ECM Replacement
WARNING: This page is about a different car, the 2011 GMC Savana and 2011 Chevrolet Chevy Express. 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:
- Enable ECM Reprogramming-Refer to Service Programming System (SPS) .
- Perform a Theft Deterrent Module Programming and Setup-Refer to Theft Deterrent Module Programming and Setup .
- Perform a Fuel Injector Flow Rate Programming - Refer to Fuel Injector Flow Rate Programming
- Perform a Diesel Particulate Filter (DPF) Service Regeneration-Refer to Diesel Particulate Filter (DPF) Service Regeneration .
NOTE:
Clear any DTCs that may have set after completing the programming procedure.