Unsuccessful Programming Recovery
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 GMC Yukon XL, 2020 GMC Yukon, 2020 Chevrolet Tahoe, 2020 Chevrolet Suburban, and 2020 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 steps:
- 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 reprogrammed
- Ignition OFF for one minute, ignition ON.
- Verify the control module can be reprogrammed.
- If the control module cannot be reprogrammed, replace the control module.
- Go to next step: If the control module can be reprogrammed.
- All OK.
- Go to next step: If the control module can be reprogrammed
- All OK.