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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 171 (Instrument Panel System Displays And Gauges) >> Diagnostic Information and Procedures >> DTC B283D: Global Positioning System (GPS) Antenna Failure >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

The navigation antenna requires a clear line of sight to the sky to operate properly. The GPS may have limited, intermittent, or no reception near tall buildings or inside structures.