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Home >> Subaru >> 2021 >> Crosstrek Limited >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Electric Brake Booster System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC C1B1F Solenoid Valve 1 Stuck >> General Description >> Diagnostic Method

Diagnostic Method

Pressure-increasing linear solenoid valve malfunction (stuck, etc.)

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Increasing Amount of Servo Pressure 0.1 MPa or less

Time needed for diagnosis:  1.1 s

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.