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Home >> Isuzu >> 2003 >> Ascender 5.3 P, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Cellular Communication System) >> Repair Instructions >> Communication Interface Module Replacement (LWB) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Isuzu Ascender. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: 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.
  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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