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HOMESERVICE MANUALSCHEVROLET2025EQUINOX RS, FWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 55 (PROGRAMMING AND SETUP - ALL SYSTEMS)REPAIR INSTRUCTIONSK20 ENGINE CONTROL MODULE: PROGRAMMING AND SETUPUNSUCCESSFUL PROGRAMMING RECOVERY
2025 Chevrolet Equinox RS, FWD

Unsuccessful Programming Recovery

2025 Chevrolet Equinox RS, FWDSECTION Unsuccessful Programming Recovery
WARNING: This page is about a different car, the 2024 GMC Terrain and 2024 Chevrolet Equinox. 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. 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.
  4. Verify the control module programming is successful.
    • If the programming is not successful 
    1. Ignition/Vehicle - Off - For greater than 1 min
    2. Ignition - On / Vehicle - In Service Mode
    3. 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.
      • If the programming is not successfulReplace the appropriate component: K20 Engine Control ModuleorK71 Transmission Control Module
      • Go to next step: If the programming is successful
    4. All OK.
    • Go to next step: If the programming is successful 
  5. 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.