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Home >> Oldsmobile >> 2004 >> Bravada AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1733 (Cellular Communication System) >> Repair Instructions >> Communication Interface Module Replacement (TrailBlazer EXT, Envoy XL) >> Removal Procedure
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Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: Do not exchange the vehicle communication interface module with other vehicles. Each vehicle communication interface module has a specific station identification (STID) and electronic serial number (ESN). These identification numbers are stored in the General Motors vehicle history files by VIN and used by OnStar® and the National Cellular Telephone Network.
  1. Fold and tumble the right second row seat to a cargo position.
    2. Fig 1: Protective Cover Removed From (VCIM)
    GM822398Courtesy of GENERAL MOTORS CORP.
  2. Remove the protective cover (1) from the vehicle communication interface module (VCIM).
    3. Fig 2: VCIM Retaining Tab
    GM829399Courtesy of GENERAL MOTORS CORP.
  3. Remove the VCIM from the bracket by releasing the retaining tab (1).
  4. Remove the electrical connectors from the VCIM.
  5. Remove the VCIM from the vehicle.
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