Range (TR) Selector Lever Display -Y6-
- Fig. 2: Identifying Fully Illuminated Transmission Range Display
- Fig. 3: Identifying Flashing Transmission Range Indicator
- Fig. 4: Electrical/Electronic Components And Locations
- Fig. 5: Transmission Control Module (TCM) For Multitronic -J217-
- Fig. 6: Hydraulic Unit
- Fig. 7: Shift Lock Solenoid -N110-
- Fig. 8: Identifying Vehicle Diagnosis, Testing and Information System VAS 5051 and Data Link Connector (DLC)
- Fig. 9: Cruise Control Switch -E45-
- Fig. 10: Transmission Range (TR) Selector Lever Display -Y6-
- Fig. 11: Relay For Power Supply Terminal 87 And Park/Neutral Position (PNP) Relay -J226-
- Fig. 12: Brake Light Switch -F-
- Fig. 13: Kick Down Switch F8
- Fig. 14: Identifying Vehicle Diagnosis, Testing and Information System VAS 5051 and Data Link Connector (DLC)
- Fig. 15: Diagnostic System VAS 5051: Display
- Fig. 16: Diagnostic System VAS 5051: Display
- Fig. 17: Diagnostic System VAS 5051: Display - System In Basic Setting
- Fig. 18: Diagnostic System VAS 5051: Display
- Fig. 19: Identifying Content Of DTC Memory & Identification Of Fault On Diagnostic System VAS 5051 Display
- Fig. 20: Diagnostic System VAS 5051: Display
- Fig. 21: Diagnostic System VAS 5051: Display
- Fig. 22: Display On VAS 5051 - (1st Control Element In Test & Evaporative Emission (EVAP) Canister Purge Regulator Valve-N80-)
- Fig. 23: Display On VAS 5051 - (2nd Control Element In Test & Secondary Air Injection (AIR) Solenoid Valve -N112-)
- Fig. 24: Display On VAS 5051 - (Output Diagnostic Test Mode Is Completed)
- Fig. 25: Diagnostic System VAS 5051: Display
- Fig. 26: Diagnostic System VAS 5051: Display
- Fig. 27: Diagnostic System VAS 5051: Display
- Fig. 28: Diagnostic System VAS 5051: Display
- Fig. 29: Diagnostic System VAS 5051: Display
- Fig. 30: Diagnostic System VAS 5051: Display - (Coding Of Vehicle System Performed & Control Module Identification With New Coding)
- Fig. 31: Diagnostic System VAS 5051: Display
- Fig. 32: Diagnostic System VAS 5051: Display
- Fig. 33: Identifying VAS5051 Tester Display
- Fig. 34: Diagnostic System VAS 5051: Display - Display Fields
- Fig. 35: Diagnostic System VAS 5051: Display - Display Fields
- Fig. 36: Special Tool - Multimeter V.A.G 1526 A
- Fig. 37: VAG 1598/21 Adapter From VAG 1598 A Test Box
- Fig. 38: Identifying Quick-Release Fasteners And Noise Insulation
- Fig. 39: Removing Vehicle Floor Plates At Inside Left/Right
- Fig. 40: Disengaging Harness Connector From Transmission
- Fig. 41: Identifying Adapter Set V.A.G 1594 A
- Fig. 42: Disconnecting Harness Connector At Shift Lock Solenoid -N110 & Attaching Multimeter For Resistance Measurement Between Contacts
- Fig. 43: Diagnostic System VAS 5051: Display
- Fig. 44: Diagnostic System VAS 5051: Display
- Fig. 45: Diagnostic System VAS 5051: Display - Display Fields
- Fig. 46: Diagnostic System VAS 5051: Display
- Fig. 47: Checking Bus Wires For Short Circuit To B+ Or Ground
- Fig. 48: Diagnostic System VAS 5051: Display
TABLES

TRANSMISSION

Continuously Variable Transmission (CVT) 01J On Board Diagnostic (OBD)

01 On Board Diagnostic (OBD)

On Board Diagnostic (OBD), operation

The Multitronic 01J constantly variable automatic transmission is controlled electronically/hydraulically.

The Transmission Control Module (TCM) receives information from components which influence the shifts. Based on this information, the control module activates the applicable proportioning valves in the valve body. The three proportioning valves regulate the fluid pressure generated by the ATF pump.

Proportioning valve 1 regulates the opening and closing of the clutches or brakes respectively.

Proportioning valve 2 controls the transmission ratio between the two disc sets, depending on driving conditions, i.e. it regulates the pressures on the adjusting cylinders of the two disc sets and keeps the chain at a constant tension.

Proportioning valve 3 regulates ATF cooling of the transmission.

A more precise description and operation of the individual valves can be found in:

Refer to Self-study Program Course No. 951103, Variable Automatic Transmission, Multitronic 01J

Transmission Control Module (TCM) DTC Recognition

The term "On Board Diagnostic" refers to the electrical/electronic part of the controls.

The control module is equipped with a Diagnostic Trouble Code (DTC) memory so that in the event of the failure of an electrical/electronic component, or in the event of an open circuit, the cause of the malfunction can be determined quickly.

The potential of the On Board Diagnostic (OBD) system can only be fully exploited with the V.A.G. 5051 Vehicle Diagnostic Measurement and Information System or with the V.A.G. 1551 scan tool, operating mode 1 "Rapid Data Transmission."

For functions which the V.A.G. 5051 Vehicle Diagnostic Measurement and Information System or the V.A.G. 1551 scan tool can cover. Refer to List of Selectable Functions, Overview of Selectable Functions.

Malfunctions are recognized by means of electrical signals. If malfunctions occur in the sensors or components being monitored, they are stored in the DTC memory indicating the type and location of the malfunctions.

If a malfunction is present, it is saved as a statistical error. If the malfunction occurs only briefly and is then no longer present, it becomes an intermittent malfunction after the ignition is switched off and on again.

Malfunctions occurring sporadically (intermittently, occasionally) are displayed on the screen as "sporadic."

After 40 engine cold starts (followed by transmission warm-up) the sporadic malfunctions are automatically deleted from the DTC memory

A maximum of 10 trouble codes are stored in the DTC memory. If an eleventh trouble code should be detected with 10 statistical trouble codes, emergency shutoff takes place.

If 10 trouble codes have already been saved in the DTC memory but they are not all statistical, and an eleventh trouble code is added, the oldest existing sporadic trouble code is overwritten.

Transmission Control Module (TCM) safety functions

In the event of a failure of individual or several components or sensors, the control module -J217- activates corresponding substitute functions. This ensures non-destructive operation of the transmission with the consequent effect on the function and quality of the shifts.

Three conditions can be distinguished which are recognized by multitronic.

Fig. 1: Transmission Range (TR) Selector Lever Display -Y6-
Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - The trouble code is stored and a substitute program allows the vehicle to continue to be driven (with some limitations). The driver is not alerted to this condition, since it is not critical to safety nor for the transmission. The transmission range display in the instrument cluster indicates as normal the particular range that has been selected (arrow). The driver may notice a difference in vehicle driveability and contact an authorized dealer.

Fig. 2: Identifying Fully Illuminated Transmission Range Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

2 - The trouble code is stored and a substitute program allows the vehicle to continue to be driven (with some restrictions). The fully illuminated transmission range display in the instrument cluster shows the driver a simple malfunction (arrow). This malfunction is barely noticeable to the driver, but the brightly lighted transmission range display is intended to indicate that he or she should consult an authorized dealer as soon as possible to avoid subsequent damage in the transmission.

Fig. 3: Identifying Flashing Transmission Range Indicator
Courtesy of VOLKSWAGEN UNITED STATES, INC.

3 - A flashing transmission range indicator in the instrument cluster points to a serious malfunction in the transmission (arrow). The condition is critical to safety or for the transmission.

CAUTION:
A flashing transmission range display indicator in the instrument cluster means the vehicle could come to an immediate stop or might not continue operation the next time the vehicle is stopped. This could mean that stopping at a traffic signal can cause traffic to be obstructed.

The flashing transmission range display is requesting the driver to stop his or her vehicle at the nearest possible location and to inform an Audi authorized dealer.

NOTE: In specific cases following a short wait, driving can be resumed by restarting the engine. In any case, the driver should immediately consult an Audi authorized dealer.

If the Transmission Control Module (TCM) -J217- fails, for example, due to a loss of the voltage feed, it will not be possible to continue driving.

CAUTION:
When the vehicle is towed, the transmission selector lever must be in position N, and it must not be towed more than 50 km and not above 50 km/h, otherwise the transmission will be destroyed.

Technical Data

DTC memory

Permanent memory

Yes

Data output

Rapid data transmission
Blink code output Yes
No

Output Diagnostic Test Mode (DTM) Refer to Output Diagnostic Test Mode (DTM)

Basic setting No

Adaptation Refer to Adaptation

Coding control module Refer to Transmission Control Module (TCM), coding

Reading Measured Value Block Refer to Measured Value Block, reading

Electrical/Electronic components and component locations Refer to Electrical/electronic components and locations

Electrical/electronic components and locations

Fig. 4: Electrical/Electronic Components And Locations
Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Transmission Control Module (TCM) for multitronic -J217-

Component location --> Fig. 5
Control module is tested by the OBD system
Removal and installation:

Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

2 - Hydraulic unit

Component location. See Fig. 6
Valves are tested by the OBD system

Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Removal and installation:

3 - Shift control mechanism cover

Removal and installation:

Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

4 - Tiptronic Switch -F189-

Component location: Integral with the printed-circuit board which is located in the cover for the shift control mechanism
Consists of 3 Hall sensors which are triggered by a solenoid on the transverse slide of the roll cover
Can be tested in Measured Value Block. Refer to Measured Value Block, reading
In the event of Tiptronic switch malfunctions, first check whether the solenoid is properly attached to the roll cover, if necessary replace the transverse slide. The circuit board must not be replaced until the wiring connections have been inspected.

Removal and installation:

Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

5 - Shift lock solenoid -N110-

Component location. See Fig. 7
Can be tested in the Measured Value Block. Refer to Measured Value Block, reading and Electrical Testing
Removal and installation:

Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

6 - Data Link Connector (DLC)

Component location. Refer to Fig. 8

7 - Cruise control switch -E45-

Component location. See Fig. 9
Removal and installation:

Refer to

94 LIGHTS, SWITCHES - EXTERIOR
94 LIGHTS, SWITCHES - EXTERIOR for ELECTRICAL EQUIPMENT, CABRIOLET

8 - Park/Neutral Position (PNP) relay -J226-

Component location. See Fig. 11

9 - Power supply relay terminal 87

Component location. Refer to Fig. 11

10 - Transmission Range (TR) selector lever display -Y6-

Component location. Refer to Fig. 10
Flashing transmission range display indicates a critical defect. Refer to Transmission Control Module (TCM) safety functions
Fully illuminated transmission range display indicates a simple defect. Refer to Transmission Control Module (TCM) safety functions
No display points to a wiring fault or a faulty display -Y6-

11 - Kickdown switch -F8-

Component location. See Fig. 13
No mechanical switch. A specific value from the Throttle position sensors -G79-/-G185- is saved in the Engine Control Module (ECM)
Signal transmission from the Engine Control Module (ECM) to the Transmission Control Module (TCM) over the CAN bus
Can be tested in Measured Value Block. Refer to Measured Value Block, reading

Accelerator pedal module removal and installation:

Refer to 20 - FUEL SUPPLY SYSTEM

12 - Brake light switch -F-

Component location. See Fig. 12
Can be tested in Measured Value Block. Refer to Measured Value Block, reading
Removal and installation:

Refer to 46 - BRAKES - MECHANICAL COMPONENTS

Transmission Control Module (TCM) for multitronic -J217-

Fig. 5: Transmission Control Module (TCM) For Multitronic -J217-
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Component location: The Transmission Control Module (TCM) -J217- is mounted at the rear of the transmission, directly on the hydraulic unit.

