Communication with the engine control unit
â–¶ How to fix
Check the red CAN bus wiring and connectors. Check the circuit for the engine control unit power supply (30) and the circuit for the engine 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 the coordinator and engine control unit has been interrupted.
Possible cause
The fault may be due to: Open circuit in the red CAN bus.Short circuit or open circuit in the engine control unit power supply.Internal fault in the engine control unit.