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2021 LINCOLN AVIATOR

3.0L V6 Twin TurboAWDAUTOMATICgasturbo
26 active safety recalls on this vehicle — view recalls
Repairs0Labor1194Torque7623Fluid16DTC1936Battery0Maintenance0Recalls26
B0004critical severityBody

Passenger Frontal Stage 2 Deployment Control

on 2021 Lincoln Aviator 3.0L V6 Twin Turbo · 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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