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Control Module: Service and Repair



Transmission Control Module (TCM), Replacing

Work sequence
Check control module identification of the previous Transmission Control Module (TCM) as follows:
- Connect diagnostic tester.
- 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:







- Open locking mechanism of connector in -direction of arrow- and disconnect 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 the new control module identification matches the old control module identification.

If Transmission Control Module (TCM) -J217- was replaced:
- Code the Transmission Control Module (TCM).
- Generate readiness code.