Important Notice
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.
Important: You must never exchange these parts with those of another vehicle, as the numbers are tied to the vehicle identification number of the vehicle.
Removal and Installation Procedure
Follow the steps to remove and install the communication interface module, including disconnecting and reconnecting the necessary cables and connectors.
Notice: Refer to Fastener Notice in the Preface section, and ensure proper alignment of the connector to avoid damaging it.
Important: After replacing the vehicle communication interface module, you must reconfigure the OnStar@ system to avoid additional customer visits for repair.
Manual:
Download: 2004 Cadillac XLR XLR Service Manual: Vehicle Control Systems
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