Unsuccessful Programming Recovery

WARNING: This page is about a different car, the 2023 GMC Hummer EV. 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.
Perform the following SPS Programming function:
K16/K16B Battery Energy Control Modules and follow the on-screen instructions.
Verify the control module programming is successful.
- If the programming is not successful
1. Vehicle Off. Wait for greater than 1 min.
2. Vehicle OnService Mode
3. Perform the following SPS Programming function:
  K16/K16B Battery Energy Control Modules and follow the on-screen instructions.
  - If the programming is not successful Replace the appropriate component: K16 Battery Energy Control Module or K16B Battery Energy Control Module 2
  - Go to next step: If the programming is successful
4. All OK.
- Go to next step: If the programming is successful
All OK.