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Home >> Lexus >> 2022 >> LS 500h RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Advanced Park) - Diagnostic Codes (2 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Advanced Park) >> DTC C1341: Hydraulic System Malfunction (FR); DTC C1342: Hydraulic System Malfunction (FL); DTC C1343: Hydraulic System Malfunction (RR); DTC C1344: Hydraulic System Malfunction (RL) [10/2020 - 10/2023] >> Component Operating Range

Component Operating Range

C14A8

All of the following conditions are met -
Front wheel cylinder pressure sensor LH fail Not detected
Front wheel brake LH On
ABS operation Off
Accumulator pressure sensor fail Not detected
Brake pressure control solenoid open current learning Complete
Front wheel cylinder pressure sensor LH 0.5 MPa (5.1 kgf/cm2 , 73 psi) or more
Malfunction criteria Not met
C14A9

All of the following conditions are met -
Front wheel cylinder pressure sensor LH fail Not detected
Front wheel brake LH On
ABS operation Off
Accumulator pressure sensor fail Not detected
Brake pressure control solenoid open current learning Complete
Front wheel cylinder pressure sensor LH decreases after brake pressure control solenoid (SLRFL) on 0.5 MPa (5.1 kgf/cm2 , 73 psi) or more
Malfunction criteria Not met
C14AA

All of the following conditions are met -
Front wheel cylinder pressure sensor RH fail Not detected
Front wheel brake RH On
ABS operation Off
Accumulator pressure sensor fail Not detected
Brake pressure control solenoid open current learning Complete
Front wheel cylinder pressure sensor RH 0.5 MPa (5.1 kgf/cm2 , 73 psi) or more
Malfunction criteria Not met
C14AB

All of the following conditions are met -
Front wheel cylinder pressure sensor RH fail Not detected
Front wheel brake RH On
ABS operation Off
Accumulator pressure sensor fail Not detected
Brake pressure control solenoid open current learning Complete
Front wheel cylinder pressure sensor RH decreases after brake pressure control solenoid (SLRFR) on 0.5 MPa (5.1 kgf/cm2 , 73 psi) or more
Malfunction criteria Not met
C14AC

All of the following conditions are met -
Rear wheel cylinder pressure sensor LH fail Not detected
Rear wheel brake LH On
ABS operation Off
Accumulator pressure sensor fail Not detected
Brake pressure control solenoid open current learning Complete
Rear wheel cylinder pressure sensor LH 0.5 MPa (5.1 kgf/cm2 , 73 psi) or more
Malfunction criteria Not met
C14AD

All of the following conditions are met -
Rear wheel cylinder pressure sensor LH fail Not detected
Rear wheel brake LH On
ABS operation Off
Accumulator pressure sensor fail Not detected
Brake pressure control solenoid open current learning Complete
Rear wheel cylinder pressure sensor LH decreases after brake pressure control solenoid (SLRRL) on 0.5 MPa (5.1 kgf/cm2 , 73 psi) or more
Malfunction criteria Not met
C14AE

All of the following conditions are met -
Rear wheel cylinder pressure sensor RH fail Not detected
Rear wheel brake RH On
ABS operation Off
Accumulator pressure sensor fail Not detected
Brake pressure control solenoid open current learning Complete
Rear wheel cylinder pressure sensor RH 0.5 MPa (5.1 kgf/cm2 , 73 psi) or more
Malfunction criteria Not met
C14AF

All of the following conditions are met -
Rear wheel cylinder pressure sensor RH fail Not detected
Rear wheel brake RH On
ABS operation Off
Accumulator pressure sensor fail Not detected
Brake pressure control solenoid open current learning Complete
Rear wheel cylinder pressure sensor RH decreases after brake pressure control solenoid (SLRRR) on 0.5 MPa (5.1 kgf/cm2 , 73 psi) or more
Malfunction criteria Not met