The following components are integrated in the control module.

A - Sender for transmission output RPM -G195- and Sender 2 for transmission output RPM -G196-

B - Transmission fluid temperature sensor -G93-

C - Multi-function transmission range (TR) switch -F125-

D - Sensor for transmission RPM -G182-

E - Sender 1 for hydraulic pressure, automatic transmission -G193-

F - Sender 2 for hydraulic pressure, automatic transmission -G194-

CAUTION:
Always perform the Adaptation after installing a new Transmission Control Module (TCM) -J217-: Refer to Adaptation

Hydraulic Unit

Fig. 6: Hydraulic Unit
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Component location: The hydraulic unit is bolted to the rear of the transmission. The Transmission Control Module (TCM) -J217- is bolted directly to the hydraulic unit.

A - Wiring connector for Pressure control valve 1 for automatic transmission -N215-

A - Wiring connector for Pressure control valve 2 for automatic transmission -N216-

C - Wiring connector for solenoid valve 1 -N88-

The following valves are integral on the hydraulic unit (not shown here):

1 - Pressure control valve 1 for automatic transmission -N215-; clutch solenoid valve

2 - Pressure control valve 2 for automatic transmission -N216-; transmission ratio solenoid valve

3 - Solenoid valve 1 -N88-; clutch cooling/safety cutoff

4 - Clutch cooling valve

5 - Minimum pressure valve

6 - Pressure control valve

7 - Clutch control valve

8 - Control pressure valve

You will find a more precise description and operation of the individual valves in:

Refer to Self-study Program Course No. 951103, Variable Automatic Transmission, Multitronic 01J

Shift lock solenoid -N110-

Fig. 7: Shift Lock Solenoid -N110-
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Component location: The shift lock solenoid is located in the shift control mechanism (arrow).

Data Link Connector (DLC)

Fig. 8: Identifying Vehicle Diagnosis, Testing and Information System VAS 5051 and Data Link Connector (DLC)
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Component location: The DLC is located under the knee bolster to the left of the steering wheel.

Cruise control switch -E45-

Fig. 9: Cruise Control Switch -E45-
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Component location: The cruise control switch is located on the steering column switch.

Transmission Range (TR) selector lever display -Y6-

Fig. 10: Transmission Range (TR) Selector Lever Display -Y6-
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Component location: Integrated in the instrument cluster

NOTE: The transmission range selector lever display can only be replaced together with the instrument cluster.

Relay for power supply terminal 87 and Park/Neutral Position (PNP) relay -J226-

Fig. 11: Relay For Power Supply Terminal 87 And Park/Neutral Position (PNP) Relay -J226-
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Component location: On the relay carrier in the E-Box plenum.

3 - Relay for power supply terminal 87

Power supply via terminal 87 is handled through the Motronic ECM power supply relay -J271-.

4 - Park/Neutral Position (PNP) relay -J226-

Brake light switch -F-

Fig. 12: Brake Light Switch -F-
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Component location: The brake light switch -arrow- is located on the pedal cluster.

NOTE: To ensure an adequately tight fit, the switch must only be installed once.

Kickdown switch -F8-

Fig. 13: Kick Down Switch F8
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Component location:

No mechanical switch. A specific value from the Throttle position sensors -G79-/-G185- is stored in the Engine Control Module (ECM)

On Board Diagnostic (OBD), program

Safety Precautions

If the use of test and measuring equipment is required during test drives, the following precautions must be observed:

CAUTION:

The test and measurement equipment must always be secured on the rear seat and operated from there by a second person.

If the test and measurement equipment is operated from the passenger seat, the person sitting there could be injured in an accident from deployment of the passenger side airbag.

In order to prevent injuries to persons and/or destruction of electrical and electronic components, the following precautions must be observed:

Attach measurement and test equipment terminals only with the ignition switched OFF.
With some tests it may happen that the control module detects and stores a trouble code. For this reason, the DTC memory must be read and if necessary deleted after completing all tests and repairs.
Disconnecting and attaching battery terminals must only be carried out with the ignition switched OFF, otherwise the Transmission Control Module (TCM) can be damaged.

CAUTION:
Observe precautions when disconnecting battery terminals.

Refer to

27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL

27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL for ELECTRICAL EQUIPMENT, CABRIOLET

Performance testing, brake testing and towing

NOTE: It is not possible to tow the vehicle in order to start the engine, for example when the battery is too weak or the starter is not working.

VAS 5051 Vehicle Diagnosis, Measurement and Information System, connecting and selecting functions

Test requirements

Parking brake applied.
Vehicle voltage supply O.K.
Voltage supply and fuses for particular system O.K.

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations binder

Ground connections for transmission O.K.

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations binder

Check ground connections for corrosion and damaged connection, repair as needed.

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations binder

Check battery ground (GND) strap and ground (GND) strap between battery and transmission.

Test procedure

Switch ignition OFF.

Fig. 14: Identifying Vehicle Diagnosis, Testing and Information System VAS 5051 and Data Link Connector (DLC)
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Connect VAS 5051 Vehicle Diagnosis, Measurement and Information System with diagnostic lead VAS 5051/1.

NOTE: The Data Link Connector (DLC) is located at the left-side knee bolster.

CAUTION:
Please observe safety precautions. Refer to Safety Precautions

NOTE: If an error message appears in the display:

Refer to Users Manual for VAS 5051 Vehicle Diagnosis, Measurement and Information System VAS 5051

Fig. 15: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Touch "Vehicle OBD" button.

Fig. 16: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

NOTE: By touching "00 Read DTC Memory Complete System" in the selection -1- the automatic test sequence is performed, i.e. a scan is performed of the DTC memory for all systems in the vehicle capable of OBD.

Depending on the desired function:

Switch ignition ON.

Start engine.
In selection -1- touch vehicle system "02 Transmission Electronics".
Wait until next display appears on screen.

Fig. 17: Diagnostic System VAS 5051: Display - System In Basic Setting
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051:

1 - Control module identification number of the Transmission Control Module (TCM).

Identification number of Transmission Control Module (example)

02 - Transmission electronics Vehicle system

01J927156. Part number; application

V301) 01J2) 3.0l 5V3) USA4) 20405) 1)
2)
3)
4)
5) Internal designation for Continuously Variable Transmission
Multitronic 01J
Engine version: 3.0 liter 5V
Market, USA and Canada
Control module data status (software status)

Code 1001 Control module coding check. Refer to Transmission Control Module (TCM), coding

Plant number 12345 Plant identification of the VAS 5051 with which the last coding was performed.

List of Selectable Functions

Refer to

02 - Diagnostic Trouble Code (DTC) memory Diagnostic Trouble Code (DTC) memory, reading

03 - Output Diagnostic Test Mode (DTM) Output Diagnostic Test Mode (DTM)

05 - Erasing DTC memory Diagnostic Trouble Code (DTC) memory, erasing

06 - Ending output

07 - Coding control module Transmission Control Module (TCM), coding

08 - Reading Measure Value Block Measured Value Block, reading

Diagnostic Trouble Code (DTC) memory, reading

Connect VAS 5051 Vehicle Diagnosis, Measurement and Information System. Refer to VAS 5051 Vehicle Diagnosis, Measurement and Information System, connecting and selecting functions. In selection touch vehicle system "02 Transmission Electronics". Ignition must be switched on.

Fig. 18: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

In selection -1- touch diagnostic function "02 Read DTC memory".

Fig. 19: Identifying Content Of DTC Memory & Identification Of Fault On Diagnostic System VAS 5051 Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051:

1 - Contents of the DTC memory:

0 DTC detected

X DTCs detected

2 - DTC

DTC

Location of DTC

Type of DTC

A - If DTCs were recognized:

Print out contents of screen or OBD protocol.
End function "02 Read DTC memory" by touching <-- button.

Fig. 20: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Repair malfunction(s) using DTC Chart. Refer to Diagnostic Trouble Code (DTC) table.
In selection touch diagnostic function "02 Read DTC memory" again and delete DTC memory. Refer to Diagnostic Trouble Code (DTC) memory, erasing.
Touch "06 End output".

B - If no DTC was detected:

Touch "06 End output".

Diagnostic Trouble Code (DTC) table

NOTE:

In the following list all the possible DTCs are shown in ascending order. These DTCs can be recognized by the Transmission Control Module (TCM) -J217-. Then they are displayed on the VAS 5051 Vehicle Diagnosis, Measurement and Information System VAS 5051 or on the V.A.G 1551 scan tool during reading of the DTC memory content.

If DTCs occur only occasionally or if the DTC memory was not deleted after the malfunction was corrected, these DTCs will be displayed for a predetermined time as "intermittently occurring DTCs". Refer to Transmission Control Module (TCM) DTC Recognition.

If faulty components are displayed when the DTC memory is read, make an additional check of wiring connections to the components for short or open circuits.

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations binder

Part 1, up to Diagnostic Trouble Code 18149/P1741

Output at printer Possible cause Corrective action

16889/P0505

Idle speed control
Malfunction

Specified engine idle RPM is lower than the specified idle RPM required by the transmission, which means that the required increase in idle RPM was not carried out.

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 020.

Read DTC memory for Engine Control Module (ECM) and repair malfunction.

16987/P0603

Control module faulty

Control module -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Check all applicable Technical Bulletins.

Output at printer Possible cause Corrective action

16988/P0604

Control module faulty

Control module -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

16989/P0605

Control module faulty

Control module -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

17086/P0702

Control module faulty

Control module -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Check all applicable Technical Bulletins.

Output at printer Possible cause Corrective action

17087/P0703

Brake light switch -F-

Electrical malfunction in circuit

Wiring connection between brake test switch, Brake light switch -F- and Engine Control Module (ECM) faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 001.

Check wiring connections and harness connectors using wiring diagram.

Read DTC memory for Engine Control Module (ECM) and repair malfunction.

Brake light switch -F- faulty

Replace Brake light switch -F-. Refer to 46 - BRAKES - MECHANICAL COMPONENTS

Note on DTC 17087/P0703:

Conditions for DTC recognition: The signals from the brake light switch and the brake test switch are transmitted over the CAN bus circuit to the Transmission Control Module (TCM) and evaluated there. After 10 consecutive occurrences of an implausibility between the brake light switch and the brake test switch (one switch actuated, the other not) this DTC is saved in the Transmission Control Module (TCM).

Output at printer Possible cause Corrective action

17090/P0706

Multifunction Transmission Range (TR) switch. Refer to -F125-

Implausible signal

Selector lever cable wrongly adjusted

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 002.

Adjust selector lever cable. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Operation of selector shaft solenoid 2) for multifunction transmission range switch affected by dirt or metal chips

Clean selector shaft. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Multifunction TR switch -F125- faulty

Replace2) Transmission Control Module. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Selector shaft solenoid 1) for multifunction TR switch demagnetized by a strong electrical field (welding equipment for example) or selector shaft bent or damaged

Replace transmission. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

1) The solenoid transmits the current position of the selector shaft to the Hall sensors on the multifunction TR switch -F125-. If the shift control mechanism is correctly adjusted, this position matches the selector lever position.

