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Home >> Toyota >> 2020 >> Prius XLE >> Repair and Diagnosis >> External Pages >> Different car >> Section 374 (Electronically Controlled Brake System - Diagnostic Codes (C1415-U0073) & Symptom Tests (Hybrid)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C14D5: Accumulator Pressure Sensor Stuck [04/2018 - ] >> Monitor Description

Monitor Description

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When the volume of brake fluid within the accumulator is below a certain amount, the skid control ECU (brake booster with master cylinder assembly) operates the pump motor. When the pump motor is being operated and the output value of the accumulator pressure sensor does not change substantially for a certain period of time, the skid control ECU (brake booster with master cylinder assembly) judges that the accumulator pressure sensor has a stuck malfunction and illuminates the MIL and stores this DTC.

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