B0043
Third Row Left Frontal Stage 3 Deployment Control
B0043 is an OBD-II diagnostic trouble code meaning: Third Row Left Frontal Stage 3 Deployment Control. Common causes: open circuit or short circuit in the wiring harness, airbag squib malfunction. Estimated repair cost: $56–167.
Symptoms
- SRS/airbag indicator is on
- Airbag does not deploy in an accident
- Error persists after reset
Causes
- Open circuit or short circuit in the wiring harness
- Airbag squib malfunction
- Problem with SRS control unit
- Contact corrosion
How to Fix
- Check the integrity of the wiring harness
- Check the airbag circuit resistance
- Scan the SRS control unit for other errors
- If necessary, replace the squib or control unit
- Reset the error and check the system
Related codes
Error B0043 by Vehicle Brand
FAQ
What does the B0043 code mean?
B0043 is an OBD-II diagnostic trouble code that indicates: Third Row Left Frontal Stage 3 Deployment Control
What causes a B0043 error code?
The most common causes of B0043 include: Open circuit or short circuit in the wiring harness; Airbag squib malfunction; Problem with SRS control unit; Contact corrosion.
How do I fix a B0043 diagnostic trouble code?
To fix B0043: Check the integrity of the wiring harness. Check the airbag circuit resistance. Scan the SRS control unit for other errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0043?
Do not drive — repair immediately
How much does it cost to fix B0043?
The estimated repair cost for B0043 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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