2) The multifunction TR switch -F125- is integrated in the Transmission Control Module (TCM) -J217- and can only be replaced as a unit with the Transmission Control Module (TCM).

Output at printer Possible cause Corrective action

17094/P0710

Transmission fluid temperature sensor -G93-

Electrical malfunction in circuit

Transmission fluid temperature sensor -G93- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 010 or 011.

Replace Transmission Control Module (TCM) 3. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

17095/P0711

Transmission fluid temperature sensor -G93-

Implausible signal

Transmission fluid temperature sensor -G93- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 010 or 011

Replace Transmission Control Module (TCM) 4. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

3) The transmission fluid temperature sensor -G93- is integrated in the Transmission Control Module (TCM) -J217- and can only be replaced as a unit along with the Transmission Control Module (TCM).

Output at printer Possible cause Corrective action

17096/P0712

Transmission fluid temperature sensor -G93-

Signal too low

Transmission fluid temperature sensor -G93- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 010 or 011.

Replace Transmission Control Module (TCM) 4. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

4) The Transmission fluid temperature sensor -G93- is integrated in the Transmission Control Module (TCM) -J217- and can only be replaced as a unit along with the Transmission Control Module (TCM).

Note on DTC 17096/P0712:

Condition for DTC recognition: The temperature reading measured fell below -60°C.

Output at printer Possible cause Corrective action

17097/P0713

Transmission fluid temperature sensor -G93-

Signal too high

Transmission fluid temperature sensor -G93- faulty

Read Measured Value Block 5). Refer to Measured Value Block, reading; display group number 010 or 011.

Replace Transmission Control Module (TCM) 4. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

4) The transmission fluid temperature sensor -G93- is integrated in the Transmission Control Module (TCM) -J217- and can only be replaced as a unit with the Transmission Control Module (TCM).

5) The Measured Value Block should be read out when the engine and transmission have cooled (approx. room temperature). If the temperature reading is then higher than or equal to 160°C, the transmission fluid temperature sensor -G93- is clearly faulty.

Note on DTC 17097/P0713:

Condition for DTC recognition: The temperature reading measured has exceeded 160°C.

Output at printer Possible cause Corrective action

17100/P0716

Sensor for transmission RPM
-G182-

Implausible signal

Sensor for transmission RPM -G182- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 007

Replace Transmission Control Module (TCM) 6. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

6) The Sensor for transmission RPM -G182- is integrated in the Transmission Control Module (TCM) -J217 and can only be replaced as a unit along with the Transmission Control Module (TCM).

Note on DTC 17100/P0716:

Condition for DTC recognition: The Transmission Control Module recognizes short-term drive RPM which is higher than 7000 RPM.

Output at printer Possible cause Corrective action

17101/P0717

Sensor for transmission RPM -G182-

No signal

Sensor for transmission RPM -G182- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 007.

Replace Transmission Control Module (TCM) 6. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Sensor wheel in transmission has become detached or is faulty.

Replace transmission. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

6) The Sensor for transmission RPM -G182- is integrated in the Transmission Control Module (TCM) -J217- and can only be replaced as a unit along with the Transmission Control Module (TCM).

Note on DTC 17101/P0717:

Condition for DTC recognition: The Transmission Control Module (TCM) recognizes short-term input RPM which is less than or equal to 1 RPM and simultaneously an output RPM which is higher than 100 RPM.

Output at printer Possible cause Corrective action

17105/P0721

Sender for transmission output RPM -G195-

Implausible signal

Sender for transmission output RPM -G195- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 004.

Replace Transmission Control Module (TCM) 7. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

17106/P0722

Sender for transmission output RPM -G195-

No signal

Sender for transmission RPM -G195- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 004.

The Transmission Control Module (TCM) is not receiving an indication of vehicle direction

Replace Transmission Control Module (TCM) 7. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

7) The Sender for transmission RPM -G195- is integrated in the Transmission Control Module (TCM) -J217- and can only be replaced as a unit along with the Transmission Control Module (TCM).

Output at printer Possible cause Corrective action

17110/P0726

RPM signal from Engine Control Module (ECM)

Implausible signal

Malfunction in Engine speed RPM sensor -G28- diagnosed by Engine Control Module (ECM)

Engine RPM too high recognized (engine over revved)

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 009.

Read DTC memory for Engine Control Module (ECM) and repair malfunction.

Wiring from Engine Control Module (ECM) to Transmission Control Module faulty

Perform electrical test. Refer to Electrical Testing.

Check wiring connections and harness connectors using wiring diagram.

Note on DTC 17110/P0726:

An implausible RPM signal is being received by the Transmission Control Module (TCM) over the RPM lead. The cause could be, for example, engine RPM too high or false RPM readings caused by interference from the ignition system. The substitute engine RPM signal is then transmitted by the Engine Control Module (ECM) over the CAN bus circuit to the Transmission Control Module.

Output at printer Possible cause Corrective action

17111/P0727

RPM signal from Engine Control Module (ECM)

No signal

Open circuit in wiring

Perform electrical test. Refer to Electrical Testing.

Check wiring connections and harness connectors using wiring diagram.

Malfunction in Engine Control Module (ECM)

Read DTC memory for Engine Control Module (ECM) and repair malfunction.

Transmission Control Module -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

17114/P0730

Monitoring gear ratio

Wrong transmission ratio

Transmission faulty

Replace transmission. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Note on DTC 17111/P0727:

In the event of an open circuit in the RPM lead, the substitute engine RPM signal is transmitted by the Engine Control Module (ECM) over the CAN bus circuit to the Transmission Control Module (TCM).

Output at printer Possible cause Corrective action

17134/P0750

Shift valve 1. Refer to solenoid valve 1 -N88-

Operational malfunction

Clutch pressure too high

Solenoid valve 1 -N88- 8) faulty

Replace hydraulic unit. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

17137/P0753

Shift valve 1. Refer to solenoid valve 1 -N88-

Electrical malfunction in circuit

Wires 9) to solenoid valve 1 -N88- have a short circuit to B+ or ground

Replace Transmission Control Module (TCM) 9. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

8) Solenoid valve 1 -N88- is integral in the hydraulic unit and can only be replaced as a unit along with the hydraulic unit.

9) The wires are integral in the Transmission Control Unit -J217- and can only be replaced as a unit along with the new Transmission Control Module (TCM).

Output at printer Possible cause Corrective action

18031/P1623

Data bus drive 10)

No communication

Open wire in CAN bus circuit

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 125.

Check CAN bus. Refer to Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking.

Incorrect or faulty Engine Control Module (ECM)

Check Engine Control Module (ECM) identification number and read DTC memory.

Incorrect or faulty ABS control module

Check ABS control module identification number and read DTC memory.

Transmission Control Module (TCM) does not match the Engine Control Module (ECM), or the ABS control module 11)

Check Engine Control Module (ECM) identification number.

Incorrect or faulty instrument cluster

Check instrument cluster identification number and read DTC memory.

10) The data bus is also described as a CAN bus.

11) Software status of Engine Control Module (ECM), ABS and Transmission Control Module (TCM) or instrument cluster do not match, or an incorrect Transmission Control Module could also have been installed.

Notes on DTC 18031/P1623:

The exchange of data and information between the Engine Control Module (ECM), ABS control module, Transmission Control Module (TCM) and instrument cluster is carried out over the CAN bus. All information signals are transmitted over 2 leads.
The Transmission Control Module (TCM) can send signals and data, but it cannot receive anything.

Output at printer Possible cause Corrective action

18112/P1704

Kickdown switch -F8- 13)

Electrical malfunction in circuit

Open wire in CAN bus circuit

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 125.

Check CAN bus. Refer to Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking.

Short circuit or open circuit between accelerator pedal module and Engine Control Module (ECM)

Accelerator pedal module faulty

Read out DTC memory for Engine Control Module (ECM) and repair malfunction.

Check wiring connections and harness connectors using wiring diagram.

Replace accelerator pedal module. Refer to 20 - FUEL SUPPLY SYSTEM

13) No mechanical switch. A specific value from the Throttle position sensors -G79-/-G185- is saved in the Engine Control Module (ECM). Signal transmission from Engine Control Module (ECM) to Transmission Control Module takes place over CAN bus.

Note on DTC 18112/P1704:

With the brake pedal depressed and simultaneous full depression of the accelerator pedal as far as Kickdown (Wide Open Throttle) this DTC can be displayed erroneously.

Output at printer Possible cause Corrective action

18113/P1705

Monitoring gear ratio

Adaptation limit reached

Adaptation values stored too limited

Delete DTC memory, perform adaptation:

NOTE:

If transmission is operating correctly, delete DTC memory and ignore renewed DTC entry.

Hydraulic malfunction

Replace hydraulic unit. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Output at printer Possible cause Corrective action

18132/P1724

Signal for Park/Neutral position

Short circuit to ground

Park/Neutral position relay -J226- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 005.

Replace relay for Park/Neutral position relay -J226-. See Fig. 11.

Short circuit to ground in the electrical wiring

Check wiring connections and harness connectors using wiring diagram.

18137/P1729

Signal for Park/Neutral position

Short circuit to B+

Relay for Park/Neutral position relay -J226- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 005.

Replace relay for Park/Neutral position relay -J226-. See Fig. 11.

Short circuit to B+ in the electrical wiring

Check wiring connections and harness connectors using wiring diagram.

Note on DTC 18132/P1724:

Open circuit cannot be determined by the control module.

Note on DTC 18137/P1729:

Open circuit cannot be determined by the control module.

Output at printer Possible cause Corrective action

18141/P1733

Tiptronic switch -F189-

Short circuit to ground

Tiptronic switch -F189- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 003.

Short circuit to ground in the electrical wiring

Short circuit to ground in the Tiptronic buttons on the multifunction steering wheel or in the wiring

Check wiring and harness connectors using wiring diagram.

Solenoid in the masking cover for shift mechanism has become detached

Replace printed-circuit board14) or roll cover15) for shift mechanism. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

14) The Tiptronic switch -F189- consists of switches for recognition, upshift and downshift. It is integrated in the shift mechanism printed circuit board, i.e. if the Tiptronic switch is faulty, the printed circuit board has to be replaced.

15) The Tiptronic switch -F189- receives its Tiptronic gate recognition or upshift/downshift information through the solenoid on the transverse slide of the roll cover. If the solenoid has become detached, the cover must be replaced.

Note on DTC 18141/P1733:

In the case of this DTC "Downshift switch" is always displayed in Measured Value Block 003.

Output at printer Possible cause Corrective action

18147/P1739

Tiptronic switch -F189-

Short circuit to ground

Tiptronic switch -F189- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 003.

Short circuit to ground in the electrical wiring

Short circuit to ground in the Tiptronic buttons on the multifunction steering wheel or in the wiring

Check wiring and harness connectors using wiring diagram.

Solenoid in the roll cover for shift mechanism has become detached

Replace printed circuit board14) or rollcover15) for shift mechanism. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Note on DTC 18147/P1739:

In the case of this DTC "Upshift switch" is always displayed in Measured Value Block 003.

Output at printer Possible cause Corrective action

18148/P1740

Monitoring clutch temperature

Clutch was overloaded, for example, as the result of repeated hill starts with a trailer

Allow ATF to cool.

18149/P1741

Clutch pressure adaptation

Adaptation limit reached

Hydraulic malfunction

Replace hydraulic unit. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Notes on DTC 18148/P1740:

The DTC is displayed when clutch temperature is too high.
Engine torque is automatically cut back until the temperature has fallen into the permissible operating range again.

