Replace and Program Control Module

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

1. Ignition / Vehicle OFF.
2. Access the Service Programming System (SPS) and follow the on-screen instructions.
3. Check and follow Preliminary Information or Technical Service Bulletins before programming. If control module software updates are available, in the SPS Supported Controllers screen, select K73 - Software Update and follow the on-screen instructions.
   NOTE:

   Refer to and follow the Preliminary Information or Service Bulletin to successfully program this control module.

4. To properly calibrate, activate and configure the control module, in the SPS Supported Controllers screen, select K73 Telematic Control Module - Programming and Service Activation and follow the on-screen instructions.
5. Clear DTCs.
6. Ignition / Vehicle ON.
7. Press the OnStar® Blue Button to call OnStar®, inform the advisor a new module has been installed and to verify the module is fully configured, registered, and activated.
NOTE:

An OnStar® button press to the OnStar® call center is required to complete the module replacement procedure.