For 1990-2009 cars only
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) . |
| • | The CKP Variation Learn--Refer to Crankshaft Position System Variation Learn in Engine Controls - 5.3L. |
| • | The Theft Deterrent Programming--Refer to Programming Theft Deterrent System Components in Theft Deterrent. |
ECM Reprogramming
If the ECM needs to be reprogrammed, refer to Service Programming System (SPS) .
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 Engine Controls - 5.3L.
| • | Engine replacement |
| • | Any engine repair that disturbs the crankshaft position (CKP) sensor or its relationship with the crankshaft reluctor wheel |
| • | CKP sensor |
