Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating Theft Deterrent Module & Ignition Lock Cylinder Case Assembly

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to SIR Caution in Cautions and Notices.

Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
Remove the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement in Steering Wheel and Column.
Remove the lock cylinder. Refer to Ignition Lock Cylinder Replacement in Steering Wheel and Column.
Disconnect the connector from the theft deterrent control module.
If necessary, disconnect the connector from the ignition lock cylinder case (1).
Remove the theft deterrent control module (2) from the ignition lock cylinder case assembly (1).