GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Envoy - 2WD
🢒
Safety and Security
🢒
Immobilizer
🢒 Theft Deterrent Module Replacement
Removal Procedure
Disable the SIR. Refer to
SIR Disabling and Enabling
.
Remove the trim covers. Refer to
Steering Column Trim Covers Replacement
.
Remove the theft deterrent module wiring harness from the steering column harness.
Disconnect the electrical connector.
Pull the theft deterrent module (2) away from the lock cylinder housing (1).
Installation Procedure
Push the theft deterrent module (2), onto the lock cylinder housing (1) .
Install the theft deterrent wiring harness to the steering column harness.
Connect the electrical connector.
Replace the steering column trim covers. Refer to
Steering Column Trim Covers Replacement
.
Enable the SIR system. Refer to
SIR Disabling and Enabling
.
Program the new theft control module. Refer to
Control Module References
for programming and setup information.