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2020 MAZDA MAZDA3
2.5L Skyactiv-G I4 (186 hp)•AWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor987Torque6478Fluid16DTC2264Battery2Maintenance0Recalls2
B0024critical severityBody

Passenger Curtain Airbag Circuit Resistance High

on 2020 Mazda Mazda3 2.5L Skyactiv-G I4 (186 hp) · AWD

What this code means

The passenger side curtain airbag circuit resistance exceeds specification.

Symptoms

  • Airbag warning light on
  • SRS fault stored
  • Possible deployment failure

Common causes

  • Corroded connector pins
  • Damaged wiring
  • Faulty squib
  • Poor terminal contact

Diagnostic steps

  1. Measure circuit resistance
  2. Inspect connectors for corrosion
  3. Check wiring condition
  4. Compare to manufacturer spec

Repair notes

Clean or replace corroded connectors. Replace curtain airbag if squib resistance is out of spec.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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