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Home >> Cadillac >> 2011 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 633 (Cellular Communication System) >> Diagnostic Information and Procedures >> DTC B2483 or B2484: VCIM Does Not Detect A Navigation Signal >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The navigation portion of the Cellular and Navigation Antenna is connected to the Vehicle Communication Interface Module with a RG-174 coax cable. The Vehicle Communication Interface Module polls the data from the antenna once every second.

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