Communication with the CSS control unit
â–¶ How to fix
Check the green CAN bus wiring and connectors. Also check whether the coordinator 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 CSS control unit has been interrupted.
Possible cause
Interruption in the circuit for the green CAN bus towards the CSS control unit. There may also be an internal fault in the CSS control unit.