Communication with the engine control unit (EMS).
â–¶ How to fix
Check the CAN bus cable harnesses and connectors.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
LAS has no communication with the engine management system (EMS).
Possible cause
Fault in the EMS control unit connection to the CAN bus. Short circuit or open circuit in the EMS control unit power supply circuit. Internal fault in the EMS control unit