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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 327 (Instrument Panel System Displays And Gauges) >> Diagnostic Information and Procedures >> DTC B0931: Compass Circuit >> Circuit/System Description

Circuit/System Description

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

The compass module uses low-field magnetic sensing to sense vehicle directional and heading information.

For an overview of the component/system, refer to:Instrument Cluster Description and Operation 

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