ECM Replacement

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.