ECM Replacement
WARNING: This page is about a different car, the 2006 Cadillac CTS. 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.
- The Theft Deterrent Programming-Refer to Programming Theft Deterrent System Components in Theft Deterrent.