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Home >> Buick >> 2020 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> No Global Positioning System (GPS) Reception (without IO5/IO6) >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

The Telematics Communication Interface Control Module receives information from the GPS antenna located on the outside of the vehicle. The GPS antenna is connected to the Telematics Communication Interface Control Module via a shielded coaxial cable. The telematics communication interface control module supplies 5 V through the coax cable to power the internal antenna amplifier.

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