Unsuccessful Programming Recovery

WARNING: This page is about a different car, the 2020 Chevrolet Silverado 1500. 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 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 SPS function:K69 Transfer Case Control Module - Setup
  - Go to next step: If the programming is successful
4. Perform the SPS function:K69 Transfer Case Control Module - Setup
  - If the procedure was not successful
  1. Replace the component: A16 Transfer Case Motor
  2. Perform the SPS function:K69 Transfer Case Control Module - Setup
  - Go to next step: If the procedure was successful
5. Perform the scan tool function:Range Actuator Learn
  Refer to:Transfer Case Range Actuator Learn
6. All OK.
- Go to next step: If the programming is successful
Perform the SPS function:K69 Transfer Case Control Module - Setup
Clear DTCs.
Perform the scan tool function:Range Actuator Learn
Refer to:Transfer Case Range Actuator Learn
All OK.