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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 78 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)REPAIR INSTRUCTIONSINFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE REPLACEMENTINSTALLATION PROCEDURE
2008 Pontiac Grand Prix Base

Installation Procedure

2008 Pontiac Grand Prix BaseSECTION Installation Procedure
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove any dirt, grease, or other impurities from the mounting surface.
    2. Fig 1: View Of SDM
    GM238075Courtesy of GENERAL MOTORS CORP.
  2. Install the SDM (2) horizontally to the vehicle (3).
  3. Point the arrow on the SDM toward the front of the vehicle.
    4. NOTE: Refer to Fastener Notice .
  4. Install the SDM mounting fasteners (1).

    Tighten:  Tighten the fasteners to 10 N.m (89 lb in).

    5. Fig 2: View Of Connector At SDM
    GM217475Courtesy of GENERAL MOTORS CORP.
  5. Connect the connector to the SDM.
    6. Fig 3: View Of Connector Position Assurance
    GM217474Courtesy of GENERAL MOTORS CORP.
  6. Install the CPA to the SDM connector.
  7. Position the carpet to cover the SDM.
  8. Reposition the front and rear door weatherstrips as required.
  9. Install the center pillar, lower trim panel. Refer to Center Pillar Lower Trim Panel Replacement .
  10. Install the right insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Right Side .
  11. Install the passenger front seat. Refer to Front Seat Replacement - Bucket .
  12. Enable the SIR system. Refer to SIR Disabling and Enabling .
  13. If you replaced the SDM, perform the following procedure in order to update the BCM with the new SDM part number:
      IMPORTANT: The AIR BAG indicator may remain ON after the SDM is replaced. After programming the SDM part number into the BCM, cycle the ignition switch OFF and ON. This turns OFF the AIR BAG indicator and clears the DTC.
    1. Install a scan tool.
    2. Select the Special Functions option from the BCM Menu and press enter.
    3. Select the BCM Reprogramming in BCM option and press enter.
    4. Follow the procedure on the scan tool display.
    5. Cycle the ignition switch OFF and ON.
  14. Refer to Control Module References for programming and setup information.
RENDER: 1.0x

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When to See a Mechanic

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

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