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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) >> Installation Procedure

Installation 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.
  1. If replacing the VCIM, record the 10-digit STID number, and the 11-digit ESN number from the labels on the new module.
  2. Position the VCIM near the mounting location.
    3. Fig 1: VCIM Quick Connector
    GM828622Courtesy of GENERAL MOTORS CORP.
  3. Install the quick connector to the VCIM.
    4. Fig 2: Vehicle Communication Interface Module (VCIM)
    GM822397Courtesy of GENERAL MOTORS CORP.
  4. Install the remaining electrical connectors to the VCIM.
  5. Install the VCIM (1) to the bracket.
    6. Fig 3: VCIM Retaining Tab
    GM829399Courtesy of GENERAL MOTORS CORP.
  6. Ensure that the retaining tab (1) is fully seated.
    7. Fig 4: Protective Cover Removed From (VCIM)
    GM822398Courtesy of GENERAL MOTORS CORP.
  7. Install the protective cover (1) to the module.
  8. Position the right second row seat to a passenger position.
    9. 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.
  9. Reconfigure the OnStar® system. Refer to OnStar Reconfiguration .
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