2021 Chevrolet Traverse Premier, FWDFACTORY OEM SERVICE PROCEDURE

Unsuccessful Programming Recovery

WARNING: This page is about a different car, the 2020 Cadillac CT4. 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. Perform the SPS function:K69 Transfer Case Control Module - Programming

    Verify the control module programming is successful.

    • If the programming is not successful 
    1. Disconnect the battery.
    2. Wait 60 s before proceeding to the next step.
    3. Connect the battery.
    4. Perform the SPS function:K69 Transfer Case Control Module - Programming
      • If the programming is not successful - Replace the component:K69 Transfer Case Control Module
      • Go to next step: If the programming is successful
    5. Perform the scan tool configuration/reset function:Transfer Case Clutch Identifier
    6. Clear DTCs.
    7. All OK.
    • Go to next step: If the programming is successful 
  3. Perform the scan tool configuration/reset function:Transfer Case Clutch Identifier
  4. Clear DTCs.
  5. All OK.
Chapter Navigation
Return to Chapter: K69 Transfer Case Control Module: Programming and Setup
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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.