EMS immobilizer validation fault.
â–¶ How to fix
• Check status of the immobilizer function with ImmoLasTools
What you'll see
• Not possible to start engine.
System reaction
Amber IMMO Active
Diagnostic depth
Detection
Immobilizer failure. The Immobilizer (COO) can not validate the Engine Management System (EMS).
Possible cause
• The immobilizer function in the EMS unit is not correctly locked to the COO - spare part unit, which has not been programmed/configured - unit transferred from another vehicle • The immobilizer function in the COO unit is not correctly locked to the EMS - spare part unit, which has not been programmed/configured - unit transferred from another vehicle