8003 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 1 Min.

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

Diagnosis/troubleshooting For Harman (Part 1):

Diagnosis/troubleshooting For Harman (Part 2):

Diagnosis/troubleshooting For Harman (Part 3):

Diagnosis/troubleshooting For Harman (Part 4):