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OBD-II · B0012

Right Front/Passenger Frontal Stage 2 Deployment Control

The SRS module has detected a fault in the second-stage deployment circuit of the front passenger airbag. The dual-stage charge cannot be triggered as designed and the airbag warning lamp is illuminated.

What this code tells you

The vehicle detected a condition matching the diagnostic criteria for B0012. The code guides testing; it does not confirm which component caused the condition.

Reasonable next steps

  1. Record all stored and pending codes plus freeze-frame data before clearing anything.
  2. Check service information for the exact year, make, model and powertrain.
  3. Inspect related wiring, connectors, hoses and obvious damage before replacing parts.
  4. Use measured test results or a qualified technician to confirm the root cause.
A flashing check-engine light, severe misfire, overheating, oil-pressure warning, brake warning or unsafe drivability warrants stopping safely and obtaining professional help.