Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ICM-1A53

Condition




The infotainment control module (ICM) checks the communication with the multimedia module (MMM).
Diagnostic trouble code (DTC) ICM-1A53 is stored in the infotainment control module (ICM) if it registers a fault in the communication with the multimedia module (MMM).
Diagnostic trouble code (DTC) ICM-1A53 can be detected when the ignition is on for at least 20 seconds and the battery voltage is > 11 V.

Substitute value
- None.

Possible source
- Internal fault in the multimedia module (MMM)
- No multimedia module (MMM).

Fault symptom[s]
- The navigation buttons on the steering wheel do not function
- No voice message.