ECM Replacement
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. 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 the Option data.
- Enable ECM Reprogramming-Refer to Service Programming System (SPS) .
- Restore the Option data in the new ECM.
- Start and idle vehicle.
- Using the scan tool, perform the Turbocharger Learn Procedure. Refer to Turbocharger Learn .
- Perform a DPF Regeneration Enable. Refer to Exhaust Particulate Filter Cleaning (LMM DPF Regeneration Enable) or Exhaust Particulate Filter Cleaning (LMM DPF Service Regeneration) .
- If necessary, perform the following:
- Theft Deterrent-Refer to Theft Deterrent Control Module Programming and Setup .
- 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:
Clear any DTCs that may have set after completing the programming procedure.