GM Service Manual Online
For 1990-2009 cars only

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.

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling .
  2. Remove the floor console. Refer to Console Replacement.

  3. Object Number: 1343513  Size: SH
  4. Remove the 3 fasteners to the sensing and diagnostic module (SDM).
  5. Remove the connection position assurance (CPA) (1) from the SDM.

  6. Object Number: 1343515  Size: SH
  7. Rotate the locking arm (1) to release the electrical connector from the SDM.
  8. Disconnect the electrical connection from the SDM.
  9. Remove the SDM from the vehicle.

Installation Procedure

  1. Remove any dirt, grease, etc. from the mounting surface.
  2. Install the SDM to the vehicle.
  3. Connect the electrical connection to the SDM.

  4. Object Number: 1343515  Size: SH
  5. Rotate the locking arm (1) to lock the electrical connector to the SDM.

  6. Object Number: 1343513  Size: SH
  7. Install the CPA (1) to the SDM.
  8. Notice: Refer to Fastener Notice in the Preface section.

  9. Install the nuts that retain the SDM to the floor panel.
  10. Tighten
    Tighten the nuts to 12 N·m (106 lb in).

  11. Install the floor console. Refer to Console Replacement.
  12. Important: The AIR BAG indicator may remain ON after the SDM has been replaced. DTC B1001 may set requiring that the SDM part number to be setup in multiple modules. If the indicator remains ON after enabling the SIR system, perform the diagnostic system check and follow steps thoroughly to ensure that the SDM is setup properly.

  13. Enable the SIR system. Refer to SIR Disabling and Enabling .
  14. Refer to Control Module References for programming and setup information.