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Communication Interface Module Replacement

NOTE:
  • It is critical to use the service replacement telematics communication interface control module only in the vehicle for which it was ordered.
  • Failure to perform the following procedures could result in DTC(s) being set.
  • Perform the following procedure only once. Repeat attempts of the procedure may result in a delay of the activation process.
  1. Install EL-49642  SPS programming support tool.
  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. On the SPS Supported Controllers screen, select ONSU Onstar® Module Setup and Service Activation and follow the on-screen instructions.
  4. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
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