External Harman Amplifier

8002 External Harman amplifier

Malfunction in internal memory

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.
- This fault code is set by means of a self-test with the Porsche System Tester" No. 9588.

Possible cause of fault
- EEPROM fault
- Memory faulty

Diagnosis/troubleshooting on the external amplifier