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Home >> Chevrolet >> 2021 >> Bolt EV Premier >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Diagnostic Information and Procedures >> DTC P0642, P06A6, or P06A7 >> Circuit/System Description

Circuit/System Description

For an overview of the component/system, refer to: Hydraulic Brake System Description and Operation 

Component Description
B201 Brake Control Brake Pedal Position Sensor The sensor B201 contains 2 sensors in one assembly.
K177 Brake Booster Control Module The K177 Brake Booster Control Module assembly contains the control module and motor.