Communication with the ACC control unit
â–¶ How to fix
Check the green CAN bus wiring and connectors. Check the circuit for the ACC control unit power supply (30) and the circuit for the ACC control unit's activation signal (15).
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Communication between coordinator and ACC control unit has been interrupted.
Possible cause
The fault may be due to: Open circuit in the green CAN bus.Short circuit or open circuit in the ACC control unit power supply.Internal fault in the ACC control unit