Reprogram Control Module
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 GMC Sierra 3500 HD, 2016 GMC Sierra 2500 HD, 2016 GMC Sierra 1500, 2016 Chevrolet Silverado 3500 HD, and 2016 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
To reprogram an existing K20 Engine Control Module, perform the following procedure:
- Install EL-49642 SPS programming support tool.
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- Perform one of the following SPS Programming functions:NOTE:
If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.
- K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
- K20 Engine Control Module and follow on-screen instructions.
- Clear DTCs after completing the Programming procedure.
- Perform one of the following SPS Setup functions:
- K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
- K20 Engine Control Module and follow on-screen instructions.
- Clear DTCs after completing the Setup procedure.
NOTE:
If vehicle fails to start during Configuration and Setup, perform the SPS Function Immobilizer Learn and follow the on-screen instructions.
NOTE:
If both controller options below are listed, select K20 Engine Control Module.