Control Module: Service and Repair
Transmission Control Module, Replacing
• The Transmission Control Module (TCM) (J217) is a component of the Mechatronic unit in the transmission and cannot be serviced individually.
• To achieve optimal anti-theft protection for the vehicle, an anti-theft immobilizer was installed. The anti-theft immobilizer is a system for enabling/locking the Transmission Control Module (TCM) (J217).
Work procedure
Check the identification of the previous Transmission Control Module (TCM) (J217) as follows:
- Connect the scan tool.
- Switch the ignition on.
- Select "Diagnostic mode 9: Vehicle information."
- Select the"Test-ID 04: Calibration identification".
- The Transmission Control Module (TCM) (J217) identification will be displayed.
- End diagnosis and switch the ignition off.
- Replace the Mechatronic unit in the transmission:.
- Check the identification of the new Transmission Control Module (TCM) (J217) to ensure it matches the old Transmission Control Module (TCM) (J217).
- Code the Transmission Control Module (TCM) (J217).
Generate readiness code. Refer to => [ Readiness Code ] Monitors, Trips, Drive Cycles and Readiness Codes.