Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ICM-1A57

Condition




The infotainment control module (ICM) checks the communication with the phone module (PHM).
Diagnostic trouble code (DTC) ICM-1A57 is stored in the infotainment control module (ICM) if it registers a fault in the communication with the phone module (PHM).
Diagnostic trouble code (DTC) ICM-1A57 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 phone module (PHM)
- No phone module (PHM).

Fault symptom[s]
- The carphone is not working.