Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information MMM-B1A891B

Condition
The Multimedia module (MMM) checks the communication with the integrated GPS receiver.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- No or interrupted communication with the integrated GPS receiver.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition switch position II.

Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.





Substitute value
- None.

Possible source
- Damaged multimedia module (MMM).

Fault symptom[s]
- Car position on map is incorrect
- Navigation; No Functionality