Unsuccessful Programming Recovery

WARNING: This page is about a different car, the 2017 GMC Acadia Limited, 2017 Chevrolet Traverse, and 2017 Buick Enclave. 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
Perform one of the following SPS Programming functions:
NOTE:
If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.
- K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
- K20 Engine Control Module and follow on-screen instructions.
Verify the control module programming is successful.
- If the programming is not successful
1. Ignition/Vehicle - Off - For greater than 1 min
2. Ignition - On / Vehicle - In Service Mode
3. Perform one of the following SPS Programming functions:
  NOTE:
  If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.
  - K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
  - K20 Engine Control Module and follow on-screen instructions.
  - If the programming is not successfulReplace the appropriate component:K20 Engine Control ModuleorK71 Transmission Control Module
  - If the programming is successful
4. All OK.
- If the programming is successful
All OK..