PCM Replacement

If the PCM is replaced, the following procedures must be performed:

1. The PCM Reprogramming-Refer to Service Programming System (SPS) .
2. The CKP Variation Learn-Refer to the appropriate procedure:
   • CKP System Variation Learn Procedure (4.3L (LU3)).
   • CKP System Variation Learn Procedure (4.8L, 5.3L, 6.0L (LR4, LM7, LQ4, LQ9, or L59)).
   • CKP System Variation Learn Procedure (8.1L (L18)).
3. The Theft Deterrent Programming-Refer to Programming Theft Deterrent System Components .