Replace and Program Control Module or Reprogram Control Module

To program a replacement or an existing control module, perform the following procedure:

NOTE:

Begin with the vehicle in the vehicle OFF power mode. The Service Programming System will power mode the vehicle.

1. Ignition/Vehicle OFF
2. Access the Service Programming System (SPS) and follow the on-screen instructions.
3. In the SPS Supported Controllers screen, select K73 Telematic Control Module Programming and Service Activation and follow the on-screen instructions.
4. Clear DTCs.
5. 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.