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.
High severity. Can I keep driving?You can still drive the car, but the airbags or pretensioners may not work. Get it repaired as soon as possible: it is a safety system.
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Most likely causes
- Clock spring damaged or worn
- Stage 2 squib circuit open or shorted
- SRS control module fault
What to check, in order
Start with the simplest. You can tick off each step.
Good to know
- Repair difficulty: hard
What each character of B0002 means
- B: Body
- 0: Generic code: same on every make
- 0: Subsystem depends on the code range
- 02: Specific fault in that system
Frequently asked questions
Can I keep driving with code B0002?
You can still drive the car, but the airbags or pretensioners may not work. Get it repaired as soon as possible: it is a safety system.
What causes code B0002?
The most common causes are: clock spring damaged or worn; stage 2 squib circuit open or shorted; sRS control module fault.
Sources
Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.