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Home >> Lexus >> 2022 >> LS 500h RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Advanced Park) - Diagnostic Codes (2 Of 5) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Advanced Park) >> DTC C05A1-28: Brake Pressure Sensor "E" Signal Bias Level Out of Range / Zero Adjustment Failure [11/2021 - 10/2023] >> Monitor Description

Monitor Description

When the brake pedal is not operated and the servo pressure sensor output value exceeds a specific value, or the value is less than a specific value for a certain amount of time, the No. 2 skid control ECU (brake actuator assembly) judges that the zero point of the servo pressure sensor is abnormal and illuminates the MIL and stores this DTC.