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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Electronically Controlled Brake System - Diagnostic Codes (1 Of 6)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (except Gasoline Model) >> DTC C0500-23: Left Front Wheel Speed Sensor Signal Stuck Low [12/2023 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2024 Lexus TX 550h+ and 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
CASE 1

Monitor runs whenever the following DTCs are not stored C0501 (Case 2): Wheel speed sensor (FL) range/performance (2 wheels)
C0501 (Case 4): Wheel speed sensor (FL) range/performance (pulse output high)
C0502: Wheel speed sensor (FL) voltage circuit open
C0503: Wheel speed sensor (FL) voltage circuit high
C0504 (Case 1): Wheel speed sensor (FL) intermittent/erratic (moment open)
C0504 (Case 2): Wheel speed sensor (FL) intermittent/erratic (a piece of metal noise)
C0504 (Case 3): Wheel speed sensor (FL) intermittent/erratic (a piece of metal rotor noise)
C0507 (Case 2): Wheel speed sensor (FR) range/performance (2 wheels)
C0507 (Case 4): Wheel speed sensor (FR) range/performance (pulse output high)
C0508: Wheel speed sensor (FR) voltage circuit open
C0509: Wheel speed sensor (FR) voltage circuit high
C050A (Case 1): Wheel speed sensor (FR) intermittent/erratic (moment open)
C050A (Case 2): Wheel speed sensor (FR) intermittent/erratic (a piece of metal noise)
C050A (Case 3): Wheel speed sensor (FR) intermittent/erratic (a piece of metal rotor noise)
C050D (Case 2): Wheel speed sensor (RL) range/performance (2 wheels)
C050D (Case 4): Wheel speed sensor (RL) range/performance (pulse output high)
C050E: Wheel speed sensor (RL) voltage circuit open
C050F: Wheel speed sensor (RL) voltage circuit high
C0510 (Case 1): Wheel speed sensor (RL) intermittent/erratic (moment open)
C0510 (Case 2): Wheel speed sensor (RL) intermittent/erratic (a piece of metal noise)
C0510 (Case 3): Wheel speed sensor (RL) intermittent/erratic (a piece of metal rotor noise)
C0513 (Case 2): Wheel speed sensor (RR) range/performance (2 wheels)
C0513 (Case 4): Wheel speed sensor (RR) range/performance (pulse output high)
C0514: Wheel speed sensor (RR) voltage circuit open
C0515: Wheel speed sensor (RR) voltage circuit high
C0516 (Case 1): Wheel speed sensor (RR) intermittent/erratic (moment open)
C0516 (Case 2): Wheel speed sensor (RR) intermittent/erratic (a piece of metal noise)
C0516 (Case 3): Wheel speed sensor (RR) intermittent/erratic (a piece of metal rotor noise)
C137D: Brake system voltage circuit high
C14E1 (Case 1): Wheel speed sensor (FL) voltage circuit low
C14E1 (Case 2): Wheel speed sensor (FL) voltage circuit low (continuation)
C14E4 (Case 1): Wheel speed sensor (FR) voltage circuit low
C14E4 (Case 2): Wheel speed sensor (FR) voltage circuit low (continuation)
C14E7 (Case 1): Wheel speed sensor (RL) voltage circuit low
C14E7 (Case 2): Wheel speed sensor (RL) voltage circuit low (continuation)
C14EA (Case 1): Wheel speed sensor (RR) voltage circuit low
C14EA (Case 2): Wheel speed sensor (RR) voltage circuit low (continuation)
All of the following conditions are met A, B, C, D, E, F, G and H
A. Chassis dynamometer mode Off
B. Following condition is met More than 0.012 seconds
IGR voltage 3.5 V or higher
C. Command to all ABS hold solenoids Off
D. Command to all ABS release solenoids Off
E. Following condition is met More than 0.22 seconds
+BS voltage 17.4 V or less
F. Difference between the highest speed sensor output value and the second lowest speed sensor output value Less than 20% of the highest speed sensor output value
G. The second lowest speed sensor output value 60 Hz + 2 km/h (1.24 mph) or more
H. IGP voltage Higher than 10 V
CASE 2

