CAN communication from engine
â–¶ How to fix
Check CAN connections, connectors and wiring. Also check the EMS control unit.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
One of the CAN messages expected from EMS disappears or is missing.
Possible cause
Open circuit on CAN connection to AWD or EMS control unit.