8009 External Harman Amplifier

8009 External Harman amplifier

Incorrect coding

Diagnostic conditions
- Ignition on
- PCM2/CDR23 ON

NOTE:
- Fault code 8003 is recorded in the PCM2 MMI if the operating buttons are actuated for '≥ 1 Min.'.
- Deactivate the 'automatic traffic announcement' before performing the diagnosis on the PCM2. If this is not done, the diagnosis will abort.

Possible cause of fault
- No coding or incorrect coding

Diagnosis/troubleshooting for Harman