Transmission Control Module (TCM), replacing

Work procedure 

Check control module identification of the previous Transmission Control Module (TCM) as follows:

• Connect diagnostic tester. Refer to Diagnostic tester, connecting  .
• Switch ignition on.
• Under address word 33, select "Diagnostic mode 9: Vehicle information".
• Select the vehicle information "Test-ID 04: Calibration Identification".

Control module identification will be displayed, e.g.:

01M927733MH 0001

• End diagnosis and switch ignition off.
• Remove wiper arms and wind cowl:

Refer to 94 LIGHTS, SWITCHES - EXTERIOR , Windshield washing system, removing and installing

• Open locking mechanism of connector in -direction of arrow- and disconnect connector from control module.

• Remove mounting bolts (arrows).
• Remove old control module.
• Insert new control module and bolt firmly.

• Connect connector to control module and lock in -direction of arrow-.

Rest of installation is performed in reverse order of removal.

• Check whether new control module identification matches the old control module identification.

If Transmission Control Module (TCM) -J217- was replaced:

• Code the Transmission Control Module (TCM):

Refer to VAS5051 Vehicle Diagnostic, Testing and Information System; Guided Fault Finding; Vehicle System Test or VAS5052; Vehicle Self-Diagnosis

• Generate readiness code.