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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Driver Assistance Systems) >> Diagnostic Information and Procedures >> DTC B390A >> Circuit/System Description

Circuit/System Description

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

The radar sensor module - short range performs internal fault detection on itself.

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