GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 TrailBlazer - 2WD 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Theft Deterrent Module Replacement

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 324869 Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling.
  2. Remove the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement.
  3. Remove the lock cylinder. Refer to Ignition Lock Cylinder Replacement.
  4. Disconnect the connector from the theft deterrent control module.
  5. If necessary, disconnect the connector from the ignition lock cylinder case (1).
  6. Remove the theft deterrent control module (2) from the ignition lock cylinder case assembly (1).

Installation Procedure

    Object Number: 324869 Size: SH
  1. Install the theft deterrent control module (2) onto the ignition lock cylinder case assembly (1).

    2. Caution: Improper routing of the wire harness assembly may damage the inflatable restraint steering wheel module coil. This may result in a malfunction of the coil, which may cause personal injury.

  2. Connect the connector to the theft deterrent control module.
  3. If necessary, connect the connector to the ignition lock cylinder case.
  4. Install the lock cylinder. Refer to Ignition Lock Cylinder Replacement.
  5. Install the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement.
  6. Enable the SIR system. Refer to SIR Disabling and Enabling.
  7. Program the theft deterrent control module. Refer to Programming Theft Deterrent System Components.
  8. Refer to Control Module References for programming and setup information.