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 airbag system for the left side of the second row of seats in your car. It's like a safety cushion that might not work right if you get into a crash.
The code indicates an issue with the airbag deployment system for the second row left frontal airbag. It suggests that the airbag may not deploy correctly in the event of an accident.
The B0031 code is triggered when the airbag control module detects a fault in the second row left frontal stage 1 deployment control circuit. This could be due to an open circuit, short to ground, or short to voltage in the wiring or connectors associated with the airbag system.
• Airbag warning light on
• Airbag may not deploy in a crash
• Possible error message on dashboard
• Faulty airbag control module
• Damaged wiring or connectors
• Faulty airbag inflator
Airbag Control Module: A device that manages the deployment of airbags in a vehicle.
Deployment Control: The system responsible for triggering the airbag during a collision.
• Check for any other related codes
• Inspect wiring and connectors for damage
• Test the airbag control module
• Repair or replace damaged wiring or connectors
• Replace the airbag control module if faulty
• Ensure all connections are secure
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $600
Moderate
• Chevrolet Tahoe
• GMC Yukon
• Cadillac Escalade
• Regularly inspect airbag system wiring
• Ensure no liquids are spilled on the dashboard
• Avoid tampering with airbag components
Safety System Issue
• Do not ignore the airbag warning light
• Have the vehicle inspected by a professional
• Avoid driving the vehicle until repaired
Check with your vehicle manufacturer as airbag systems may be covered under extended warranty.
This code has been associated with wiring issues in vehicles with second-row airbags, particularly in larger SUVs.
High – Airbag issues can compromise vehicle safety in an accident.
Driving with a malfunctioning airbag system can be dangerous and may violate safety regulations.
• Vehicle ignition in 'ON' position
• Airbag system self-test completed
The airbag control module is typically located under the center console or beneath the driver's seat.
Q: Can I drive my car with this code?
A: It's not recommended to drive the car as the airbag may not deploy in an accident.
Q: Will disconnecting the battery fix the issue?
A: Disconnecting the battery may reset the light temporarily, but it won't fix the underlying problem.
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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