8002 External BOSE Amplifier

8002 BOSE External Amplifier

BOSE External Amplifier Faulty

Diagnostic conditions
- Ignition on
- PCM2/CDR23 on

NOTE:
- The fault memory status (present/not present) is always updated when the motor is running.
- Fault code 8003 is recorded in the PCM2 MMI if the operating buttons are actuated for longer than '≥ 1 minute'.
- 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 wave guide is connected to the following control modules:
- CM2
- External amplifier
- CD changer
- Telephone/telematics

Affected pins
- none

Diagnosis/Troubleshooting On External Amplifier

Work Instruction 1 - 2: