OBD-II · Carrosserie (B)
B0001
Driver front airbag stage 1 circuit fault
Signification
The airbag control unit has found a problem in the wiring circuit to the driver's front airbag (first stage), so it may not deploy in a crash.
Symptômes
- Airbag warning light on
- Horn or steering wheel buttons may also fail (shared clockspring)
Causes probables, de la plus fréquente à la moins fréquente
| No. | Cause |
|---|---|
| 01 | worn or broken clockspring (spiral cable) behind the steering wheel |
| 02 | loose airbag connector after steering wheel work |
| 03 | faulty driver airbag unit |
| 04 | wiring damage in the steering column |
Points à vérifier, étape par étape
- 01Check whether horn and steering wheel buttons also fail (points to the clockspring)
- 02Read the fault type (open, short, resistance too high/low) from the airbag module
- 03Disconnect the battery and wait the specified time before touching airbag wiring
- 04Check the clockspring and airbag connectors; replace the clockspring if faulty
- 05Clear codes and confirm the airbag light goes out