Operation CHARM: Car repair manuals for everyone.

PCM2/CDR23 - External Harman Amplifier



8003 External Harman Amplifier

Front loudspeaker channel faulty

Diagnostic conditions
- Ignition on
- PCM2/CDR23 on

NOTE: Fault code 8003 is recorded in the PCM2 MMI if the operating buttons are actuated for one or more minutes

Possible cause of fault
- Short circuit to B+/ground in the wiring harness
- Short circuit - loudspeaker faulty
- Short circuit - amplifier faulty

Affected pin
External Harman amplifier, plug A, pins 14 and 15

Diagnosis/troubleshooting for Harman


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