Unsuccessful Programming Recovery
WARNING: This page is about a different car, the 2021 GMC Acadia. 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:
- Ignition ON. Ensure the control module, DLC, and programming tool connections are secure and the SPS software is up to date.
- Verify the control module can be reprogrammed.
- If the control module cannot be programmed
- Ignition OFF for 2 minutes, ignition ON.
- Verify the control module can be reprogrammed.
- If the control module cannot be programmed, replace the K71 Transmission Control Module.
- Go to next step: If the control module can be reprogrammed
- All OK.