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Home >> Lexus >> 2022 >> UX 250h Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Diagnostic Codes) (2 Of 4) (Hybrid) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1403: Malfunction in Rear Speed Sensor RH Circuit; DTC C1404: Malfunction in Rear Speed Sensor LH Circuit [10/2018 - ] >> Monitor Strategy

Monitor Strategy

Related DTCs C050D (Case 1): Speed sensor range/performance
C050D (Case 2): Speed sensor range/performance
C0513 (Case 1): Speed sensor range/performance
C0513 (Case 2): Speed sensor range/performance
C140D: 2 wheel speed sensors malfunction
C140E: 2 wheel speed sensors malfunction
Required Sensors/Components(Main) Speed sensor
Speed sensor rotor
Required Sensors/Components(Related) Stop light switch assembly
Parking brake switch assembly
Brake actuator (brake booster with master cylinder assembly)
Speed sensor
Frequency of Operation Continuous
Duration 1 second: C050D (Case 2) and C0513 (Case 2)
15 seconds: C050D (Case 1), C0513 (Case 1), C140D and C140E
MIL Operation Immediately
Sequence of Operation None
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