ECM Replacement
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 GMC Sierra 3500 HD, 2013 GMC Sierra 2500 HD, 2013 GMC Sierra 1500, 2013 Chevrolet Silverado 3500 HD, and 2013 Chevrolet Silverado 2500 HD. 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 Q38 Throttle Body: Throttle/Idle Learn , for the V6, Q38 Throttle Body: Throttle/Idle Learn , for the V8, or Q38 Throttle Body: 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.