Electrical failure in collision sensor (B1015).
â–¶ How to fix
Check wiring and connectors. Replace collision sensor.
What you'll see
The sensor will not work properly.
System reaction
Amber engine warning lamp
Diagnostic depth
Detection
The GSC indicates either - too low voltage on the pull-up pin (B18) - too high voltage on the pull-up pin (B18) - too low voltage on the pull-down pin (B20) - too high voltage on the pull-down pin (B20)
Possible cause
Collision sensor Otto Signal Invalid