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Home >> Cadillac >> 2006 >> XLR Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Cellular Communication System) >> Repair Instructions >> Communication Interface Module Replacement >> Installation procedure
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Installation procedure

WARNING: This page is about a different car, the 2004 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  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.
  2. Reconnect the electrical connectors the module.
  3. Fig 1: View Of Communication Interface Module Electrical Connectors
    GM1211090Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the module onto the vehicle.

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

  5. Fig 2: View Of Communication Interface Module
    GM1210957Courtesy of GENERAL MOTORS CORP.
  6. Install the right rear body side trim. Refer to Trim Panel Replacement - Body Side Rear in Interior Trim.
  7. 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.
  8. Reconfigure the OnStar® system. Refer to OnStar Reconfiguration .