Fault code B1410 – a step-by-step guide to diagnosing and fixing it

Error code B1410 is displayed and the check engine light is on - what does this mean?

The DTC B1410 is a body control module trouble code that is recognized by the OBD/EOBD system and indicates a problem with the airbag warning light or the airbag system. This trouble code mainly relates to the vehicle's safety system and can have slightly different meanings for different manufacturers.

What causes can this fault code have?

• Defective airbag warning light in the dashboard
• Broken or damaged cable connections to the warning light
• Loose plug connections on the airbag control unit
• Defective body control module (BCM)
• Corrosion on the electrical contacts
• Short circuit in the wiring of the airbag system
• Faulty earth connection
• Defective airbag sensor or crash sensor
• Problems with the power supply to the system

What symptoms occur in parallel with fault code B1410?

• Airbag warning light: The airbag indicator light lights up continuously or flashes
• System failure: The airbag system may be deactivated
• Other warning lights: Additional indicator lights may illuminate
• Malfunctions: Other electrical systems may be impaired
• Diagnostic messages: Scanner displays additional codes in the body control area

How can the problem with fault code B1410 be rectified?

• The elimination of fault code B1410 requires a systematic diagnosis of the airbag system and the associated components.
• Replace the airbag warning light: Replace defective bulb or LED unit in the dashboard and check function
• Check and repair cable connections: Inspect all wiring between BCM and airbag warning light for damage and repair defective areas
• Clean plug connections: Remove corrosion from contacts on body control module and warning light and treat with contact spray
• Replace the body control module: If the BCM is defective, replace the control unit and have it reprogrammed
• Diagnose the airbag control unit: Carry out a complete system diagnosis and replace the airbag control unit if necessary
• Check power supply: Measure the system power supply and replace defective fuses or relays