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Home › Cadillac › 2001 › Seville SLS › Repair and Diagnosis › External Pages › Different car › Section 249 (Supplemental Inflatable Restraint System) › Repair Instructions › Inflatable Restraint Sensing and Diagnostic Module Replacement › Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying power to the SDM, make sure that it is securely fastened with the arrow facing toward the front of the vehicle. Failure to observe the correct installation procedure could cause SIR deployment, personal injury, or unnecessary SIR system repairs.
    CAUTION: If the vehicle interior is exposed to moisture and becomes soaked up to the level of the sensing and diagnostic module (SDM), the SDM and SDM harness connector must be replaced. The SDM could be activated when powered, which could cause airbag deployment and result in personal injury.
    CAUTION: Refer to SIR Caution in Cautions and Notices.
  1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 4 .
  2. Remove the accessory trim plate. Refer to Trim Plate Replacement - Instrument Panel (I/P) Accessory in Instrument Panel, Gages and Console.
    3. Fig 1: SDM Harness Connector & CPA
    GM391030Courtesy of GENERAL MOTORS CORP.
  3. Remove the heater and A/C control head.
  4. Remove the connector position assurance (CPA) from the SDM harness connector.
    5. Fig 2: SDM Harness Connector
    GM391032Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the SDM harness connector.
    6. Fig 3: I/P Center Support System, SDM & Mounting Fasteners
    GM391034Courtesy of GENERAL MOTORS CORP.
  6. Remove the SDM (3) mounting fasteners (2).
  7. Remove the SDM from the I/P center support system (1).
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