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Home >> Chevrolet >> 2004 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 733 (Cellular System, Entertainment System, And Navigation System) >> Repair Instructions >> Communication Interface Module Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2008 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of VCIM Antenna, Electrical Connections & Bolts
    GM890427Courtesy of GENERAL MOTORS CORP.
  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 (4).
  2. Position the VCIM in the vehicle.
  3. NOTE: Refer to Fastener Notice .
  4. Install the bolts (1).

    Tighten:  Tighten the bolts (1) to 4 N.m (36 lb in).

  5. Connect the antenna cable (2) and electrical connections (3) to the VCIM (4).
  6. Install the rear compartment trim. Refer to Rear Compartment Trim Panel Replacement .
  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 Control Module References for programming and setup information.