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Home › Cadillac › 2003 › Escalade EXT › Repair and Diagnosis › External Pages › Different car › Section 468 (Supplemental Inflatable Restraint System) › Repair Instructions › Inflatable Restraint Sensing and Diagnostic Module Replacement › Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove any dirt, grease, or other contaminants from the mounting surface.
    2. Fig 1: View Of Inflatable Restraint Sensing & Diagnostic Module (SDM) & Wiring Harness Connector
    GM388339Courtesy of GENERAL MOTORS CORP.
  2. Install the SDM (3) horizontally to the vehicle.
  3. Point the arrow on the SDM toward the front of the vehicle.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the SDM mounting fasteners.

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

  5. Connect the SDM wiring harness connector (1) to the SDM.
    6. Fig 2: View Of Connector Position Assurance (CPA) Flex Lock Button
    GM466123Courtesy of GENERAL MOTORS CORP.
  6. Push down the flex lock button (3) and slide the connector locking cover (4) to the close position.
  7. Install the connector position assurance (CPA) (1) to the inflatable restraint sensing and diagnostic module (SDM) wiring harness connector (2).
  8. Position the carpet to cover the inflatable restraint sensing and diagnostic module (SDM).
  9. Install the door sill plate. Refer to Door Sill Plate Replacement - Front in Interior Trim.
  10. Install the driver seat. Refer to Seat Replacement - Front Bucket in Seats.
    11. IMPORTANT: 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.
  11. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 7 .
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