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Home >> Buick >> 2016 >> Envision >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Object Detection System) >> Diagnostic Information and Procedures >> DTC B356A: Vehicle Direction Warning Switch Circuit Short to Ground >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2016 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.

The Vehicle Direction Warning Switch DTC detects a short to ground on the circuit that contains the lane departure warning switch. The lane departure warning feature is enabled and disabled through the lane departure switch. When enabled, the frontview camera module will illuminate the indicator located in the switch.

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