Programming Theft Deterrent System Components

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: This procedure has to be performed only for vehicles equipped with Passlock System.

Perform the PROGRAMMING THEFT DETERRENT SYSTEM COMPONENTS in Theft Deterrent after successfully finishing the Setup New BCM procedure. If the PROGRAMMING THEFT DETERRENT SYSTEM COMPONENTS in the Theft Deterrent procedure is not performed after a BCM replacement, one of the following conditions will occur:

The vehicle will not be protected against theft by the PASSLOCK system.
The engine will not crank nor start.