External Bose Amplifier

8013 External BOSE amplifier

Malfunction in rear left 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.
- Deactivate the 'automatic traffic announcement' before performing the diagnosis on the PCM2. If this is not done, the diagnosis will abort.
- This fault code is set by means of a self-test with the Porsche System Tester II No. 9588.

Possible cause of fault
- Wiring harness/rear left and right loudspeakers faulty
- External BOSE amplifier output stage faulty

Affected pin
Amplifier control module, plug A, pins 23 and 28

Diagnosis/troubleshooting