B1B02
Driver Airbag Squib 1 Circuit Open
B1B02 is an OBD-II diagnostic trouble code meaning: Driver Airbag Squib 1 Circuit Open. Common causes: broken or damaged airbag wiring harness, oxidation or poor contact in connectors. Estimated repair cost: $56–278.
Symptoms
- The SRS/airbag indicator on the instrument panel is on
- The driver's airbag will not deploy in an accident.
- Possible additional SRS fault codes
Causes
- Broken or damaged airbag wiring harness
- Oxidation or poor contact in connectors
- Airbag squib malfunction
- Problems with the SRS control module
- Mechanical damage to components (after an accident or repair)
How to Fix
- Perform a visual inspection of the SRS wiring harness and connectors.
- Check the resistance of the squib circuit (should be 2-3 Ohms)
- Check the integrity of the wires from the SRS module to the squib
- If necessary, replace damaged wires or connectors
- If the circuit is OK, the squib or SRS module may need to be replaced.
- After repair, reset SCS errors and check the system
Related codes
FAQ
What does the B1B02 code mean?
B1B02 is an OBD-II diagnostic trouble code that indicates: Driver Airbag Squib 1 Circuit Open
What causes a B1B02 error code?
The most common causes of B1B02 include: Broken or damaged airbag wiring harness; Oxidation or poor contact in connectors; Airbag squib malfunction; Problems with the SRS control module.
How do I fix a B1B02 diagnostic trouble code?
To fix B1B02: Perform a visual inspection of the SRS wiring harness and connectors.. Check the resistance of the squib circuit (should be 2-3 Ohms). Check the integrity of the wires from the SRS module to the squib. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1B02?
Do not drive — repair immediately
How much does it cost to fix B1B02?
The estimated repair cost for B1B02 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat