Reprogram Control Module
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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:
- 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.
- Perform the following SPS function:
- SetupNOTE:
If both controller options below are listed, select K20 Engine Control Module.
- K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
- K20 Engine Control Module and follow on-screen instructions.
- Configuration - If applicable
- Setup
- Clear DTCs.
NOTE:
If vehicle fails to start during Configuration and Setup, perform the SPS Function Immobilizer Learn and follow the on-screen instructions.