Replace and Program Control Module or Reprogram Control Module

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

1. Access the Service Programming System (SPS) and follow the on-screen instructions.
2. In the SPS Supported Controllers screen, select K73 Telematics Communication Interface Control Module Programming and Service Activation and follow the on-screen instructions.
3. Perform the Manufacturers Enabled Counter (MEC) reset - Access the Global Diagnostic System 2 (GDS 2) and identify the vehicle.
4. On the GDS 2 screen select Module Diagnostics - K73 Telematics Communication Interface Module - Configuration/reset functions - Reset Manufacturer Enabled Counter and follow the on-screen instructions.
5. Clear DTCs.
6. Press the OnStar® Blue Button to call OnStar® and have the system activated.