Fault code B1267 – a step-by-step guide to diagnosing and fixing it

Error code B1267 is displayed and the check engine light is on - what does this mean?

DTC B1267 is recognized by the OBD/EOBD system and indicates a problem with the airbag safety system, specifically with the front passenger airbag or its control circuit. This fault code mainly affects the airbag control unit and the associated sensors. The exact definition may vary slightly for different manufacturers, but generally refers to faults in the front passenger airbag system.

What causes can this fault code have?

• Defective airbag control unit
• Damaged cable connections to the front passenger airbag
• Defective front passenger airbag sensor
• Corroded or loose plug connections
• Slip ring defect on the steering wheel
• Defective crash sensor
• Short circuit in the airbag wiring
• Faulty seat occupancy detection
• Damaged airbag igniter

What symptoms occur in parallel with fault code B1267?

• Airbag warning light: The airbag indicator light lights up continuously or flashes
• Deactivated airbags: The airbag system may be partially or completely deactivated
• Warning messages: Display of airbag error messages in the on-board computer
• Seat belt tensioner problems: Possible malfunctions of the belt tensioners
• No acoustic signals: Missing warning tones for airbag problems
• Seat heating faults: Occasionally, seat heating functions may also be affected

How can the problem with error code B1267 be rectified?

• Repairing fault code B1267 requires special diagnostic equipment and expertise in dealing with airbag systems.
• Carry out a professional diagnosis: Have the airbag system read out with a suitable OBD scanner and localize the exact source of the fault
• Check plug connections: Check all airbag plug connections for tight fit, corrosion or damage and clean or replace if necessary
• Replace airbag control unit: If the control unit is faulty, it must be replaced with a new or reconditioned unit and then programmed
• Repair wiring harness: Damaged cables in the airbag system must be repaired professionally or the entire wiring harness must be replaced
• Replace front passenger airbag: If the airbag itself is defective, it must be replaced with an original part and the system recalibrated
• Replace the slip ring on the steering wheel: If the slip ring is defective, this component must be replaced, followed by system initialization