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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Lock Control System >> Diagnostic Information and Procedures >> DTC B270A >> Circuit/System Description

Circuit/System Description

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