Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Unsuccessful Programming Recovery
If programming a control module is not successful, perform the following procedure:
- Verify the control module, data link connector and programming tool connections are secure and the tool software is up to date.
- Ignition - On / Vehicle - In Service Mode
- 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.
- K71 Transmission Control Module and follow on-screen instructions.
- Verify the control module programming is successful.
- If the programming is not successful - Replace the component: K71 Transmission Control Module
- Go to next step: If the programming is successful
- Select - MCVM Operations - If applicable
- Ignition/Vehicle - Off - For greater than 2 min
- Select - Setup - Follow the on-screen instructions.
If setup is not an available option - Perform the appropriate learn/reset procedure with the scan tool
- Go to next step: If the programming is successful
- Select - MCVM Operations - If applicable
- Ignition/Vehicle - Off - For greater than 2 min
- Select - Setup - Follow the on-screen instructions.
If setup is not an available option - Perform the appropriate learn/reset procedure with the scan tool
- Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to No.
- All OK.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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