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Home >> GMC >> 2013 >> Sierra 1500 XFE >> Repair and Diagnosis >> External Pages >> Different car >> Section 1839 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B2462 (Communication Interface Module) >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2011 GMC Sierra, 2011 GMC Cab & Chassis Sierra, 2011 Chevrolet Silverado, and 2011 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The vehicle communications interface module (VCIM) receives information from the cellular and navigation antenna located on the outside of the vehicle. The cellular and navigation antenna is connected to the telematics communication interface control module via a shielded coaxial cable. The antenna cable also provides a path for DC current for powering the cellular and navigation antenna.

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