External Bose Amplifier

8002 External BOSE 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.
- Deactivate the 'automatic traffic announcement' before performing the diagnosis on the PCM2. If this is not done, the diagnosis will abort.

Possible cause of fault
- EEPROM fault
- Memory faulty

NOTE:
- The MOST optical waveguide is connected to the following control modules:
- PCM2
- External amplifier
- CD changer
- Telephone/telematics

Diagnosis/troubleshooting on the external amplifier