2017 MAZDA MX-5 MIATA

2.0L I4RWDMANUALgas
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B0031critical severityBody

Front Impact Sensor Circuit - Right

on 2017 Mazda MX-5 Miata 2.0L I4 · RWD

What this code means

Malfunction in the right front impact sensor circuit. This sensor measures crash severity on the passenger side.

Symptoms

  • Airbag warning light on
  • SRS fault stored
  • Frontal protection compromised

Common causes

  • Faulty impact sensor
  • Wiring damage
  • Corrosion from road salt
  • Loose sensor mounting

Diagnostic steps

  1. Scan SRS codes
  2. Inspect right front sensor
  3. Check wiring
  4. Measure circuit resistance

Repair notes

Replace front impact sensor or repair wiring.

Other Body codes on this vehicle

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