External Harman Amplifier

8003 External Harman Amplifier

Malfunction in front loudspeaker

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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Part 3: