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OBD-II · B0003

Driver Frontal Deployment Loop Resistance Low

The SRS module has detected that the resistance in the driver frontal airbag deployment loop is below the expected range, suggesting a short or partial short between the squib leads. The airbag warning lamp is illuminated.

What this code tells you

The vehicle detected a condition matching the diagnostic criteria for B0003. 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.