The EMS and EEC control units are incompatible.
â–¶ How to fix
Action: 1. Check that the software in the EEC and the EMS control units are compatible. 2. Check that the version numbers for the EMS and EEC control unit hardware are compatible.
What you'll see
No driver-visible symptom recorded.
System reaction
System reaction: This fault may lead to higher emissions.
Diagnostic depth
Detection
The EMS and EEC control units are indicating different version codes.
Possible cause
Possible causes: 1. Incompatible software versions in the EEC and EMS control units 2. Incompatible hardware control system hardware between the EEC and EMS