Fault on third-row right frontal airbag, stage 2 deployment.
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.
The airbag control module monitors the airbags, pretensioners, impact sensors, and seat belt buckles. With a fault, these systems may not work in a crash.
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Most likely causes
- Stage 2 squib circuit open
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 B004A means
- B: Body
- 0: Generic code: same on every make
- 0: Subsystem depends on the code range
- 4A: Specific fault in that system
Frequently asked questions
Can I keep driving with code B004A?
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 B004A?
The most common causes are: stage 2 squib circuit open.
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.