ECM Replacement

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

1. The ECM Reprogramming-Refer to Service Programming System (SPS) .
2. The CKP Variation Learn-Refer to the appropriate procedure:
   • CKP System Variation Learn Procedure for the 6.0L (LS2) engine.
   • CKP System Variation Learn Procedure for the 7.0L (LS7) engine.
3. The Theft Deterrent Programming-Refer to Programming Theft Deterrent System Components (Domestic, Canada, and Japan) or Programming Theft Deterrent System Components (Export ) .