Note on DTC 18149/P1741:

If this DTC occurs intermittently (display SP), the DTC memory must be deleted. Afterward, the vehicle must be taken for a test drive and the DTC memory read again. If the DTC recurs, the hydraulic unit must be replaced.

Part 2, up to Diagnostic Trouble Code 18270/P1862

Output at printer Possible cause Corrective action

18150/P1742

Clutch torque adaptation

Adaptation limit reached

Malfunction in Engine Control Module (ECM)

Read Engine Control Module (ECM) DTC memory and repair malfunction.

ATF properties are no longer OK

Change ATF, then perform adaptation. Refer to Adaptation. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Transmission faulty

Replace transmission. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Output at printer Possible cause Corrective action

18151/P1743

Monitoring clutch slip

Signal too high

Incorrect transmission installed16)

Compare code letters on transmission with code letters in --> 00 - GENERAL, TECHNICAL DATA

ATF properties are no longer OK

Change ATF, then perform adaptation. Refer to Adaptation. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Clutch faulty

Replace transmission. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

16) This DTC is displayed if an incorrect transmission has been installed, i.e. if a transmission for a 1.8 liter engine was mistakenly installed in a vehicle with a 3.0 liter engine.

Output at printer Possible cause Corrective action

18152/P1744

Tiptronic switch -F189-

Short circuit to ground

Tiptronic switch, -F189-17) faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 003.

Short circuit to ground in the electrical wiring

Short circuit to ground in the Tiptronic buttons on the multifunction steering wheel or in the wiring

Check wiring and harness connectors using wiring diagram.

Solenoid in roll cover for shift mechanism has become detached

Replace printed circuit board14) or roll cover15) for shift mechanism. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

14) The Tiptronic switch -F189- consists of switches for recognition, upshift and downshift. It is integrated in the shift mechanism printed circuit board, i.e. if the Tiptronic switch -F189- is faulty, the printed-circuit board has to be replaced.

15) The Tiptronic switch -F189- receives its Tiptronic gate recognition or upshift/downshift information through the solenoid on the transverse slide for the roll cover. If the solenoid has become detached, the cover must be replaced.

17) If the transmission is shifted into the Tiptronic gate with the selector lever in D this shift procedure is recognized by the Tiptronic recognition switch -F189- and transmitted to the Transmission Control Module (TCM).

Note on DTC 18152/P1744:

DTC is displayed if Tiptronic recognition was detected, although the selector lever is not in the Tiptronic gate.

Output at printer Possible cause Corrective action

18156/P1748

Control module faulty

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

18158/P1750

Power supply

Voltage too low

Generator or voltage regulator faulty

Check power supply for Transmission Control Module (TCM). Refer to Electrical Testing.

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Note on DTC 18158/P1750:

Condition for DTC recognition: Battery voltage was detected as less than or at 10 V.

Output at printer Possible cause Corrective action

18159/P1751

Power supply

Voltage too high

Generator or voltage regulator faulty

Check power supply for Transmission Control Module (TCM). Refer to Electrical Testing.

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Notes on DTC 18159/P1751:

Condition for DTC recognition: Battery voltage above 16 volts.
This DTC was also displayed, for example, when jump starting with a 24 volt battery.

Output at printer Possible cause Corrective action

18161/P1753

Tiptronic switch -F189-

Implausible signal

Individual Hall sensors are not switching to ground

With an intermittent DTC: Check adjustment of selector lever cable. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 002.

Replace printed circuit board14) for shift mechanism. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Connector at the shift mechanism not connected

Power supply for shift mechanism missing

All 3 Tiptronic wires have an open circuit

Check wiring and harness connectors using wiring diagram.

14) The Tiptronic switch -F189- consists of switches for recognition, upshift and downshift. It is integrated in the shift mechanism printed circuit board, i.e. if the Tiptronic switch -F189- is faulty, the printed circuit board has to be replaced.

Output at printer Possible cause Corrective action

18162/P1754

Tiptronic switch -F189-

Open circuit/short circuit
to B+

Tiptronic switch -F189- faulty (upshift)

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 003.

Replace printed circuit board14) for shift mechanism. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Open circuit/short circuit to B+ in the electrical wiring

Open circuit/short circuit to B+ in the Tiptronic buttons on the multifunction steering wheel or in the wiring

Check wiring and harness connectors using wiring diagram.

14) The Tiptronic switch -F189- consists of switches for recognition, upshift and downshift. It is integrated in the shift mechanism printed circuit board, i.e. if the Tiptronic switch -F189- is faulty, the printed circuit board has to be replaced.

Output at printer Possible cause Corrective action

18163/P1755

Tiptronic switch -F189-

Open circuit/short circuit
to B+

Tiptronic switch -F189- faulty (downshift)

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 003.

Replace printed circuit board14) for shift mechanism. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Open circuit/short circuit to B+ in the electrical wiring

Open circuit/short circuit to B+ in the Tiptronic buttons on the multifunction steering wheel or in the wiring

Check wiring and harness connectors using wiring diagram.

14) The Tiptronic switch -F189- consists of switches for recognition, upshift and downshift. It is integrated in the shift mechanism printed circuit board, i.e. if the Tiptronic switch -F189- is faulty, the printed circuit board has to be replaced.

Output at printer Possible cause Corrective action

18164/P1756

Tiptronic switch -F189-

Open circuit/short circuit
to B+

Tiptronic switch -F189- faulty (recognition)

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 003.

Replace printed circuit board14) for shift mechanism. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Open circuit/short circuit to B+ in the electrical wiring

Open circuit/short circuit to B+ in the Tiptronic buttons on the multifunction steering wheel or in the wiring

Check wiring and harness connectors using wiring diagram.

14) The Tiptronic switch -F189- consists of switches for recognition, upshift and downshift. It is integrated in the shift mechanism printed circuit board, i.e. if the Tiptronic switch -F189- is faulty, the printed circuit board has to be replaced.

Output at printer Possible cause Corrective action

18165/P1757

Power supply

Open circuit

Open circuit in electrical wiring

Check power supply for Transmission Control Module (TCM). Refer to Electrical Testing.

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Output at printer Possible cause Corrective action

18169/P1761

Shift locksolenoid -N110-18)

Short circuit to ground

Short circuit to ground in electrical wiring

Fuse faulty

Perform Output Diagnostic Test Mode (DTM). Refer to Output Diagnostic Test Mode (DTM).

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 001.

Perform electrical test. Refer to Electrical Testing.

Check wiring connections and harness connectors using wiring diagram.

Shift lock solenoid -N110- faulty

Replace Shift lock solenoid -N110-. . Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Short circuit on shift mechanism printed circuit board

Replace shift mechanism printed circuit board. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

18) Shift locksolenoid -N110- is also described as selector lever lock solenoid.

Output at printer Possible cause Corrective action

18172/P1764

Monitoring transmission temperature

Clutch was overloaded, for example, as the result of repeated hill starts with a trailer

Allow ATF to cool.

18173/P1765

Sender 2 for hydraulic pressure -G194-

Adaptation limit reached

Ignition switched off with vehicle coasting

Erase DTC memory, switch ignition OFF and ON, read DTC memory again. If no other DTC has been entered, no malfunction is present.

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Notes on DTC 18172/P1764:

The DTC is displayed when clutch temperature is too high.
Engine torque is automatically cut back until the temperature has fallen into the permissible operating range again.

Output at printer Possible cause Corrective action

18181/P1773

Sender 1 for hydraulic pressure -G193-

Signal too high

Hydraulic unit contaminated or faulty

Replace hydraulic unit and change ATF. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

18183/P1775

Sender 1 for hydraulic pressure -G193-

Adaptation limit reached

Ignition switched off with vehicle coasting

Erase DTC memory, switch ignition OFF and ON, read DTC memory again. If no other DTC has been entered, no malfunction is present

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Note on DTC 18181/P1773:

If DTC 18201/P1793 is displayed in addition, the sensor wheel may be faulty and the transmission must be replaced.

Output at printer Possible cause Corrective action

18185/P1777

Sender 2 for hydraulic pressure -G194-

Implausible signal

Flow rate in the ATF lines inadequate because ATF hoses were installed twisted, ATF filter is clogged or ATF lines are crushed

Check routing of hoses and lines.

Replace ATF filter. Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Output at printer Possible cause Corrective action

18194/P1786

Signal for back-up light

Open circuit

Park/Neutral position (PNP) relay -J226- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 005.

Replace Park/Neutral position (PNP) relay -J226. See Fig. 11.

Open circuit in the electrical wiring

Check wiring connections and harness connectors using wiring diagram.

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Output at printer Possible cause Corrective action

18195/P1787

Signal for back-up light

Short circuit to ground

Park/Neutral position (PNP) relay -J226- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 005.

Replace Park/Neutral position (PNP) relay -J226. See Fig. 11.

Short circuit to ground in electrical wiring

Check wiring connections and harness connectors using wiring diagram.

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Output at printer Possible cause Corrective action

18196/P1788

Signal for back-up light

Short circuit to B+

Park/Neutral position (PNP) relay -J226- faulty

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 005.

Replace Park/Neutral position (PNP) relay -J226-. See Fig. 11.

Short circuit to B+ in electrical wiring

Check wiring connections and harness connectors using wiring diagram.

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Output at printer Possible cause Corrective action

18198/P1790

Signal for transmission range selector lever position display

Open circuit

Harness connector not connected at instrument cluster

Open circuit in electrical wiring

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 002.

Check wiring connections and harness connectors using wiring diagram.

Transmission Range selector lever display -Y6- in instrument cluster faulty

Replace instrument cluster19). Refer to

90 INSTRUMENTS

90 INSTRUMENTS for ELECTRICAL EQUIPMENT, CABRIOLET

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

19) The Transmission Range selector lever display -Y6- is integrated in the instrument cluster and can only be replaced as a unit with the instrument cluster.

Output at printer Possible cause Corrective action

18199/P1791

Signal for transmission range selector lever display

Short circuit to ground

Short circuit to ground in electrical wiring

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 002.

Check wiring connections and harness connectors using wiring diagram.

Transmission Range selector lever display -Y6- in instrument cluster faulty

Replace instrument cluster19). Refer to

90 INSTRUMENTS

90 INSTRUMENTS for ELECTRICAL EQUIPMENT, CABRIOLET

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

19) The Transmission Range selector lever display -Y6- is integrated in the instrument cluster and can only be replaced as a unit with the instrument cluster.

Note on DTC 18199/P1791:

No display in instrument cluster.

Output at printer Possible cause Corrective action

18200/P1792

Signal for transmission range selector lever display

Short circuit to B+

Short circuit to B+ in electrical wiring

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 002.

Check wiring connections and harness connectors using wiring diagram.

Transmission Range selector lever display -Y6- in instrument cluster faulty

Replace instrument cluster19). Refer to

90 INSTRUMENTS

90 INSTRUMENTS for ELECTRICAL EQUIPMENT, CABRIOLET

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

19) The Transmission Range selector lever display -Y6- is integrated in the instrument cluster and can only be replaced as a unit with the instrument cluster.

Output at printer Possible cause Corrective action

18201/P1793

Sender 2 for transmission output RPM -G196-

No signal

Hydraulic unit contaminated or faulty

Replace hydraulic unit and change ATF. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

18203/P1795

Signal for road speed

Open circuit

Open circuit in electrical wiring

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 001.

Check wiring connections and harness connectors using wiring diagram.

Instrument cluster faulty

Read DTC memory for instrument cluster.

