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.
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HOMESERVICE MANUALSCHEVROLET2023SILVERADO 1500 HIGH COUNTRY, 5.3L ENG VIN D, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESPROGRAMMING AND SETUPREPAIR INSTRUCTIONSK115 REDUCTANT CONTROL MODULE: PROGRAMMING AND SETUPUNSUCCESSFUL PROGRAMMING RECOVERY
2023 Chevrolet Silverado 1500 High Country, 5.3L Eng VIN D, 4WD
Unsuccessful Programming Recovery
2023 Chevrolet Silverado 1500 High Country, 5.3L Eng VIN D, 4WDSECTION 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
- Access SPS and follow the on-screen instructions for the control module: K115 Reductant Control Module
Verify the control module programming is successful.
- If the programming is not successful
- Ignition/Vehicle - Off - For greater than 1 min
- Ignition - On / Vehicle - In Service Mode
- Access SPS and follow the on-screen instructions for the control module: K115 Reductant Control Module
- If the programming is not successful - Replace the component: K115 Reductant Control Module
- Go to next step: If the programming is successful
- All OK.
- Go to next step: If the programming is successful
- All OK.
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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.