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OBD-II · Body (B)

B0001

Driver front airbag stage 1 circuit fault

What it means

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.

Symptoms

  • Airbag warning light on
  • Horn or steering wheel buttons may also fail (shared clockspring)

Likely causes, most likely first

Likely causes, most likely first
No.Cause
01worn or broken clockspring (spiral cable) behind the steering wheel
02loose airbag connector after steering wheel work
03faulty driver airbag unit
04wiring damage in the steering column

What to check, step by step

  1. 01Check whether horn and steering wheel buttons also fail (points to the clockspring)
  2. 02Read the fault type (open, short, resistance too high/low) from the airbag module
  3. 03Disconnect the battery and wait the specified time before touching airbag wiring
  4. 04Check the clockspring and airbag connectors; replace the clockspring if faulty
  5. 05Clear codes and confirm the airbag light goes out