Replace and Program Control Module or Reprogram Control Module
WARNING: This page is about a different car, the 2024 Chevrolet Silverado 3500 HD and 2024 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
To program a replacement or an existing control module, perform the following procedure:
- Ignition/Vehicle OFF
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- In the SPS Supported Controllers screen, select K73 Telematic Control Module Programming and Service Activation and follow the on-screen instructions.
- Clear DTCs.
- Inform the customer to press the OnStar® Blue Button to call OnStar® and inform the advisor the module has been replaced and the system needs to be activated if subscription is active.
NOTE:
Begin with the vehicle in the vehicle OFF power mode. The Service Programming System will power mode the vehicle.