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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 111 (Shift Lock Control System) >> Diagnostic Information and Procedures >> DTC B270A >> 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.

For an overview of the component/system, refer to: Automatic Transmission Shift Lock Control Description and Operation 

Circuit Description
Control The output circuit is switched to 12 V to activate the component.
Ground Chassis Ground
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