Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information MMM-4000

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

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]
- Traffic information is not displayed/updated
- Navigation; No Functionality