Engine Control Module Programming and Setup

Engine Control Module Programming and Setup

The following service procedures require either a programming or a setup event be performed for a complete repair.

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). Programming and Relearning
* The CKP Variation Learn-Refer to Crankshaft Position System Variation Learn in Computers and Control Systems - 5.3L.
* The Immobilizer Programming-Refer to Programming Immobilizer System Components. Programming and Relearning

ECM Reprogramming

If the ECM needs to be reprogrammed, refer to Service Programming System (SPS). Programming and Relearning

Setup for Component Replacement

The replacement of some components will require a setup procedure for complete repair.

If any of the following components are replaced, a CKP Variation Learn Procedure must be performed. Refer to Crankshaft Position System Variation Learn in Computers and Control Systems - 5.3L.

* Engine replacement
* Any engine repair that disturbs the crankshaft position (CKP) sensor or its relationship with the crankshaft reluctor wheel
* CKP sensor