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Home >> Lexus >> 2021 >> LS 500h RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Advanced Park) - Diagnostic Codes (1 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Advanced Park) >> DTC C1247: Stroke Sensor; DTC C1392: Zero Point Calibration of Stroke Sensor undone [10/2020 - 10/2023] >> Monitor Strategy

Monitor Strategy

HINT: 

SAE code only.

Related DTCs C0562: Brake pedal stroke sensor assembly voltage circuit/open
C124B: Brake pedal stroke sensor assembly invalid data
C1392: Brake pedal stroke sensor assembly learning not complete
P057C: Brake pedal stroke sensor assembly sensor 1 open circuit
P057D: Brake pedal stroke sensor assembly sensor 1 circuit high
P057E: Brake pedal stroke sensor assembly sensor 1 intermittent/erratic
P05DD: Brake pedal stroke sensor assembly sensor 2 open circuit
P05DE: Brake pedal stroke sensor assembly sensor 2 circuit high
P05DF: Brake pedal stroke sensor assembly sensor 2 intermittent/erratic
P05E0: Brake pedal stroke sensor assembly "A"/"B" correlation
Required Sensors/Components (Main) Brake pedal stroke sensor assembly
Skid control ECU assembly
Required Sensors/Components (Related) Skid control ECU assembly
Brake pedal stroke sensor assembly
Speed sensor
Frequency of Operation Continuous
Duration -: C0562, C1392, P057C, P057D, P057E, P05DD, P05DE and P05DF
Within 1 second: C124B and P05E0
MIL Operation Immediately
Sequence of Operation None