ECM Replacement
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. 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:
- The ECM Reprogramming-Refer to Service Programming System (SPS) .
- The CKP Variation Learn-Refer to Crankshaft Position System Variation Learn , for the 4.8L, 5.3L, 6.0L or 6.2L and Crankshaft Position System Variation Learn for the 6.0L Hybrid.
- The Throttle/Idle Learn procedure-Refer to the following:
- Throttle/Idle Learn for the 4.8L, 5.3L, 6.0L or 6.2L
- Throttle/Idle Learn for the 6.0L Hybrid
- The Theft Deterrent Programming-Refer to Theft Deterrent Module Programming and Setup .
- Brake Pedal Position Sensor Learn-Refer to Brake Pedal Position Sensor Learn .
- The Fuel Composition Diagnostic, as necessary-Refer to Fuel Composition Diagnosis .
- 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.