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Home >> Lexus >> 2022 >> LS 500h AWD >> 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] >> Monitor Strategy

Monitor Strategy

Related DTCs C14A8, C14AA, C14AC, C14AE: Brake pressure too low
C14A9, C14AB, C14AD, C14AF: Brake pressure too high
Required Sensors/Components (Main) Skid control ECU assembly
Brake actuator assembly
Required Sensors/Components (Related) Speed sensor
Stop light switch assembly
Skid control ECU assembly
Brake actuator assembly
Brake pedal stroke sensor assembly
Frequency of Operation Continuous: C14A8, C14A9, C14AA, C14AB, C14AC, C14AD, C14AE, C14AF
Duration Within 1 second: C14A8, 14A9, C14AA, C14AB
3 seconds: C14AC, C14AD, C14AE, C14AF
MIL Operation Immediately
Sequence of Operation None