Replace and Program Control Module

WARNING: This page is about a different variant/trim than selected.

To program a replacement 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.

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.