ECM Replacement
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, 2007 Chevrolet RV Cutaway, and 2007 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
If the engine control module (ECM) is replaced, the following procedures must be performed:
- Capture and restore the Option data.
- Restore the Option data in the new ECM.
- Enable ECM Reprogramming-Refer to Service Programming System (SPS) .
- Start and idle vehicle.
- Using the scan tool, perform the Turbocharger Learn Procedure-Refer to Turbocharger Learn .
- If necessary, perform the following:
- Theft Deterrent-Refer to Programming Immobilizer System Components .
- The Fuel Injector Flow Rate Programming-Refer to Fuel Injector Flow Rate Programming .
- Engine Oil Life Remaining-Use scan tool to reset Engine Oil Life.
- Fuel Filter Life-Use scan tool to reset Fuel Filter Life.
IMPORTANT:
The Option data collected from the ECM that was replaced must be restored in the new ECM before programming.
IMPORTANT:
Clear any DTCs that may have set after completing the programming procedure.