B0020Critical severity

Driver Curtain Airbag Deployment Control

A fault in the driver side curtain airbag circuit.

Safe to Drive?
No

Have this diagnosed before driving further

Informational only. Consult a qualified mechanic.

Estimated Repair Cost
$200 - $1,500
Common Causes
  • Faulty curtain airbag
  • Wiring issue in headliner
  • Control module fault
Recommended Action

Have curtain airbag system inspected.

What does B0020 mean?

The B0020 OBD-II diagnostic trouble code (DTC) indicates: driver curtain airbag deployment control. This is a critical-severity body code that your vehicle's onboard diagnostics system triggers when a fault in the driver side curtain airbag circuit. If your check engine light is on with this code, you should have the vehicle inspected immediately before driving further.

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