Index des codes défaut · high
FLASH42
Impact sensor circuit fault – front
Impact sensor circuit fault – front
Common causes
- See factory diagnostic procedure / wiring diagram for this code
Quick checks
- Confirm freeze-frame and conditions when the code set
- Inspect connectors, grounds, and harness for the circuit named in the code
- Compare live sensor values vs expected (unplugged/biased sensors are common)
- SRS work needs battery disconnected precautions and a module-capable scan tool
Typical fixes
- Check front crash sensor
- Check front crash sensor wiring/module