Communication with the body builder control unit
â–¶ How to fix
Check the yellow CAN bus wiring and connectors. Check the circuit for the bodywork control unit power supply (30) and the circuit for the bodywork control unit's activation signal (15). In the instrument cluster you can see whether the bodywork control unit 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 coordinator and the body builder control unit has been interrupted.
Possible cause
The fault may be due to: Open circuit in the yellow CAN bus.Short circuit or open circuit in the bodywork control unit power supply.Internal fault in the bodywork control unit.