Unsuccessful Programming Recovery

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 GMC Sierra 3500 HD, 2016 GMC Sierra 2500 HD, 2016 GMC Sierra 1500, 2016 Chevrolet Silverado 3500 HD, and 2016 Chevrolet Silverado 2500 HD. 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 SPS software is up to date.
Ignition - On / Vehicle - In Service Mode
Perform the SPS function:K69 Transfer Case Control Module-Programming
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 the SPS function:K69 Transfer Case Control Module-Programming
  - If the programming is not successful - Replace the component: K69 Transfer Case Control Module
  1. Replace the component: K69 Transfer Case Control Module
  2. Perform the scan tool configuration/reset function:Range Actuator Learn
  - If the programming is successful
4. Perform the scan tool configuration/reset function:Range Actuator Learn
  - If the scan tool procedure was not successful
  1. Replace the component: A16 Transfer Case Motor
  2. Perform the scan tool configuration/reset function:Range Actuator Learn
  - If the scan tool procedure was successful
5. All OK.
- If the programming is successful
Perform the scan tool configuration/reset function:Range Actuator Learn
All OK.