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:
- ECM Reprogramming-Refer to Service Programming System (SPS) .
- Crankshaft Position (CKP) Variation Learn-Refer to Crankshaft Position System Variation Learn , for the V6, Crankshaft Position System Variation Learn , for the V8, or Crankshaft Position System Variation Learn for the Hybrid.
- Theft Deterrent Programming-Refer to Theft Deterrent Module Programming and Setup .
- Brake Pedal Position Sensor Learn-Refer to Brake Pedal Position Sensor Learn .
- Fuel Composition Diagnostic-Refer to Fuel Composition Diagnosis for the 5.3L (LMG or LC9).
- Throttle Learn procedure-Refer to Throttle/Idle Learn , for the V6, Throttle/Idle Learn , for the V8, or Throttle/Idle Learn for the Hybrid.
- Engine Oil Life Remaining-When available, use a scan tool to reset the Engine Oil Life Remaining back to the original percentage recorded before the module was replaced.
- Transmission Fluid Life Remaining-When available, use a scan tool to reset the Transmission Fluid Life Remaining back to the original percentage recorded before the module was replaced.