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Note on DTC 18201/P1793:

If DTC 18181/P1773 is displayed in addition, the sensor wheel may be faulty and the transmission must be replaced.

Output at printer Possible cause Corrective action

18204/P1796

Signal for road speed

Short circuit to ground

Short circuit to ground in electrical wiring

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 001.

Check wiring connections and harness connectors using wiring diagram.

Instrument cluster faulty

Read DTC memory for instrument cluster.

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Output at printer Possible cause Corrective action

18205/P1797

Signal for road speed

Short circuit to B+

Short circuit to B+ in the electrical wiring

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 001.

Check wiring connections and harness connectors using wiring diagram.

Instrument cluster faulty

Read DTC memory for instrument cluster.

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Output at printer Possible cause Corrective action

18206/P1798

Sender 2 for transmission output RPM -G196-

Implausible signal

Incorrect transmission installed16)

Compare code letters on transmission with code letters in --> 00 - GENERAL, TECHNICAL DATA

Hydraulic unit contaminated or faulty

Replace hydraulic unit and change ATF. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

16) This DTC is displayed if an incorrect transmission has been installed, i.e. if a transmission for a 1.8 liter engine was mistakenly installed in a vehicle with a 3.0 liter engine.

Output at printer Possible cause Corrective action

18221/P1813

Pressure control valve 1 -N215-

Electrical malfunction in circuit

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Pressure control valve faulty

Replace hydraulic unit. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

18226/P1818

Pressure control valve 2 -N216-

Electrical malfunction in circuit

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Pressure control valve faulty

Replace hydraulic unit. Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

Output at printer Possible cause Corrective action

18249/P1841

Engine Control Module (ECM)/Transmission Control Module (TCM)

Versions do not match

Incorrect Transmission Control Module (TCM) installed or incorrectly coded20)

Check Engine Control Module (ECM) identification number.

Incorrect or faulty Engine Control Module (ECM)

Check Engine Control Module (ECM) identification number and read DTC memory.

20) Code 0000 is displayed in the Transmission Control Module (TCM) identification number.

Output at printer Possible cause Corrective action

18258/P1850

Data bus drive10)

Missing message from Engine Control Module (ECM)

Open circuit in CAN bus circuit

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 125.

Check CAN bus. Refer to Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking.

18259/P1851

Data bus drive10)

Missing message from ABS control module

Open circuit in CAN bus circuit

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 125.

Check CAN bus. Refer to Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking.

10) The data bus is also described as a CAN bus.

Notes on DTC 18258/P1850:

Condition for DTC recognition: The Transmission Control Module (TCM) is not receiving a message from the Engine Control Module (ECM). However, communication with the ABS control module and the instrument cluster is working.
The exchange of data and information between the Engine Control Module (ECM), ABS control module, Transmission Control Module (TCM) and instrument cluster is carried out over what is called a CAN bus. All information signals are transmitted over 2 leads.

Notes on DTC 18259/P1851:

Condition for DTC recognition: The Transmission Control Module (TCM) is not receiving a signal from the ABS control module. However, communication with the Engine Control Module (ECM) and the instrument cluster is working.
The exchange of data and information between the Engine Control Module (ECM), ABS control module, Transmission Control Module (TCM) and instrument cluster is carried out over what is called a CAN bus. All information signals are transmitted over 2 leads.

Output at printer Possible cause Corrective action

18262/P1854

Data bus drive10)

Faulty

Transmission Control Module (TCM) -J217- faulty

Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS

18263/P1855

Data bus drive10)

Monitoring software status

Open circuit in CAN bus circuit

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 125.

Check CAN bus. Refer to Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking.

Incorrect Transmission Control Module (TCM)

Check TCM identification number.

10) The data bus is also described as a CAN bus.

Note on DTC 18262/P1854:

The exchange of data and information between the Engine Control Module (ECM), ABS control module, Transmission Control Module (TCM) and instrument cluster is carried out over what is called a CAN bus. All information signals are transmitted over 2 leads.

Note on DTC 18263/P1855:

The exchange of data and information between the Engine Control Module (ECM), ABS control module, Transmission Control Module (TCM) and instrument cluster is carried out over what is called a CAN bus. All information signals are transmitted over 2 leads.

Output at printer Possible cause Corrective action

18265/P1857

Load signal

Error message from Engine Control Module (ECM)

Error in "Signal for Actual Engine Torque" diagnosed by Engine Control Module (ECM)

Read Engine Control Module (ECM) DTC memory and repair malfunction.

Incorrect or faulty Engine Control Module (ECM) or engine components faulty

Check Engine Control Module (ECM) identification number and read DTC memory

Notes on DTC 18265/P1857:

The signal for actual engine torque is transmitted from the Engine Control Module (ECM) over the CAN bus lead to the Transmission Control Module (TCM).
Conditions for DTC recognition: The malfunction in the component in question is diagnosed by the Engine Control Module (ECM). This diagnosis is transmitted over the CAN bus circuit to the Transmission Control Module (TCM).

Output at printer Possible cause Corrective action

18270/P1862

Data bus drive 10)

Missing message from instrument cluster

Open circuit in CAN bus circuit

Read Measured Value Block. Refer to Measured Value Block, reading; display group number 125.

Check CAN bus. Refer to Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking.

10) The data bus is also described as a CAN bus.

Notes on DTC 18270/P1862:

Condition for DTC recognition: The Transmission Control Module is not receiving a message from the Engine Control Module (ECM). However, communication with the ABS control module is working.
The exchange of data and information between the Engine Control Module (ECM), ABS control module, Transmission Control Module (TCM) and instrument cluster is carried out over what is called a CAN bus. All information signals are transmitted over 2 wires.

Output Diagnostic Test Mode (DTM)

NOTE:

Output DTM can only be performed if the selector lever is in "P" or "N," the engine is not running and the vehicle is stationary.

Output DTM is terminated if the engine is started, the vehicle starts to move or if a switch is not made within about 60 seconds to the next actuator. It is also terminated if the selector lever is moved to a position other than "P" or "N."

Triggering sequence

1. Signal for back-up light

2. Shift lock solenoid -N110-

Test sequence

Connect VAS 5051 Vehicle Diagnosis, Measurement and Information System. Refer to VAS 5051 Vehicle Diagnosis, Measurement and Information System, connecting and selecting functions and select vehicle system "02 Transmission Electronics". Ignition must be switched on.

Fig. 21: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Touch -1- diagnostic function "03 Diagnostic Test Mode".
Touch delta button.

Fig. 22: Display On VAS 5051 - (1st Control Element In Test & Evaporative Emission (EVAP) Canister Purge Regulator Valve-N80-)
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051:

A - First actuator being tested

1 - Back-up light signal

The Park/Neutral Position (PNP) Relay -J226- turns the back-up lights ON and OFF at intervals for about 1 minute unless a switch has been made to the next actuator by pressing the delta button.

If the back-up lights do not illuminate:

Check Park/Neutral Position (PNP) Relay -J226- and wiring using wiring diagram.

NOTE: Any electrical malfunctions are saved in the DTC memory. Refer to DTC chart starts on Diagnostic Trouble Code (DTC) table.

Touch delta button.

Fig. 23: Display On VAS 5051 - (2nd Control Element In Test & Secondary Air Injection (AIR) Solenoid Valve -N112-)
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051:

A - Second actuator being tested

2 - Shift lock solenoid -N110-

The shift lock solenoid -N110- is triggered at intervals for about 1 minute (clicks) unless actuator diagnosis is terminated by touching the delta button.

NOTE: In addition, the brake symbol on the shift mechanism cover must illuminate at intervals.

If the solenoid is not triggered:

Perform electrical test. Refer to Electrical Testing.

NOTE: Any electrical malfunctions are saved in the DTC memory. Refer to DTC chart starts on Diagnostic Trouble Code (DTC) table.

Touch the delta button.

Fig. 24: Display On VAS 5051 - (Output Diagnostic Test Mode Is Completed)
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051:

A - Actuator test is concluded

End function "03 Diagnostic Test Mode" by touching <-- button.

Diagnostic Trouble Code (DTC) memory, erasing

Requirements

DTC memory read. Refer to Diagnostic Trouble Code (DTC) memory, reading.
All DTCs corrected.

After DTC scan has been performed:

Fig. 25: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Touch -1- diagnostic function "05 Erase DTC memory".

Fig. 26: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051:

1 - No display (before erasing)

DTC memory erased

NOTE: If the message: "DTC memory has not been read yet" appears in display field -1-, the test procedure was not followed exactly. The DTC memory can only be erased if the DTC memory was read previously.

2 - you sure you want to do this? will be deleted!

Touch "OK" button in display -2-.
End function "05 Erase DTC memory" by touching <-- button.
After repair read DTC memory again.

NOTE: This erases DTCs which were stored during repair of the malfunction, for example by removing harness connectors.

After reading and deleting DTC memory, test drive vehicle and read DTC memory again.

DTC memory must display:

"No DTC recognized"

Transmission Control Module (TCM), coding

The Transmission Control Module (TCM) can be coded.

NOTE: Coding can only be performed with the ignition ON and with the selector lever in position "P" or "N." The accelerator pedal must be in the idle position. The vehicle must be stationary and the engine must not be started.

Test procedure

Connect VAS 5051 Vehicle Diagnosis, Measurement and Information System. Refer to VAS 5051 Vehicle Diagnosis, Measurement and Information System, connecting and selecting functions and select vehicle system "02 Transmission Electronics". Ignition must be switched on.

Fig. 27: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Touch -1- diagnostic function "07 Coding control module".

Fig. 28: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051:

1 - Enter code word

On keypad -2- enter control module code as given in code chart.
Confirm entry by pressing Q button.

Coding chart

Code number For vehicles

01001 USA and Canada

00000 Impermissible code
If this code is displayed, an incorrect transmission may have been installed or it has been incorrectly coded. Check control module identification number.

NOTE: After coding, the Transmission Control Module DTC memory is automatically deleted.

Fig. 29: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051:

1 - Coding is being carried out

Wait until next display appears on screen.

Fig. 30: Diagnostic System VAS 5051: Display - (Coding Of Vehicle System Performed & Control Module Identification With New Coding)
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051:

1 - Coding in the vehicle system completed

2 - Control module identification number with new coding (previous coding in parentheses)

Terminate function "07 Coding Control Module" by pressing <-- button.
Perform adaptation. Refer to Adaptation.

Measured Value Block, reading

CAUTION:
Please observe safety precautions. Refer to Safety Precautions

Test procedure

Connect VAS 5051 Vehicle Diagnosis, Measurement and Information System. Refer to VAS 5051 Vehicle Diagnosis, Measurement and Information System, connecting and selecting functions and select vehicle system "02 Transmission Electronics". Ignition must be switched on.

or, depending on the desired operation:

Start engine.

Fig. 31: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Touch -1- diagnostic function "08 Read Measured Value Block".

Fig. 32: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051:

1 - Enter display group Max. input value = 255

On key pad -2- enter desired 3-digit display group number. Refer to List of Selectable Display Groups and confirm entry by touching Q button.

Example:

Enter "001" for "Display group number 001" and confirm by touching Q button.

Fig. 33: Identifying VAS5051 Tester Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051 for display group 001 to 255:

1 - Display group X

2 - Display field 1

Display field 2

Display field 3

Display field 4

NOTE:

If a display field is not being used, there will be no display.

To switch to another display field, proceed as follows:

Display group VAS 5051

Higher Press s button

Lower Press t button

End function "08 Read Measured Value Block" by touching <-- button.

