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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Electronically Controlled Brake System (HV) - Diagnostic Codes (05 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C0540-17: Brake Pressure Sensor "A" Circuit Voltage Above Threshold [12/2019 - ] >> Monitor Description

Monitor Description

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When the value of the master cylinder pressure sensor is more than a certain value for a certain amount of time, the No. 2 skid control ECU (brake actuator assembly) judges that the master cylinder pressure sensor zero point is abnormal, and illuminates the MIL and stores this DTC.

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