ECM Replacement
WARNING: This page is about a different car, the 2012 GMC Sierra, 2012 GMC Cab & Chassis Sierra, 2012 Chevrolet Silverado, and 2012 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:
- Enable ECM Reprogramming-Refer to Service Programming System (SPS) .
- Perform the CKP Variation Learn-Refer to Crankshaft Position Reluctor Wheel Learn .
- Perform a Theft Deterrent Module Programming and Setup-Refer to Theft Deterrent Module Programming and Setup .
- Brake Pedal Position Sensor Learn-Refer to Brake Pedal Position Sensor Learn .
- Perform a Fuel Injector Flow Rate Programming - Refer to Fuel Injector Flow Rate Programming
- Perform a Diesel Particulate Filter (DPF) Service Regeneration Enable-Refer to Diesel Particulate Filter (DPF) Regeneration Enable .
NOTE:
Clear any DTCs that may have set after completing the programming procedure.