List of Selectable Display Groups

NOTE: The legend for the values in the individual display fields can be found under. Refer to "Test Chart for Measured Value Blocks" starting on Measured Value Block table.

Display on screen (example)

Display fields:
1 2 3 4
| | | | Display group number Display field Description

Read Measured Value Block -->
Bls.OFF Bts.OFF PN active 0 km/h 001 1
2
3
4 Brake light switch
Brake test switch
Shift lock solenoid -N110-
Speed

Read Measured Value Block -->
D 1 0 1 0 M switch 3 002 1
2
3
4 Selector lever position
Hall sensor status of the multi-function switch
Tiptronic recognition
Gear selected

Read Measured Value Block -->
D M switch not actuated Reverse switch 003 1
2
3
4 Selector lever position
Tiptronic recognition
Upshift switch for Tiptronic
Reverse switch for Tiptronic

Read Measured Value Block -->
D Forward 70 RPM 70 RPM 004 1
2
3
4 Selector lever position
Directional display
Output speed 1
Output speed 2

Display on screen (example)

Display fields:
1 2 3 4
| | | | Display group number Display field Description

Read Measured Value Block -->
D Terminal 50 OFF Relay OFF 13.6 V 005 1
2
3
4 Selector lever position
Park/Neutral position ON/OFF
Back-up light ON/OFF
Supply voltage terminal 15

Read Measured Value Block -->
P 0.470 A 0.265 A 0.000 A 006 1
2
3
4 Can be ignored

Read Measured Value Block -->
760 RPM 0 RPM 0 RPM AS 007 1
2
3
4 Engine RPM
Transmission input RPM
Transmission output RPM
Synchronous flag

Read Measured Value Block -->
62 % 310 RPM 2480 RPM 3240 RPM 008 1
2
3
4 Accelerator pedal value
Actual transmission output RPM
Specified transmission input RPM
Actual transmission input RPM

Display on screen (example)

Display fields:
1 2 3 4
| | | | Display group number Display field Description

Read Measured Value Block -->
100 % Kickdown 234 Nm 6500 RPM 009 1
2
3
4 Accelerator pedal value
Kickdown switch
Actual engine torque
Engine RPM

Read Measured Value Block -->
0.25 A ADP. O.K. 72°C 387 Nm 010 1
2
3
4 Adaptation of clutch curve driving forward
Adaptation of starting from stop characteristics driving forward
Transmission fluid temperature
Specified clutch value

Read Measured Value Block -->
0.25 A ADP. O.K. 72°C 387 Nm 011 1
2
3
4 Adaptation of clutch curve backing up
Adaptation of starting from stop characteristics backing up
Transmission fluid temperature
Specified clutch value

Read Measured Value Block -->
0.5 A 0.81 A 0.28 A 012 1
2
3
4 Can be ignored at this time

Display on screen (example)

Display fields:
1 2 3 4
| | | | Display group number Display field Description

Read Measured Value Block -->
8.1 bar 3.2 bar 72°C 89°C 013 1
2
3
4 Clutch pressure
MF pressure
Transmission fluid temperature
Coolant temperature

Read Measured Value Block -->
0.28 A 0.81 A 0.28 A 0.75 A 014 1
2
3
4 Can be ignored at this time

Read Measured Value Block -->
0.091 A 0.813 A 3 bar 3 bar 015 1
2
3
4 Can be ignored at this time

Display on screen (example)

Display fields:
1 2 3 4
| | | | Display group number Display field Description

Read Measured Value Block -->
12.2 2.6 83 2.77 016 1
2
3
4 Can be ignored at this time

Read Measured Value Block -->
0 % 800 RPM 20 Nm 12 Nm 017 1
2
3
4 Accelerator pedal value
Engine RPM
Engine torque
Specified clutch torque (clutch 1)

Read Measured Value Block -->
8.1 bar 129 Nm 3.2 bar 0.098 A 018 1
2
3
4 Can be ignored at this time

Read Measured Value Block -->
8.1 bar 0.12 A A/C compressor ON 019 1
2
3
4 Can be ignored at this time

Display on screen (example)

Display fields:
1 2 3 4
| | | | Display group number Display field Description

Read Measured Value Block -->
800 RPM 800 RPM 800 RPM 020 1
2
3
4 Engine RPM
Specified engine RPM at idle
Specified transmission RPM at idle

Read Measured Value Block -->
90 Nm 79 Nm 90 Nm 1399 Nm/sec 021 1
2
3
4 Can be ignored at this time

Read Measured Value Block -->
ABS act EDS not act ASR not act ESP act 022 1
2
3
4 ABS ON/OFF (Anti-lock brake system)
EDS ON/OFF (Electronic Differential Lock)
ASR ON/OFF (Automatic Traction Control)
ESP ON/OFF (Electronic Stability Program)

Read Measured Value Block -->
023
to
124 1
2
3
4 Can be ignored at this time

Display on screen (example)

Display fields:
1 2 3 4
| | | | Display group number Display field Description

Read Measured Value Block -->
Eng 1 ABS 1 Steering whl 0 Instr cluster 1 125 1
2
3
4 Engine Control Module (ECM) is participant on the CAN bus
ABS control module is participant on the CAN bus
Steering column electronics system is participant on the CAN bus
Instrument cluster is participant on the CAN bus

Measured Value Block table

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

001 1 Brake light switch F Brake Actuated Bls ON Brake light switch and brake test switch must always have the same status (ON or OFF)

Not actuated Bls OFF

Refer to DTC 17087/P0703

Continued 2 Brake test switch Brake Actuated Bts ON

↓ Not actuated Bts OFF

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

001 3 Shift lock solenoid -N110- In selector lever position P or N

Brake Actuated P N deactivated

Refer to DTC 18169/P1761

Not actuated P N active

4 Speed While driving 1) .km/h The speedometer display and values on the tester can show minor divergences

Refer to DTCs 18203/P1795, 18204/P1796 and 18205/P1797

1) While driving: a second technician is needed to read the specified values.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

002 1 Selector lever position
Multi-function TR switch -F125- Stationary Selector lever position

P P

Compare with Measured Value Block 002, display field 4

Between P and R ZP

Refer to DTC 17090/P0706

R R

Between R and N ZN

Continued N N

↓ D D

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

002 2 Hall sensor status of the Multi-function TR switch -F125- Stationary Selector lever position

P 0101

Refer to DTC 17090/P0706

ZP 0100

R 0110

ZN 0010

Continued N 0011

↓ D 1010

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

002 3 Tiptronic switch -F189- Selector lever in the Tiptronic gate M-switch

Refer to DTCs 18152/P1744, 18161/P1753 and 18164/P1756

Selector lever not in the Tiptronic gate Not actuated

4 Gear selected Stationary Selector lever position

Check conformity with selector lever display -Y6- in instrument cluster

P P

R R

N N

D D

While driving 2) D and shifted into the Tiptronic gate 1, 2, 3, 4, 5 or 6

Refer to DTCs 18198/P1790, 18199/P1791 and 18200/P1792

2) While driving: a second technician is needed to read the specified values.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

003 1 Selector lever position Refer to display group number 002, display field 1

2 Tiptronic switch -F189- (recognition) Refer to display group number 002, display field 3

3 Tiptronic switch -F189- (upshift) Selector lever in Tiptronic gate Not actuated

Refer to DTCs 18147/P1739 and 18162/P1754

Upshift 4) Upshift switch

4 Tiptronic switch -F189- (downshift) Selector lever in Tiptronic gate Not actuated

Refer to DTCs 18141/P1733 and 18163/P1755

Downshift 5) Downshift switch

4) You must activate the upshift switch (+) by tapping the selector lever forward. On vehicles with multi-function steering wheel the upshift switch has to be activated by additionally tapping the upper left or right button (+) on the steering wheel.

5) You must activate the downshift switch (-) by tapping the selector lever to the rear. On vehicles with multi-function steering wheel the downshift switch has to be activated by additionally tapping the lower left or right button (-) on the steering wheel.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

004 1 Selector lever position Refer to display group number 002, display field 1

2 Directional display Stationary Not recognized

While driving 2) Driving forward Forward

Compare with Measured Value Block 004, display field 3 and 4

Continued
↓ Driving in reverse Backward

2) While driving: a second technician is needed to read the specified values.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

004 3 Output RPM from Sender for transmission output RPM -G195- While driving2) 0....
2000 rpm Displays in display fields 3 and 4 must be the same.

Refer to DTCs 17105/P0721 and 17106/P0722

4 Output RPM from Sender for transmission output RPM -G196- While driving2) 0....
2000 rpm Displays in display fields 3 and 4 must be the same.

Refer to DTCs 18201/P1793 and 18206/P1798

2) While driving: a second technician is needed to read the specified values.

Notes on display group number 004:

If "0 RPM" is shown in display field 3 or 4, the corresponding sender is faulty and the Transmission Control Module (TCM) must be replaced.
If "0 RPM" is shown in display field 3 and 4, there is a mechanical defect in the transmission, and the transmission must be replaced.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

005 1 Selector lever position Refer to display group number 002, display field 1

2 Park/Neutral position switch Gear selected

Not active P, N Terminal 50 ON

Refer to DTCs 18132/P1724 and 18137/P1729

Active R, D Terminal 50 OFF

3 Back-up light Gear selected

Continued Off P, N, D Relay OFF

Refer to DTCs 18194/P1786, 18195/P1787 and 18196/P1788

↓ On R Relay ON

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

005 4 Supply voltage
Terminal 15 Stationary min. 10.0 V

Check fuses and wiring using wiring diagram

max. 15.0 V

Perform electrical test. Refer to starting on Electrical Testing

006 Can be ignored

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

007 1 Engine RPM With the engine running 0...
7000 rpm

Refer to DTCs 17110/P0726 and 17111/P0727

Continued
↓ 2 Input RPM from Sensor for transmission RPM -G182- While driving 2) 0...
7000 rpm

Refer to DTCs 17100/P0716 and 17101/P0717

2) While driving: a second technician is needed to read the specified values.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

007 3 Output RPM from Sender for transmission output RPM -G195- and Sender 2 for transmission output RPM -G196- While driving 2) 0...
2200 rpm

For -G195-. Refer to DTCs 17105/P0721 and 17106/P0722

For -G196-. Refer to DTCs 18201/P1793 and 18206/P1798

4 Synchronous flag While driving 2) Synchronous operation SY Engine and transmission input RPM are the same

Asynchronous operation AS Engine and transmission input RPM are different, for example, when starting from stop and accelerating.

2) While driving a second technician is needed to read the specified values.

Note on display group number 007, display field 4:

If "AS" is always displayed, the clutch is slipping. The ATF must be changed. If "AS" is still displayed the transmission must be replaced.

Display group number Display field Description Test conditions Specified value displayed Steps if deviations from specified value

008 1 Accelerator pedal value Stationary Accelerator pedal not depressed 0...1% When accelerating from idle to Wide Open Throttle the % value increases steadily

Accelerator pedal fully depressed 99...100%

Refer to DTC 18269/P1861

2 Transmission output RPM Refer to display group number 007, display field 3

3 Specified transmission input RPM While driving 2) 0...
7000 rpm Specified and actual transmission input RPM should be approximately the same at a constant speed

4 Actual transmission input RPM While driving 2) 0...
7000 rpm

Refer to DTCs 17100/P0716, 17101/P0717 and 17114/P0730

2) While driving a second technician is needed to read the specified values.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

009 1 Accelerator pedal value Refer to display group number 008, display field 1

2 Kickdown switch -F8- Stationary Not actuated Not actuated

Kickdown actuated6) Kickdown

Refer to DTC 18112/P1704

3 Engine torque While driving 2) .Nm The signal for actual engine torque is transmitted by the Engine Control Module (ECM) over the CAN bus line to the Transmission Control Module (TCM)

Refer to DTC 18265/P1857

4 Engine RPM Refer to display group number 007, display field 1

2) While driving a second technician is needed to read the specified values.

