Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there might be a problem with the airbag system on the right side of the car, specifically with the curtain airbag that would protect you in a side crash.
The code B0029 indicates an issue with the right curtain airbag deployment control circuit, which is part of the vehicle's supplemental restraint system (SRS).
The B0029 code is triggered when the airbag control module detects a fault in the right curtain airbag deployment circuit. This could be due to a short circuit, open circuit, or high resistance in the wiring or connectors. The right curtain airbag is designed to deploy in the event of a side impact collision to protect the occupants' heads.
• Airbag warning light illuminated
• Right curtain airbag may not deploy in a collision
• Possible error message on the dashboard
• Faulty right curtain airbag
• Damaged wiring or connectors
• Faulty airbag control module
Airbag: A safety device in vehicles that inflates rapidly during a collision to protect passengers.
SRS: Supplemental Restraint System, which includes airbags and seatbelt pre-tensioners.
• Perform a visual inspection of the right curtain airbag and its wiring.
• Use a diagnostic scanner to confirm the B0029 code.
• Check for any damaged or corroded connectors.
• Repair or replace damaged wiring or connectors.
• Replace the right curtain airbag if faulty.
• Replace the airbag control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $800
Moderate
• Chevrolet Malibu
• GMC Sierra
• Cadillac CTS
• Regularly inspect airbag system wiring.
• Avoid modifications to the vehicle's electrical system.
• Have the airbag system checked after any collision.
Safety System Issue
• Do not ignore the airbag warning light.
• Have the vehicle inspected by a professional as soon as possible.
Airbag systems may be covered under the vehicle's safety warranty. Check with your manufacturer.
Airbag system issues have been a common concern due to the critical safety role they play in vehicle operation.
High – This issue affects the vehicle's safety system and should be addressed immediately.
Driving with a malfunctioning airbag system can increase the risk of injury in a collision. Always ensure your vehicle's safety systems are functioning properly.
• Vehicle ignition in the ON position
• Airbag system self-test completed
The right curtain airbag is located along the roofline on the right side of the vehicle, above the doors.
Q: Can I drive my car with the B0029 code?
A: It's not recommended to drive with an airbag system fault, as it may not deploy in an accident.
Q: How can I reset the airbag light?
A: The airbag light can be reset by fixing the underlying issue and using a diagnostic scanner to clear the code.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Body and airbag faults often need a scanner that can access more than generic powertrain codes.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking power, ground, and continuity in body-system circuits.
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Universal · Fuse kit
Useful for electrical diagnosis when blown fuses or circuit faults are part of the troubleshooting process.
Useful when body electrical faults trace back to blown fuses or shared circuits.
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