B0020
Left Side Airbag Deployment Control
B0020 is an OBD-II diagnostic trouble code meaning: Left Side Airbag Deployment Control. Common causes: open circuit of the left airbag circuit, faulty airbag squib. Estimated repair cost: $56–167.
Symptoms
- Airbag light is on
- Airbag does not deploy in an accident
- Error message on the dashboard
Causes
- Open circuit of the left airbag circuit
- Faulty airbag squib
- Damaged or corroded contacts
- Problems in the wiring harness
- SRS module malfunction
How to Fix
- Diagnose the SRS system using a scanner
- Check the integrity of the left airbag squib circuit
- Check the condition of the connectors and wiring harness
- Replace damaged components if necessary
- Reset the error and check again
Related codes
Error B0020 by Vehicle Brand
FAQ
What does the B0020 code mean?
B0020 is an OBD-II diagnostic trouble code that indicates: Left Side Airbag Deployment Control
What causes a B0020 error code?
The most common causes of B0020 include: Open circuit of the left airbag circuit; Faulty airbag squib; Damaged or corroded contacts; Problems in the wiring harness.
How do I fix a B0020 diagnostic trouble code?
To fix B0020: Diagnose the SRS system using a scanner. Check the integrity of the left airbag squib circuit. Check the condition of the connectors and wiring harness. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0020?
Yes, but get it checked soon
How much does it cost to fix B0020?
The estimated repair cost for B0020 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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