8002 Navigation

8002 Navigation

Internal communication error

Diagnostic conditions
- Ignition on
- PCM2 on
- Navigation 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
- Navigation module faulty

NOTE:
- The MOST optical waveguide is connected to the following control modules.
- PCM2
- Single CD
- Amplifier
- Telephone/telematics

Affected pins

Diagnosis/troubleshooting on the PCM2 navigation module

Dianosis/troubleshooting On The PCM2 Navigation Module: