OBD-II code · Body

B0002 Driver Frontal Stage 2 Deployment Control

The SRS module has detected a fault in the deployment control circuit for the second stage of the driver frontal airbag. Dual-stage airbags use two charges for severity-dependent deployment — this code indicates the high-severity stage cannot be triggered reliably.

Is it safe to drive with B0002?

Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.

Common causes

  • Most likelyClock spring damaged or worn
  • PossibleStage 2 squib circuit open or shorted
  • Less likelySRS control module fault

Symptoms

  • Warning light or symbol related to the affected system
  • Comfort or safety function impaired

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
1–4 h
Emissions test
Usually unaffected
Parts involved
Driver Airbag Module, Srs Control Module, Srs Wiring, Clock Spring

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.