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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 455 (Supplemental Inflatable Restraint System) >> Repair Instructions >> Inflatable Restraint Sensing and Diagnostic Module Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: SDM
    GM1452878Courtesy of GENERAL MOTORS CORP.
  1. Remove any dirt, grease, or other impurities from the mounting surface.
  2. Install the SDM horizontally to the console floor.
  3. Point the arrow on the SDM toward the front of the vehicle.
    4. CAUTION: Refer to Fastener Caution .
  4. Install the SDM mounting fasteners and tighten to 9 N.m (80 lb in).
  5. Connect the wiring harness connector to the SDM.
  6. Install the console. Refer to Front Floor Console Replacement .
  7. Install the driver and the passenger seats to the original position.
  8. Enable the SIR system. Refer to SIR Disabling and Enabling .
    9. NOTE: The AIR BAG indicator may remain ON after the SDM has been replaced. DTC B1001 may set requiring the SDM part number to be set in multiple modules. If the indicator remains ON after enabling the SIR system, perform the diagnostic system check and follow the steps thoroughly to ensure that the SDM is set properly.
  9. Program the new SDM into the dash integration module (DIM).
  10. Refer to Control Module References for programming and setup information.
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