Loss of function parameters
â–¶ How to fix
• Spare part program COO.
What you'll see
• Impossible to start engine • Several other warnings shown in ICL
System reaction
Amber COO Warning Lamp
Diagnostic depth
Detection
End-of-line (EOL) parameters have been lost.
Possible cause
System supply voltage (U30) was cut off while the ECU was writing to the file containing the EOL-parameters.