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For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 Body 🢒 Wiring Systems 🢒 Inflatable Restraint Sensing and Diagnostic Module Replacement

Inflatable Restraint Sensing and Diagnostic Module Replacement D07

Removal Procedure

    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.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling .
  2. Remove the center console. Refer to Front Floor Console Replacement in Instrument Panel, Gages, and Console.

    3. Object Number: 466123 Size: SH

    Important: Once the center console is removed, the inflatable restraint sensing and diagnostic module (SDM) will be serviced through a pre-slit in the carpeting.

  3. Remove the connector position assurance (CPA) (1) from the inflatable restraint SDM wiring harness connector (2).
  4. Push down flex lock button (3) and then move sliding connector locking cover (4) to the open position.

    5. Important: The inflatable restraint SDM is shown with the carpet removed for illustration purposes only. Removal of the front carpet and/or the front seats is not necessary to service the SDM.


    Object Number: 464945 Size: SH
  5. Remove push-on clip (1) securing SDM wiring harness to console stud.
  6. Disconnect the SDM wiring harness connector (3) from the SDM (2).

    7. Object Number: 464950 Size: SH
  7. Remove the SDM mounting fasteners (1).
  8. Remove the SDM (2) from the console floor (3).

Installation Procedure
  1. Remove any dirt, grease, or other impurities from the mounting surface.

    2. Object Number: 464950 Size: SH
  2. Install the SDM (2) to console floor (3).
  3. Point the arrow on the SDM toward the front of the vehicle.

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the SDM mounting fasteners (1).

    5. Tighten
    Tighten fasteners to 9 N·m (80 lb in).


    Object Number: 464945 Size: SH
  5. Connect the SDM wiring harness connector (3) to the SDM (2).
  6. Install push-on clip (1) securing SDM wiring harness to console stud.

    7. Object Number: 466123 Size: SH
  7. Push down flex lock button (3) and then move sliding connector locking cover (4) to the close position.
  8. Install the CPA (1) to the inflatable restraint SDM wiring harness connector (2).
  9. Install the console. Refer to Front Floor Console Replacement in Instrument Panel, Gages, and Console.
  10. Install the driver and passenger seat to the original position.
  11. Enable the SIR system. Refer to SIR Disabling and Enabling .

    12. 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.

  12. Program the new SDM into the dash integration module (DIM). Refer to Body Control Module (BCM) Programming/RPO Configuration in Computer/Integrating Systems.
  13. Refer to Control Module References for programming and setup information.

Inflatable Restraint Sensing and Diagnostic Module Replacement D09

Removal Procedure

    Object Number: 474665 Size: SH

    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.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling .
  2. Remove the front center seat (3). Refer to Front Center Seat Replacement in Seats.

    3. Important: Once the center seat is removed, the inflatable restraint sensing and diagnostic module (SDM) will be serviced through a pre-slit in the carpeting.


    Object Number: 466123 Size: SH
  3. Remove the connector position assurance (CPA) (1) from the inflatable restraint SDM wiring harness connector (2).
  4. Push down flex lock button (3) and then move sliding connector locking cover (4) to the open position.

    5. Important: The inflatable restraint SDM is shown with the carpet removed for illustration purposes only. Removal of the front carpet and/or the front seats is not necessary to service the SDM.


    Object Number: 464945 Size: SH
  5. Remove push-on clip (1) securing SDM wiring harness to console stud.
  6. Disconnect the SDM wiring harness connector (3) from the SDM (2).

    7. Object Number: 464950 Size: SH
  7. Remove the SDM mounting fasteners (1).
  8. Remove the SDM (2) from the console floor (3).

Installation Procedure
  1. Remove any dirt, grease, or other impurities from the mounting surface.

    2. Object Number: 464950 Size: SH
  2. Install the SDM (2) horizontally to the console floor (3).
  3. Point the arrow on the SDM toward the front of the vehicle.

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the SDM mounting fasteners (1).

    5. Tighten
    Tighten fasteners to 9 N·m (80 lb in).


    Object Number: 464945 Size: SH
  5. Connect the SDM wiring harness connector (3) to the SDM (2).
  6. Install push-on clip (1) securing SDM wiring harness to console stud.

    7. Object Number: 466123 Size: SH
  7. Push down flex lock button (3) and then move sliding connector locking cover (4) to the close position.
  8. Install the CPA (1) to the inflatable restraint SDM wiring harness connector (2).

    9. Object Number: 474665 Size: SH
  9. Install the front center seat (3). Refer to Front Center Seat Replacement in Seats.
  10. Return driver and passenger seat to the original position.
  11. Enable the SIR system. Refer to SIR Disabling and Enabling .

    12. 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.

  12. Program the new SDM into the dash integration module (DIM). Refer to Body Control Module (BCM) Programming/RPO Configuration in Computer/Integrating Systems.
  13. Refer to Control Module References for programming and setup information.