The communication with the EMS control unit is lost
â–¶ How to fix
1. Check the harness and connectors for the CAN communication between the EEC (E67) and EMS (E44) control units for electrical failure. 2. If no electrical failures in the harness or connectors are found, check that the EMS and EEC versions are correct.
What you'll see
The EEC control unit (E67) can not full fill OBD requirement due to timeout over CAN from the EMS control unit (E44)
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The EEC control unit (E67) can not communicate with the EMS control unit (E44)
Possible cause
Electrical failure in the CAN harness or connectors between the EEC and EMS control units. Wrong EMS or EEC version