GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Yukon XL - 4WD 🢒 Body and Accessories 🢒 Theft Deterrent - Immobilizer - Some Export Vehicles 🢒 Theft Deterrent Module Replacement

Removal Procedure
  1. Disable the SIR. Refer to Disabling the SIR System in SIR.
  2. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement - On Vehicle in Steering Wheel and Column.
  3. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle in Steering Wheel and Column.
  4. Remove the theft deterrent control module wiring harness from the steering column harness.
  5. Disconnect the electrical connector from the theft deterrent control module.
  6. If, necessary, disconnect the electrical connector from the ignition lock cylinder case.

    7. Object Number: 324877 Size: SH
  7. Remove the theft deterrent module (2) away from the lock cylinder housing (1).

Installation Procedure

    Object Number: 324877 Size: SH
  1. Install the theft deterrent control module (2), onto the lock cylinder housing (1) .
  2. Install the theft deterrent control module wiring harness to the steering column harness.
  3. If, necessary, disconnect the electrical connector from the ignition lock cylinder case.
  4. Connect the electrical connector.
  5. Install the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle in Steering Wheel and Column.
  6. Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement - On Vehicle in Steering Wheel and Column.
  7. Enable the SIR system. Refer to Enabling the SIR System in SIR.
  8. Program the new theft deterrent control module. Refer to Programming Theft Deterrent System Components .