Audi A4 Owners & Service Manuals

Audi A4: Transmission Control Module -J217-, Removing and Installing

Removing

  WARNING

The system is under pressure.

  • The electronic ATF pump must be deactivated every time before opening the transmission, and the hydraulic pressure reservoir is drained.
  • Refer to → Chapter "ATF Pump, Deactivating and Draining the Hydraulic Pump Reservoir".

  Note

  • General repair instructions. Refer to → Chapter "Repair Information".
  • Guidelines for clean working conditions when working on the dual-clutch transmission. Refer to → Chapter "Rules for Cleanliness When Working on DSG Transmission".
  • Disable the ATF pump and drain the pressure reservoir. Refer to → Chapter "ATF Pump, Deactivating and Draining the Hydraulic Pump Reservoir".

  Caution

Risk of destroying Transmission Control Module -J217- with static discharge.

  • Always "discharge" the static electricity before working with connectors. Do this by touching a grounded object, for example vehicle ground, the heater or the hoist.
  • Do not touch connector terminals in the transmission connector with hands.

- Remove the transmission fluid pan. Refer to → Chapter "Transmission Fluid Pan, Removing and Installing".

- Release the connector for the Hydraulic Pressure Sensor 1 - G545--1- and Hydraulic Pressure Sensor 2 -G546--2- at the retaining tabs -arrows- and disconnect from the Transmission Control Module -J217-.

- Secure the connector as shown in the designated transportation safeguard.

- Remove the Mechatronic. Refer to → Chapter "Mechatronic, Removing and Installing".

  Caution

Contamination damages the Mechatronic.

A clean work environment is required for working on the Mechatronic.

A34-11455

- Seal the ATF channel with the Cover -T40322-.

A34-11504

- Secure the Mechatronic on the Retaining Bracket.

A34-11503

- Release the cover -1- for the sensor from the retaining tabs -arrows- and remove.

A34-11452

- Remove the bolts in the sequence -3 to 1-.

A34-11454

- Pivot the Transmission Fluid Auxiliary Hydraulic Pump Rotor Position Sensor -G847--1- to the side to the engagement position.

A34-11457

- Engage the connector for the Gear Position Distance Sensor 1 -G487- and Gear Position Distance Sensor 2 -G488- in the transportation safeguard -arrow- and loosen the bolts in the sequence -4 to 1-.

- Remove the Transmission Control Module -J217- from the valve body.

A34-11456

Installing

Install in the reverse order of removal while noting the following:

  Note

Before installing clean the control module threaded holes of oil and debris.

- Push the control module evenly on the valve body and tighten the bolts in the sequence -1 to 4- to the tightening specification.

  Note

  • A protector -1- is located on the ATF pump.

A34-11456

  • Pay attention to the correct assembly.

A34-11529

- Push in the sensor arm -1- on the ATF pump -2- by hand and tighten the bolts -arrows- hand-tight.

  Caution

There is a risk of damaging the ATF pump.

The sensor arm -1- must make contact when attaching the ATF pump -2-.

A34-11461

- Tighten the bolts to the specification in the following sequence: -1 through 3-.

A34-11454

- Install the cover -1- for the sensor arm -arrows-.

A34-11452

- Install the Hydraulic Pressure Sensor 1 -G545- and Hydraulic Pressure Sensor 2 -G546-.

  Note

  • The connectors must not be interchanged.
  • Make sure that the connection is correct as shown -1 and 2-.
  • Refer to → Chapter "Hydraulic Pressure Sensor 1 -G545- and Hydraulic Pressure Sensor 2 -G546-, Removing and Installing".

- Install the Mechatronic. Refer to → Chapter "Mechatronic, Removing and Installing".

A34-11458

Tightening Specifications:

Refer to → Chapter "Overview - Mechatronic"

Refer to → Chapter "Overview - Valve Body"

Refer to → Chapter "Overview - Transmission Control Module -J217-"

  • After working on the DSG Transmission Mechatronic -J743- the function "control module, replacing" must be performed. Refer to Vehicle Diagnostic Tester.

Procedure

- Connect the Vehicle Diagnostic Tester.

- Select Diagnostic mode and start the diagnostic.

- Select the Test plan tab.

- Select individual test button and select the following tree structure one after the other:

  • Drivetrain
  • 7-Speed Dual Clutch Transmission 0CK/0CL
  • 01 - OBD-capable systems
  • 02 - Transmission electronics 0CK
  • 02 - Transmission electronics, functions
  • 02 - Control module, replacing

Valve Body, Removing and Installing

  • The same as: Transmission Control Module -J217- removing and installing. Refer to → Chapter "Transmission Control Module -J217-, Removing and Installing".

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