Reprogram Control Module
To reprogram an existing K20 Engine Control Module, perform the following procedure:
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- Perform one of the following SPS Programming functions:
- K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
- K20 Engine Control Module and follow on-screen instructions.
NOTE:If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.
- Clear DTCs after completing the Programming procedure.
- If equipped, perform the Fuel Pressure Regulator Learn via GDS2, Engine Control Module, Configuration/Reset Functions, Learn Functions.
- Clear DTCs.