Transmission Control Module (TCM), replacing
NOTE:
Transmission Control Module (TCM) -J217- is a component of the Mechatronic unit in the transmission and cannot be replaced separately.
Work procedure
First, 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.:
09G927750 L 0301
- End diagnosis and switch ignition off.
- Replace Mechatronic unit in transmission:
Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS
- Check whether the new control module identification matches the old control module identification.
- Code the Transmission Control Module (TCM):
Refer to VAS5051 Vehicle Diagnostic, Testing and Information System; Guided Fault Finding; Vehicle System Test or VAS5052; On Board Diagnostic (OBD)
- Generate readiness code. Refer to Readiness code, generating .