Communication with the AWD control unit
â–¶ How to fix
Check the yellow CAN bus wiring and connectors. If the fault code is inactive, check whether the AWD control unit has generated any fault codes. Also check the instrument cluster configuration.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Communication between the instrument cluster and the AWD control unit has been interrupted.
Possible cause
Interruption in the circuit for the yellow CAN bus towards the AWD control unit. There may also be an internal fault in the AWD control unit. Alternatively, the settings in the instrument cluster can be incorrect.