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HOMESERVICE MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 10 (PROGRAMMING AND SETUP - ALL SYSTEMS)REPAIR INSTRUCTIONSK71 TRANSMISSION CONTROL MODULE: PROGRAMMING AND SETUPUNSUCCESSFUL PROGRAMMING RECOVERY
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G

Unsuccessful Programming Recovery

2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION Unsuccessful Programming Recovery
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

If programming a control module is not successful, perform the following procedure:

  1. Verify the control module, data link connector and programming tool connections are secure and the tool software is up to date.
  2. Ignition - On / Vehicle - In Service Mode
  3. Access SPS and follow the on-screen instructions for the control module: K71 Transmission Control Module - Programming

    Verify the control module programming is successful.

    • If the programming is not successful 
    1. Ignition/Vehicle - Off - For greater than 2 min
    2. Ignition - On / Vehicle - In Service Mode
    3. Perform the SPS function: K71 Transmission Control Module - Programming
      • If the programming is not successful - Replace the component: K71 Transmission Control Module
      • Go to next step: If the programming is successful
    4. Select - MCVM Operations - If applicable
    5. Ignition/Vehicle - Off - For greater than 2 min
    6. Select - Setup - Follow the on-screen instructions.

      If setup is not an available option - Perform the appropriate learn/reset procedure with the scan tool

    7. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to No.
    8. All OK.
    • Go to next step: If the programming is successful 
  4. Select - MCVM Operations - If applicable
  5. Ignition/Vehicle - Off - For greater than 2 min
  6. Select - Setup - Follow the on-screen instructions.

    If setup is not an available option - Perform the appropriate learn/reset procedure with the scan tool

  7. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to No.
  8. 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.