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's a problem with the part of the car that controls the airbag for the third row of seats on the right side. It's like a safety cushion that might not work properly in a crash.
The code B004A indicates an issue with the deployment control of the second stage airbag for the right side of the third row of seats.
The B004A code is triggered when the airbag control module detects a malfunction in the circuit responsible for deploying the second stage of the frontal airbag located on the right side of the third row of seats. This could be due to a fault in the wiring, connectors, or the airbag module itself.
• Airbag warning light illuminated
• Airbag system not functioning properly
• Potential safety risk in a collision
• Faulty airbag module
• Damaged wiring or connectors
• Faulty airbag control module
Airbag: A safety device in a vehicle that inflates rapidly during a collision.
Deployment: The act of the airbag inflating to protect occupants in a crash.
• Check for any other related codes.
• Inspect the wiring and connectors for damage.
• Test the airbag module and control unit.
• Repair or replace damaged wiring or connectors.
• Replace faulty airbag module.
• Reprogram or replace the airbag control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $600
Moderate
• Chevrolet Suburban
• GMC Yukon XL
• Cadillac Escalade ESV
• Regularly inspect airbag system components.
• Avoid water damage to the vehicle's interior.
• Have the airbag system checked during routine maintenance.
Safety System Issue
• Do not ignore the airbag warning light.
• Have the vehicle inspected by a professional as soon as possible.
Airbag systems are often covered under extended warranty. Check with your vehicle manufacturer.
Airbag deployment control issues have been a concern due to the complexity of modern airbag systems and the importance of their proper function in vehicle safety.
High – Airbag system malfunctions can compromise safety in the event of a collision.
It is illegal to drive a vehicle with a malfunctioning airbag system in some regions due to safety regulations.
• Vehicle must be stationary.
• Ignition in the 'ON' position.
The airbag module for the third row right side is typically located behind the interior trim panel near the seat.
Q: Can I still drive my car with this code?
A: It's not recommended to drive with a malfunctioning airbag system as it may not deploy in an accident.
Q: Will disconnecting the battery clear the code?
A: Disconnecting the battery may reset the light temporarily, but it will not fix the underlying issue.
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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