Loss of persistent IMMO data
â–¶ How to fix
• With IMMO-LAS tool: - Program immiblizer codes - Lock COO and EMS to each other
What you'll see
• Impossible to start engine
System reaction
Amber IMMO Active
Diagnostic depth
Detection
Immobilizer codes and other persistent immobilizer data have been lost.
Possible cause
System supply voltage (U30) was cut off while the ECU was writing to the file containing persistent immobilizer data.