ECM Replacement

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

If the engine control module (ECM) is replaced, the following procedures must be performed:

The ECM Reprogramming - Refer to Service Programming System (SPS) .
The CKP Variation Learn - Refer to CKP System Variation Learn Procedure in Engine Controls - 5.3L.
The Theft Deterrent Programming - Refer to Programming Theft Deterrent System Components in Theft Deterrent.