Wake-up signal coordinator
â–¶ How to fix
Check the cable harness and connectors. Check that there is contact between the coordinator and CAN bus.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Short circuit to voltage supply on control unit pin B4.
Possible cause
Fault in the cable harness or connectors. The coordinator has no contact with the CAN bus.