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Home >> GMC >> 2007 >> Acadia SLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 404 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B0001 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2007 Cadillac XLR. However, it is still accessible from the selected car via links, so may be relevant.

The navigation radio receives the vehicle speed signal from the engine control module (ECM) through a dedicated circuit shared with the instrument cluster.

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