B0029
Right Side Curtain Air Bag Deployment Control
Right Side Curtain Air Bag Deployment Control: the restraints module has detected a fault in this airbag/pretensioner deployment circuit, which may prevent correct deployment in a crash. Safety-critical.
Right Side Curtain Air Bag Deployment Control: the restraints module has detected a fault in this airbag/pretensioner deployment circuit, which may prevent correct deployment in a crash. Safety-critical.
Common causes
- high
Curtain airbag squib circuit open or shorted
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-1650
- medium
Wiring damage in A/B/C-pillar
A plausible cause — test and verify before replacing parts.
Typical part cost: $220-1650
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for B0029.
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 B0029.
Unlock diagnosisFree forever · No credit card
Related codes
See related trouble codes
Create a free Wrenchify account to unlock the rest for B0029.
Unlock related codesFree forever · No credit card
Frequently asked questions
What does B0029 mean?
B0029 means "Right Side Curtain Air Bag Deployment Control". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B0029?
curtain airbag squib circuit open or shorted; wiring damage in a/b/c-pillar; srs control module fault — 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 B0029 diagnosis for your vehicle
Year, make, model + step-by-step repair help — free plan included.