Loss of KWP2000-ECU ID data
â–¶ How to fix
Replace the COO unit (since ECU complete number can not be rewritten by SDP3).
What you'll see
• Limited support in SDP3.
System reaction
Red COO Stop Lamp
Diagnostic depth
Detection
ECU identification data has been lost. Examples of lost data are ECU complete number and vehicle identification number.
Possible cause
System supply voltage (U30) was cut off while the ECU was writing to the file containing the ECU identification data.