Back to 2004 Subaru Legacy

2004 SUBARU LEGACY

3.0L H6AWDCVTgas
11 active safety recalls on this vehicle — view recalls
Repairs0Labor495Torque3666Fluid9DTC730Battery0Maintenance0Recalls11
B0004critical severityBody

Passenger Frontal Stage 2 Deployment Control

on 2004 Subaru Legacy 3.0L H6 · AWD

What this code means

Malfunction in the passenger frontal airbag stage 2 deployment circuit. The stage 2 inflator provides additional inflation force during severe frontal collisions.

Symptoms

  • Airbag warning light on
  • Passenger airbag OFF indicator illuminated
  • SRS system fault stored
  • Airbag may not deploy fully in a crash

Common causes

  • Faulty airbag inflator module
  • Damaged wiring harness under dash
  • Airbag control module failure
  • Corroded connector at airbag module

Diagnostic steps

  1. Scan SRS module for codes
  2. Inspect passenger airbag connector
  3. Measure circuit resistance
  4. Check wiring harness from module to airbag
  5. Verify airbag control module power and ground

Repair notes

Professional airbag service required. Do not attempt DIY airbag repairs. Disconnect battery and wait 10 minutes before working near airbag components.

Other Body codes on this vehicle

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