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Home >> Cadillac >> 2003 >> Seville STS >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Cellular Communication System >> Repair Instructions >> Communication Interface Module Replacement >> Installation Procedure
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Installation Procedure

  1. 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 (1).
  2. Connect the antenna cable and electrical connections to the VCIM (1).
  3. Slide the VCIM (1) into the electrical component mounting bracket (3).
  4. Push in on the top of the VCIM (1) until an audible click is heard, indicating the retaining tab (2) has securely fastened the VCIM (1) to the electrical component mounting bracket (3).
    Fig 1: Identifying VCIM & Electrical Component Mounting Bracket
    G02178957Courtesy of GENERAL MOTORS CORP.
  5. Partially install the electrical component mounting bracket (1) to the vehicle body.
  6. Attach the GPS antenna cable (1) to the cross car brace.
    Fig 2: Installing GPS Antenna Cable To Cross Car Brace
    G02178958Courtesy of GENERAL MOTORS CORP.
  7. Install the electrical component mounting bracket (1) to the studs.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  8. Install the electrical component mounting bracket nuts.

    Tighten 

    Tighten the nuts (2) to 9 N.m (80 lb in).

    Fig 3: Installing Electrical Component Mounting Bracket & Nuts
    G02178959Courtesy of GENERAL MOTORS CORP.
  9. Install the rear compartment trim. Refer to BODY REAR END  in Body Rear End.
    IMPORTANT: 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.
  10. Install the scan tool. Use the special functions menu in order to perform the OnStar® setup procedure for this vehicle.
  11. Move the vehicle to an open area that is away from tall buildings and with a clear view of unobstructed sky. Allow the vehicle to run for 10 minutes.
  12. Use the ID information menu on the scan tool to access the new station ID (STID) and the electronic serial number (ESN) from the new VCIM.
  13. Press the blue OnStar® button to connect to the OnStar® Call Center and perform the following procedure:
    1. 13.1. Tell the advisor that this vehicle has received a new VCIM.
    2. 13.2. Ask the advisor to add the new STID and the ESN to update the customer's account.
    3. 13.3. Follow any additional instructions from the OnStar® advisor.
    4. 13.4. Ask the advisor to activate the OnStar® Personal Calling feature, if available.
  14. Voice recognition in the generation 4 module can NOT be changed. The default language for voice recognition in the generation 5 OnStar® module is English.
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