K20 Engine Control Module Programming and Setup (LGH or LML) Engine Control Engine Control Module
The following service procedures require either a programming or a setup event performedfor a complete repair.ECM Replacement
If the engine control module (ECM) is replaced, the following procedures must be performed:
Note:Clear any DTCs that may have set after completing the programming procedure.Enable ECM Reprogramming—Refer toService Programming System (SPS).Perform the CKP Variation Learn—Refer toCrankshaft Position Reluctor Wheel Learn.Perform a Theft Deterrent Module Programming and Setup—Refer toTheft Deterrent Module Programming and Setup.Brake Pedal Position Sensor Learn—Refer toBrake Pedal Position Sensor Learn.Perform a Fuel Injector Flow Rate Programming – Refer toFuel Injector Flow Rate ProgrammingPerform a Diesel Particulate Filter (DPF) Service Regeneration Enable—Refer toDiesel Particulate Filter (DPF) Regeneration Enable.If over 14k GVW, program the engine serial number with the scan tool.ECM Reprogramming
Note:Clear any DTCs that may have set after completing the programming procedure.
Enable ECM Reprogramming—Refer toService Programming System (SPS).