ECM Replacement

If the engine control module (ECM) is replaced, the following procedures must be performed:

1. The ECM Reprogramming-Refer to Service Programming System (SPS) .
2. 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.
3. 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
4. The Theft Deterrent Programming-Refer to Theft Deterrent Module Programming and Setup .
5. Brake Pedal Position Sensor Learn-Refer to Brake Pedal Position Sensor Learn .
6. The Fuel Composition Diagnostic, as necessary-Refer to Fuel Composition Diagnosis .
7. 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.
8. 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.