Disabling System

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Disabling System
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  1. Before proceeding, follow air bag service precautions. See SERVICE PRECAUTIONSΒ  . Turn front wheels to straight-ahead position. Turn ignition switch to LOCK position and remove key from ignition switch. Remove rear seat cushion. Locate rear fuse block under rear seat cushion. Remove SIR fuse from rear fuse block. Wait one minute.
    1. Zones 2 Or 6Β  - To disable inflatable restraint Side Impact Sensor (SIS) located in SIR Zone 2 (left) or Zone 6 (right), remove appropriate center pillar trim panel. Pull out on center pillar garnish molding to disengage retainer clips. Remove front and rear carpet retainer. Remove center pillar garnish molding. Remove appropriate side air bag sensor CPA clip from SIS. See Figure . Remove SIS connector from SIS.
    2. Zone 3Β  - To disable driver air bag module and coil located in SIR Zone 3, remove driver side sound insulator. Remove CPA clip and disconnect Yellow 2-pin SIR connector at base of steering column. See Figure .
    3. Zone 5Β  - To disable passenger air bag module located in SIR Zone 5, remove right sound insulator from bottom of instrument panel. Remove CPA clip from passenger air bag module Yellow connector located below instrument panel. See Figure . Disconnect passenger air bag module Yellow connector from vehicle harness Yellow connector.
    4. Zone 7Β  - To disable seat side air bag module and seat belt pretensioner located in SIR Zone 7, move driver seat fully forward. Working under driver seat, remove both CPA clips from driver side air bag module and pretensioner Yellow connector. See Figure . Disconnect Yellow connector from driver side air bag module and pretensioner Yellow connector. Disconnect Yellow connector from vehicle harness.
    5. Zone 9Β  - To disable passenger side air bag module and pretensioner located in SIR Zone 9, move passenger seat fully forward. Working under passenger seat, remove both CPA clips from passenger side air bag module and pretensioner Yellow connector. See Figure . Disconnect Yellow connector from passenger side air bag module and pretensioner Yellow connector. Disconnect Yellow connector from vehicle harness.
    6. Zone 9Β  - To disable inflatable restraint Sensing and Diagnostic Module (SDM) located in SIR Zone 9, disable Zones 2, 3, 5, 6, 7 and passenger side air bag module and pretensioner located in SIR Zone 9. Remove CPA clip from components Yellow connector. Disconnect components Yellow connector from vehicle harness Yellow connectors.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.