800B

800B CD changer

Control module faulty

Diagnostic conditions
- Ignition on
- PCM2 or CDR23 on
- Functional audio CD inserted correctly in CD changer
- Start CD changer

NOTE:
- Fault code 8003 is recorded in the PCM2 MMI/CDR23 if the operating buttons are actuated for '≥ 1 minute'.
- Deactivate the 'automatic traffic announcement' before performing the diagnosis on the PCM2/CDR23. If this is not done, diagnosis will abort (applies only to software version number < 03).

Possible cause of fault
- CD changer faulty

NOTE:
- The MOST optical waveguide is connected to the following control modules:
- PCM2 or CDR23
- CD changer
- External BOSE amplifier (optional)
- Telephone/telematics

Affected terminals
-

Diagnosis/troubleshooting