B004B
Third Row Right Frontal Stage 3 Deployment Control
Fault on third-row right frontal airbag, stage 3 deployment.
Fault on third-row right frontal airbag, stage 3 deployment.
Common causes
- high
Stage 3 squib circuit open
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-1650
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for B004B.
Unlock causesFree forever · No credit card
First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
Get the full step-by-step diagnosis
Create a free Wrenchify account to unlock the rest for B004B.
Unlock diagnosisFree forever · No credit card
Related codes
See related trouble codes
Create a free Wrenchify account to unlock the rest for B004B.
Unlock related codesFree forever · No credit card
Frequently asked questions
What does B004B mean?
B004B means "Third Row Right Frontal Stage 3 Deployment Control". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B004B?
stage 3 squib circuit open — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
Get the full B004B diagnosis for your vehicle
Year, make, model + step-by-step repair help — free plan included.