2009 Chevrolet Traverse LS, AWDFACTORY OEM SERVICE PROCEDURE

Communication Interface Module Replacement

WARNING: This page is about a different car, the 2010 Saturn Outlook, 2010 GMC Acadia, 2010 Chevrolet Traverse, and 2010 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Communication Interface Module
GM1847143Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedure: 
Remove the left rear quarter lower trim panel. Refer to Quarter Lower Rear Trim Panel Replacement (Acadia/OUTLOOK with TB4) or Quarter Lower Rear Trim Panel Replacement (Acadia/OUTLOOK with TB5) or Quarter Lower Rear Trim Panel Replacement (Enclave with TB4) or Quarter Lower Rear Trim Panel Replacement (Enclave with TB5) or Quarter Lower Rear Trim Panel Replacement (Traverse with TB4) or Quarter Lower Rear Trim Panel Replacement (Traverse with TB5) .
1 Communication Interface Module

Procedure

  1. Disconnect the electrical connectors.
  2. When replacing the communication interface module be sure to transfer Bluetooth Antenna, if equipped.
  3. Reprogram the communication interface module if replaced. Refer to Control Module References .
  4. When replacing the VCIM, record the 11-digit electronic serial number (ESN) and the 10-digit station identification (STID) number from the label on the new VCIM.

Tip: 
  • The vehicle communication interface module (VCIM) has a specific set of unique numbers that tie the module to each vehicle. These numbers, the 10-digit station identification and the 11-digit electronic serial number, are used by the National Cellular Network and OnStar® to identify the specific vehicle. Because these numbers are tied to the vehicle identification number of the vehicle, you must never exchange these parts with those of another vehicle.
  • After replacing the vehicle communication interface module, you must reconfigure the OnStar® system. Failure to reconfigure the system will result in an additional customer visit for repair. In addition, pressing and holding the white dot button on the keypad will NOT reset this version of the OnStar® system. This action will cause a DTC to set.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.