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Unsuccessful Programming Recovery

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

In the event of an interrupted or unsuccessful programming event, perform the following:

  1. Ignition ON. Ensure the control module, DLC, and programming tool connections are secure and the SPS software is up to date.
  2. Verify the control module can be reprogrammed.
    • If the control module cannot be programmed 
    1. Ignition OFF for 2 minutes, ignition ON.
    2. Verify the control module can be reprogrammed.
      • If the control module cannot be programmed, replace the K71 Transmission Control Module.
    • If the control module can be reprogrammed 
  3. All OK.