6) In order to generate the Kickdown signal the accelerator pedal must be depressed to the stop.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

010 1 Adaptation of clutch curve forward Can be ignored

2 Adaptation of start-from-stop behavior forward Perform adaptation During adaptation ADP. is running 7) The test conditions must be observed. Refer to Adaptation

Refer to Adaptation Following successful adaptation ADP. O.K. 7)

3 Transmission fluid temperature max. 160°C

Refer to DTCs 17094/P0710, 17095/P0711, 17096/P0712 and 17097/P0713

min. -60°C

4 Specified clutch torque Can be ignored

7) "ADP" is the abbreviation for adaptation. Adaptation means adapting to an internal specified value.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

011 1 Adaptation of clutch curve in reverse Can be ignored

2 Adaptation of start-from-stop characteristics in reverse Perform adaptation During adaptation ADP. is running 7) The test conditions must be observed. Refer to Adaptation

Refer to Adaptation Following successful adaptation ADP. O.K. 7)

3 Transmission fluid temperature Refer to display group number 010, display field 3

4 Specified clutch torque Can be ignored

7) "ADP" is the abbreviation for adaptation. Adaptation means adapting to an internal specified value.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

012
to
016 In each instance
1 to 4 Can be ignored

017 1 Accelerator pedal value Refer to display group number 008, display field 1

2 Engine RPM Refer to display group number 007, display field 1

3 Engine torque Refer to display group number 009, display field 3

4 Specified clutch torque (clutch 1) While driving 2) ... Nm Is calculated by the control module

2) While driving a second technician is needed to read the specified values.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

018
to
019 In each instance
1 to 4 Can be ignored

20 2 Engine RPM Refer to display group number 007, display field 1

2 Specified engine RPM at idle With the engine running Up to about
1200 RPM The value in display field 2 must be greater than or the same as the value in display field 3

3 Specified transmission RPM at idle With the engine running Up to about
1200 RPM If the value in display field 3 is always greater than in display field 2:

Read Transmission (TCM) and Engine Control Module (ECM) DTC memory and repair malfunction

021 Can be ignored

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

022 1 ABS system
(Anti-lock Brake System) While driving 2) ABS activated by panic stop ABS active Is activated when required by the ABS control module

No panic stop ABS not active

Read ABS control module DTC memory and correct malfunction

2 EDL system
(Electronic Differential Lock) While driving 2) One wheel spins when starting from stop and is braked. EDL active Is activated when required by the ABS control module

Continued
↓ Not activated EDL not active

Read ABS control module DTC memory and correct malfunction

2) While driving a second technician is needed to read the specified values.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

022 3 ASR system (Automatic Traction Control) While driving 2) Wheel spin is braked ASR active Is activated when required by Engine Control Module (ECM) and ABS control module

Not activated ASR not active

Read DTC memory of corresponding control module and repair malfunction

4 ESP system
(Electronic Stability Program) While driving 2) When the vehicle drifts out in a turn ESP active Is activated when required by Engine Control Module (ECM) and ABS control module

ESP not active

Read DTC memory of corresponding control module and repair malfunction

023
to
124 Can be ignored

2) While driving a second technician is needed to read the specified values.

Display group number Display field Description Test conditions Specified value displayed Steps in the events of deviations from specified value

125 1 Participant on CAN bus drive: Engine Control Module (ECM) Stationary Participates Engine 1

Check CAN bus. Refer to Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking

Does not participate Engine 0

2 Participant on CAN bus drive: ABS control module Stationary Participates ABS 1

Check CAN bus. Refer to Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking

Does not participate ABS 0

3 Participant on CAN bus drive: Control module for steering column electronics Stationary Participates Steering wheel 1

Check CAN bus. Refer to Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking

Does not participate Steering wheel 0

4 Participant on CAN bus drive: Instrument cluster Stationary Participates Instrument cluster 1

Check CAN bus. Refer to Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking

Does not participate Instrument cluster 0

Notes on display group number 125

If "1" is displayed, communication from the corresponding control module to the Transmission Control Module (TCM) is O.K.
If "0" is displayed and no trouble code has been set in the DTC memory, the corresponding control module does not have CAN capability (or is faulty).

Adaptation

Adaptation must be performed after the following operations:

After replacing the Transmission Control Module (TCM) -J217-
After coding the Transmission Control Module -J217-
After reprogramming (flash) the Transmission Control Module -J217-

Requirement:

No trouble codes in the DTC memory; read DTC memory. Refer to Diagnostic Trouble Code (DTC) memory, reading.

Adaptation for driving forward

Read Measured Value Block display group 010, engine at idle. Refer to Measured Value Block, reading.

Fig. 34: Diagnostic System VAS 5051: Display - Display Fields
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Check whether transmission fluid temperature in display field 3 is higher than 60°C. A short test drive may be necessary to reach this temperature.
Drive forward briefly and then brake to a stop again.
Check display in display field 2.

Display must from change "ADP. is running" to "ADP. O.K."

If the display does not come up as described:

Repeat start from stop and braking procedure until "ADP. O.K." is displayed.

If the specified value "ADP. O.K." is not obtained:

Read DTC memory. Refer to Diagnostic Trouble Code (DTC) memory, reading and correct malfunction. Adaptation must be performed again afterward.
Perform adaptation for driving in reverse.

Adaptation for driving in reverse:

Read Measured Value Block display group 011, engine at idle. Refer to Measured Value Block, reading.

Fig. 35: Diagnostic System VAS 5051: Display - Display Fields
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Drive backward (in reverse) briefly and then brake to a stop again.
Check display in display field 2.

Display must from change "ADP. is running" to "ADP. O.K."

If the display does not come up as described:

Repeat start from stop and braking procedure until "ADP. O.K." is displayed.

If the specified value "ADP. O.K." is not obtained:

Read DTC memory. Refer to Diagnostic Trouble Code (DTC) memory, reading and correct malfunction. Adaptation must be performed again afterward.

Electrical Testing

Special tools and equipment

Fig. 36: Special Tool - Multimeter V.A.G 1526 A
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Multimeter V.A.G. 1526 A

Fig. 37: VAG 1598/21 Adapter From VAG 1598 A Test Box
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Test box V.A.G. 1598/21

NOTE:

For testing, use Multimeter V.A.G. 1526 A or VAS 5051 Vehicle Diagnosis, Measurement and Information System. The charts contain the specific measurement methods which have to be set up before the corresponding measurements.

The specified values given are valid for an ambient temperature of 0°C to 40°C.

If the values measured deviate from the specified values, determine the malfunction using the wiring diagram.

If the values measured show only a minor deviation from the specified values, clean cavities and plugs on the test equipment and test leads, repeat test. Before replacing the components in question, check their wires and connectors. In particular with specified values below 10 ohms repeat the resistance measurement on the component.

The terminal numbers of the connector and the cavity numbers on the V.A.G. 1598/21 test box match. Refer to Multiple harness connector (25-pin connector) for Transmission control module -J217- (cavities on V.A.G 1598/21).

CAUTION:
In order to avoid destroying electronic components, the specific measurement range on the measuring equipment must be switched on before connecting the test leads.

Test requirements:

Vehicle power supply O.K.
Power supply and fuses for particular system OK

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations

Ground connections for transmission O.K.

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations

Check ground connections for corrosion and faulty connection, repair as needed.

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations

Check battery ground strap and ground strap between battery and transmission.

Test procedure

Switch ignition OFF.

Fig. 38: Identifying Quick-Release Fasteners And Noise Insulation
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Undo quick release fasteners -2- and -3- and remove sound deadening at rear. Sound deadening at front remains installed.
Loosen cover for vehicle floor and heat shield above exhaust system in rear area of transmission. Push heat shield a little to one side.

Fig. 39: Removing Vehicle Floor Plates At Inside Left/Right
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Where used, remove left inner -2- and right inner -1- vehicle floor covers.

Fig. 40: Disengaging Harness Connector From Transmission
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unlock connector -A- in direction of (arrow) and disconnect it from transmission.
Uncover wiring harness.
Connect test box V.A.G 1598/21 to wiring harness to control module.
Perform test as described in specific test chart.

Multiple harness connector (25-pin connector) for Transmission control module -J217- (cavities on V.A.G 1598/21)

1- Not used 15- Engine RPM signal

2- K-wire for diagnosis 16- Not used

3- Park/Neutral position (PNP) relay -J226- 17- Not used

4- Park/Neutral position (PNP) relay -J226- 18- Not used

5- Vehicle speed signal 19- Not used

6- Not used 20- Not used

7- Shift lock solenoid -N110- 21- Not used

8- Supply voltage (terminal 15) 22- Not used

9- Supply voltage (terminal 87) 23- Not used

10- CAN bus (High) 24- Not used

11- CAN bus (Low) 25- Ground for power consumers (terminal 31)

12- Tiptronic switch -F189- (upshift)

13- Tiptronic switch -F189- (recognition)

14- Tiptronic switch -F189- (downshift)

Component tested Corresponding test step

Supply voltage for Transmission Control Module -J217-

Perform test steps 1, 2 and 3

Shift lock solenoid -N110-

Perform test step 4

Wire connection to the Engine Control Module (ECM) (engine RPM signal)

Perform test step 5

Test table

Switch on measurement range: Voltage measurement

Test step V.A.G 1598/21 What is being tested

Test conditions

Additional procedures

Specified value Steps if deviations from specified value

1 25 + Plus at the
Battery Ground connection for the Transmission Control Module (TCM) -J217-

Ignition switched off

Approximately battery voltage

Check wiring routing using wiring diagram.

2 8 + 25 Supply voltage for Transmission Control Module (TCM) -J217- (terminal 15)

Ignition switched on

Approximately battery voltage

Check fuses.

Check wiring routing using wiring diagram.

Ignition switched off

About 0 V

3 9 + 25 Supply voltage for Transmission Control Module (TCM) -J217- (terminal 87)

Ignition switched on

Approximately battery voltage

Check fuses.

Check wiring routing using wiring diagram8)

Ignition switched off

About 0 V

8) Power supply through terminal 87 is managed in different ways: On vehicles with the 2.4 liter engine through the ignition time delay relay for ignition cut off -J64-; On all other gasoline engines through the Motronic ECM power supply relay -J271-; On vehicles with diesel engines through the Diesel Direct Fuel Injection (DFI) system relay -J322-.

Switch on measurement range: Voltage measurement

Test step V.A.G 1598/21 What is being tested

Test conditions

Additional procedures

Specified value Steps if deviations from specified value

4 7 + 25 Shift lock solenoid -N110-

Ignition switched on

Selector lever in position P or N

Brake pedal depressed

Approximately battery voltage

Check wiring connections and fuses using wiring diagram.

Check shift lock solenoid -N110-. Refer to Shift Lock Solenoid -N110-, checking

Brake pedal not depressed

Approx. 0 V

Check brake light switch.

Switch on measurement range: Resistance measurement

Test step V.A.G 1598/21 cavities What is being tested

Test conditions

Additional procedures

Specified value Steps in the events of deviations from specified value

5 15 + xx 7) Wire connection to the Engine Control Module (ECM) (engine RPM signal)

Ignition switched off

Disconnect Engine Control Module (ECM)

Less than 1.5 ohms

Check wiring routing using wiring diagram.

