Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that there is a problem with a sensor that helps control the airbags on the left side of the car. It's like a sensor that tells the car when to make the airbag pop out, and it's not working right.
The B0091 code indicates an issue with the left side restraints sensor, which is part of the airbag system. This sensor helps determine when to deploy the airbag.
The B0091 code is triggered when the airbag control module detects a fault in the left side restraints sensor 1 circuit. This sensor is crucial for detecting side impacts and ensuring the airbag deploys correctly to protect the occupants.
• Airbag warning light is illuminated
• Airbag may not deploy in a crash
• Possible error message on the dashboard
• Faulty left side restraints sensor
• Damaged wiring or connectors
• Faulty airbag control module
OBD-II: On-Board Diagnostics, a standardized system for self-diagnosing and reporting vehicle issues.
Airbag Control Module: A component that controls the deployment of airbags in the event of a collision.
• Check for any additional trouble codes
• Inspect the wiring and connectors for damage
• Test the left side restraints sensor for proper operation
• Replace the faulty left side restraints sensor
• Repair or replace damaged wiring or connectors
• Replace the airbag control module if necessary
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Chevrolet Malibu
• Ford Fusion
• Toyota Camry
• Regularly inspect airbag system components
• Ensure wiring and connectors are secure
• Have the airbag system checked during routine maintenance
Sensor Issue
• Do not ignore the airbag warning light
• Have the vehicle inspected by a professional
• Avoid DIY repairs unless you have experience with airbag systems
Check your vehicle's warranty to see if airbag system repairs are covered.
This code has been more common in vehicles with higher mileage or those involved in previous collisions.
High – Airbag system issues should be addressed immediately to ensure occupant safety.
Driving with a malfunctioning airbag system can be dangerous and may not comply with vehicle safety regulations.
• Vehicle should be stationary
• Ignition should be in the 'On' position
The left side restraints sensor is typically located in the door or side pillar of the vehicle.
Q: Can I drive my car with the B0091 code?
A: It's not recommended to drive with this code active, as the airbag system may not function correctly in an accident.
Q: How do I reset the airbag warning light?
A: The airbag warning light can usually be reset with an OBD-II scanner after the issue is fixed.
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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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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