Communications Control Module: Service and Repair
84 11 660 - Removing and installing/replacing telematics control unit (TCU) (option SA633/SA638/SA639/SA664)
Important!
Replacement with option SA638/SA664:
- Carry out vehicle programming/coding See: Testing and Inspection/Programming and
Relearning - If necessary, carry out coupling procedure
Replacement with option SA633/SA639:
- Carry out vehicle programming/coding See: Testing and Inspection/Programming and
Relearning - Via Diagnosis and Information System (DIS):
- Service functions
- Start subsequent assessment
