Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ICM-DC01

Condition




The infotainment control module (ICM) may detect an open-circuit in the MOST network after the ring break diagnostic has been run.
The diagnostic trouble code (DTC) is stored if an open-circuit is detected.

Substitute value
- None.

Possible source
- Dirty or damaged terminal for the MOST cable
- Open-circuit in the MOST cable
- The MOST transceiver is damaged in one of the control modules in the MOST network
- No power supply to a control module in the MOST network
- Damaged control module in the MOST network.

Fault symptom[s]
- Audio unit not operating.
- The display does not light.
- Functions in the infotainment system do not work.
- No or reduced carphone functionality.