Communication with the engine control unit
â–¶ How to fix
Check the red CAN bus wiring and connectors. Also check whether the engine control unit or the coordinator has generated any fault codes.
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 engine control unit has been interrupted.
Possible cause
Short circuit or open circuit in the red CAN bus. There may also be an internal fault in the engine control unit or the coordinator.