7) Corresponding terminal pinout on the Engine Control Module (ECM):

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations

Shift Lock Solenoid -N110-, checking

NOTE: This test must be performed if the specified values in the voltage measurement are not reached.

Additional special tools and equipment

Fig. 41: Identifying Adapter Set V.A.G 1594 A
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Connector test kit V.A.G 1594 A

Test sequence

Remove cover for shift control mechanism

Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Fig. 42: Disconnecting Harness Connector At Shift Lock Solenoid -N110 & Attaching Multimeter For Resistance Measurement Between Contacts
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect harness connector at Shift lock solenoid -N110 -A-.
Attach multimeter for resistance measurement between contacts -B-.

Specified value: 22.3 ± 1 ohms

If the specified value is not reached:

Replace the shift lock solenoid.

Refer to 37 - AUTOMATIC TRANSMISSION - CONTROLS, HOUSING

Data Exchange between Transmission Control Module (TCM) and CAN-Capable Control Modules, checking

NOTE:

The exchange of data between the individual control modules is carried out by means of a bus system.

"CAN Bus" describes a system to carry and distribute data.

The wiring connections between the control modules, over which the data are transmitted, are described as data lines.

Data are transmitted serially, that means in sequence, over these data lines to the attached control modules (e.g. engine RPM, accelerator pedal position).

Checking bus system

In the DTC table you were instructed to inspect the exchange of data between the Transmission Control Module (TCM) and CAN-capable control modules.

Connect VAS 5051 Vehicle Diagnosis, Measurement and Information System. Refer to VAS 5051 Vehicle Diagnosis, Measurement and Information System, connecting and selecting functions and select vehicle system "02 Transmission Electronics". Ignition must be switched on.

Fig. 43: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Touch -1- diagnostic function "08 Read Measured Value Block".

Fig. 44: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

1 - Enter display group Max. input value = 255

NOTE: Measured Value Block 125 shows the participants on the data BUS drive.

On keypad enter -2- "125" for "Display group number 125" and confirm by touching Q button.

Fig. 45: Diagnostic System VAS 5051: Display - Display Fields
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Check displays in display fields -1- to -4-.

The display shows the control modules which are CAN- capable with the Engine Control Module (ECM):

Display 1: CAN-capable control module is a participant on data bus
Display 0 or no display: CAN-capable control module is not a participant on data bus or not CAN-capable

End function "08 Read Measured Value Block" by touching <-- button.
Touch "06 End output".

Fig. 46: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

In selection -1- touch diagnostic function "00 Read DTC memory complete system".

DTC memory of all systems in the vehicle capable of On Board Diagnostic (OBD) is read.

If a control module responds and identifies itself, the number of stored DTCs or "No DTC" is displayed on the screen.

Any stored DTCs in a system are shown in sequence. Then the VAS 5051 sends the next address word.

If a DTC referring to "Data bus drive..." or "...CAN bus" is displayed:

Check whether correct Engine Control Module (ECM) and other CAN-capable control modules have been installed (Part No. and Code).

If the correct control modules have been installed:

Check whether multiple connectors for control module are fully seated.

If the multiple connectors are fully seated:

Check CAN bus system.

Checking a "Dual Wire Bus System"

Communication takes place between two or more control modules over a "Dual Wire Bus System".

Analyze DTCs stored in control modules.

NOTE: The analysis helps to pinpoint the wiring malfunction.

Example 1:

Based on the DTCs entered in the DTC memories, it can be seen that control module 1 is not connected to control modules 2 and 3.

Control module DTCs entered in the DTC memory:

1

Message missing from control module 2

Message missing from control module 3

2

Message missing from control module 1

3

Message missing from control module 1

Switch ignition OFF.
Disconnect control modules connected by bus circuit and check whether a bus wiring connection has an open circuit.

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations

If no malfunction is found in bus wiring, replace control module 1.

Example 2:

Based on the DTCs entered in the DTC memories, it can be seen that control module 2 is not connected to control modules 1 and 3.

Control module DTCs entered in the DTC memory:

1

Message missing from control module 2

2

Message missing from control module 1

Message missing from control module 3

3

Message missing from control module 2

Switch ignition OFF.
Disconnect control modules connected by the bus circuit and check whether a bus wiring connection has an open circuit.

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations

If no malfunction is found in bus wiring, replace control module 2.

Example 3:

Based on the DTCs entered in the DTC memory, it can be seen that no transmission or reception activity is possible in any of the control modules.

Control module DTCs entered in the DTC memory:

1

Data bus drive faulty

2

Data bus drive faulty

3

Data bus drive faulty

Switch ignition OFF.

Fig. 47: Checking Bus Wires For Short Circuit To B+ Or Ground
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect control modules connected by bus circuit wiring and inspect bus wiring for a short circuit to B+ and to ground.

Refer to Electrical Wiring Diagrams, Troubleshooting and Component Locations

If you are unable to determine any cause in the bus wiring for the DTC "Data bus drive faulty", check to see whether one of the control modules is responsible for this DTC.

Test requirement:

VAS 5051 Vehicle Diagnosis, Measurement and Information System connected and Vehicle OBD selected. Refer to VAS 5051 Vehicle Diagnosis, Measurement and Information System, connecting and selecting functions.

All the control modules which use the CAN bus for communication are disconnected. The ignition is switched OFF.

Connect one control module.

Fig. 48: Diagnostic System VAS 5051: Display
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051

Switch ignition ON.
Touch appropriate vehicle system in Display -1-.
Read DTC memory of control module just connected and delete it.
Touch delta button.

In display touch -1- diagnostic function "06 End output".
Switch ignition OFF and ON again.
Leave ignition switched ON for 10 seconds. Then, using scan tool, read DTC memory of control module just connected.
If DTC "Data bus drive faulty" is read, control module just connected must be replaced.

If DTC "Data bus drive not faulty" is read, connect next control module and repeat procedure.

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test: test

DTC memory
Permanent memory	Yes
Data output
Rapid data transmission Blink code output	Yes No
Output Diagnostic Test Mode (DTM)	Refer to Output Diagnostic Test Mode (DTM)
Basic setting	No
Adaptation	Refer to Adaptation
Coding control module	Refer to Transmission Control Module (TCM), coding
Reading Measured Value Block	Refer to Measured Value Block, reading
Electrical/Electronic components and component locations	Refer to Electrical/electronic components and locations

Identification number of Transmission Control Module (example)
02 - Transmission electronics	Vehicle system
01J927156.	Part number; application
V301) 01J2) 3.0l 5V3) USA4) 20405)	1) 2) 3) 4) 5)	Internal designation for Continuously Variable Transmission Multitronic 01J Engine version: 3.0 liter 5V Market, USA and Canada Control module data status (software status)
Code 1001	Control module coding check. Refer to Transmission Control Module (TCM), coding
Plant number 12345	Plant identification of the VAS 5051 with which the last coding was performed.

		Refer to
02 -	Diagnostic Trouble Code (DTC) memory	Diagnostic Trouble Code (DTC) memory, reading
03 -	Output Diagnostic Test Mode (DTM)	Output Diagnostic Test Mode (DTM)
05 -	Erasing DTC memory	Diagnostic Trouble Code (DTC) memory, erasing
06 -	Ending output
07 -	Coding control module	Transmission Control Module (TCM), coding
08 -	Reading Measure Value Block	Measured Value Block, reading

Output at printer	Possible cause	Corrective action
16889/P0505
Idle speed control Malfunction	Specified engine idle RPM is lower than the specified idle RPM required by the transmission, which means that the required increase in idle RPM was not carried out.	Read Measured Value Block. Refer to Measured Value Block, reading; display group number 020. Read DTC memory for Engine Control Module (ECM) and repair malfunction.
16987/P0603
Control module faulty	Control module -J217- faulty	Replace Transmission Control Module (TCM). Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS Check all applicable Technical Bulletins.

Triggering sequence
1.	Signal for back-up light
2.	Shift lock solenoid -N110-

Code number	For vehicles
01001	USA and Canada
00000	Impermissible code If this code is displayed, an incorrect transmission may have been installed or it has been incorrectly coded. Check control module identification number.

Display group	VAS 5051
Higher	Press s button
Lower	Press t button

Display on screen (example)
Display fields: 1 2 3 4 \| \| \| \|	Display group number	Display field	Description
Read Measured Value Block --> Bls.OFF Bts.OFF PN active 0 km/h	001	1 2 3 4	Brake light switch Brake test switch Shift lock solenoid -N110- Speed
Read Measured Value Block --> D 1 0 1 0 M switch 3	002	1 2 3 4	Selector lever position Hall sensor status of the multi-function switch Tiptronic recognition Gear selected
Read Measured Value Block --> D M switch not actuated Reverse switch	003	1 2 3 4	Selector lever position Tiptronic recognition Upshift switch for Tiptronic Reverse switch for Tiptronic
Read Measured Value Block --> D Forward 70 RPM 70 RPM	004	1 2 3 4	Selector lever position Directional display Output speed 1 Output speed 2

1-	Not used	15-	Engine RPM signal
2-	K-wire for diagnosis	16-	Not used
3-	Park/Neutral position (PNP) relay -J226-	17-	Not used
4-	Park/Neutral position (PNP) relay -J226-	18-	Not used
5-	Vehicle speed signal	19-	Not used
6-	Not used	20-	Not used
7-	Shift lock solenoid -N110-	21-	Not used
8-	Supply voltage (terminal 15)	22-	Not used
9-	Supply voltage (terminal 87)	23-	Not used
10-	CAN bus (High)	24-	Not used
11-	CAN bus (Low)	25-	Ground for power consumers (terminal 31)
12-	Tiptronic switch -F189- (upshift)
13-	Tiptronic switch -F189- (recognition)
14-	Tiptronic switch -F189- (downshift)

Component tested	Corresponding test step
Supply voltage for Transmission Control Module -J217-	Perform test steps 1, 2 and 3
Shift lock solenoid -N110-	Perform test step 4
Wire connection to the Engine Control Module (ECM) (engine RPM signal)	Perform test step 5

Switch on measurement range: Voltage measurement
Test step	V.A.G 1598/21	What is being tested	Test conditions Additional procedures	Specified value	Steps if deviations from specified value
1	25 + Plus at the Battery	Ground connection for the Transmission Control Module (TCM) -J217-	Ignition switched off	Approximately battery voltage	Check wiring routing using wiring diagram.
2	8 + 25	Supply voltage for Transmission Control Module (TCM) -J217- (terminal 15)	Ignition switched on	Approximately battery voltage	Check fuses. Check wiring routing using wiring diagram.
			Ignition switched off	About 0 V
3	9 + 25	Supply voltage for Transmission Control Module (TCM) -J217- (terminal 87)	Ignition switched on	Approximately battery voltage	Check fuses. Check wiring routing using wiring diagram8)
			Ignition switched off	About 0 V

Control module	DTCs entered in the DTC memory:
1	Message missing from control module 2 Message missing from control module 3
2	Message missing from control module 1
3	Message missing from control module 1

Control module	DTCs entered in the DTC memory:
1	Message missing from control module 2
2	Message missing from control module 1 Message missing from control module 3
3	Message missing from control module 2

Control module	DTCs entered in the DTC memory:
1	Data bus drive faulty
2	Data bus drive faulty
3	Data bus drive faulty