Unsuccessful Programming Recovery

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. 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:

Verify the control module, data link connector and programming tool connections are secure and the tool software is up to date.
Ignition - On/Vehicle - In Service Mode
Access SPS and follow the on-screen instructions for the control module: K71 Transmission Control Module - Programming
Verify the control module programming is successful.
- If the programming is not successful
1. Ignition/Vehicle - Off - For greater than 2 min
2. Ignition - On/Vehicle - In Service Mode
3. Perform the SPS function: K71 Transmission Control Module - Programming
  - If the programming is not successful - Replace the component: K71 Transmission Control Module
  - Go to next step: If the programming is successful
4. Select - MCVM Operations - If applicable
5. Ignition/Vehicle - Off - For greater than 2 min
6. Select - Setup - Follow the on-screen instructions.
  If setup is not an available option - Perform the appropriate learn/reset procedure with the scan tool
7. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to No.
8. All OK.
- Go to next step: If the programming is successful
Select - MCVM Operations - If applicable
Ignition/Vehicle - Off - For greater than 2 min
Select - Setup - Follow the on-screen instructions.
If setup is not an available option - Perform the appropriate learn/reset procedure with the scan tool
Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to No.
All OK.