Monitor runs whenever the following DTCs are not stored C0501 (Case 4): Wheel speed sensor (FL) range/performance (pulse output high)
C0502: Wheel speed sensor (FL) voltage circuit open
C0503: Wheel speed sensor (FL) voltage circuit high
C0504 (Case 1): Wheel speed sensor (FL) intermittent/erratic (moment open)
C0504 (Case 2): Wheel speed sensor (FL) intermittent/erratic (a piece of metal noise)
C0504 (Case 3): Wheel speed sensor (FL) intermittent/erratic (a piece of metal rotor noise)
C0507 (Case 4): Wheel speed sensor (FR) range/performance (pulse output high)
C0508: Wheel speed sensor (FR) voltage circuit open
C0509: Wheel speed sensor (FR) voltage circuit high
C050A (Case 1): Wheel speed sensor (FR) intermittent/erratic (moment open)
C050A (Case 2): Wheel speed sensor (FR) intermittent/erratic (a piece of metal noise)
C050A (Case 3): Wheel speed sensor (FR) intermittent/erratic (a piece of metal rotor noise)
C050D (Case 4): Wheel speed sensor (RL) range/performance (pulse output high)
C050E: Wheel speed sensor (RL) voltage circuit open
C050F: Wheel speed sensor (RL) voltage circuit high
C0510 (Case 1): Wheel speed sensor (RL) intermittent/erratic (moment open)
C0510 (Case 2): Wheel speed sensor (RL) intermittent/erratic (a piece of metal noise)
C0510 (Case 3): Wheel speed sensor (RL) intermittent/erratic (a piece of metal rotor noise)
C0513 (Case 4): Wheel speed sensor (RR) range/performance (pulse output high)
C0514: Wheel speed sensor (RR) voltage circuit open
C0515: Wheel speed sensor (RR) voltage circuit high
C0516 (Case 1): Wheel speed sensor (RR) intermittent/erratic (moment open)
C0516 (Case 2): Wheel speed sensor (RR) intermittent/erratic (a piece of metal noise)
C0516 (Case 3): Wheel speed sensor (RR) intermittent/erratic (a piece of metal rotor noise)
C137D: Brake system voltage circuit high
C14E1 (Case 1): Wheel speed sensor (FL) voltage circuit low
C14E1 (Case 2): Wheel speed sensor (FL) voltage circuit low (continuation)
C14E4 (Case 1): Wheel speed sensor (FR) voltage circuit low
C14E4 (Case 2): Wheel speed sensor (FR) voltage circuit low (continuation)
C14E7 (Case 1): Wheel speed sensor (RL) voltage circuit low
C14E7 (Case 2): Wheel speed sensor (RL) voltage circuit low (continuation)
C14EA (Case 1): Wheel speed sensor (RR) voltage circuit low
C14EA (Case 2): Wheel speed sensor (RR) voltage circuit low (continuation)
All of the following conditions are met A, B, C, D, E, F, G, H and I
A. Chassis dynamometer mode Off
B. Following condition is met More than 0.012 seconds
IGR voltage 3.5 V or higher
C. Command to all ABS hold solenoids Off
D. Command to all ABS release solenoids Off
E. Following condition is met More than 0.22 seconds
+BS voltage 17.4 V or less
F. Brake pedal operation Off
G. Parking brake Off
H. Difference between the highest speed sensor output value and the second highest speed sensor output value Less than 20% of the highest speed sensor output value
I. The second highest speed sensor output value 60 Hz + 2 km/h (1.24 mph) or more
CASE 3

Monitor runs whenever the following DTCs are not stored C0501 (Case 1): Wheel speed sensor (FL) range/performance (correlation A)
C0501 (Case 2): Wheel speed sensor (FL) range/performance (2 wheels)
C0501 (Case 4): Wheel speed sensor (FL) range/performance (pulse output high)
C0502: Wheel speed sensor (FL) voltage circuit open
C0503: Wheel speed sensor (FL) voltage circuit high
C0504 (Case 1): Wheel speed sensor (FL) intermittent/erratic (moment open)
C0504 (Case 2): Wheel speed sensor (FL) intermittent/erratic (a piece of metal noise)
C0504 (Case 3): Wheel speed sensor (FL) intermittent/erratic (a piece of metal rotor noise)
C0507 (Case 1): Wheel speed sensor (FR) range/performance (correlation A)
C0507 (Case 2): Wheel speed sensor (FR) range/performance (2 wheels)
C0507 (Case 3): Wheel speed sensor (FR) range/performance (correlation B)
C0507 (Case 4): Wheel speed sensor (FR) range/performance (pulse output high)
C0508: Wheel speed sensor (FR) voltage circuit open
C0509: Wheel speed sensor (FR) voltage circuit high
C0510 (Case 1): Wheel speed sensor (RL) intermittent/erratic (moment open)
C0510 (Case 2): Wheel speed sensor (RL) intermittent/erratic (a piece of metal noise)
C0510 (Case 3): Wheel speed sensor (RL) intermittent/erratic (a piece of metal rotor noise)
C0513 (Case 1): Wheel speed sensor (RR) range/performance (correlation A)
C0513 (Case 2): Wheel speed sensor (RR) range/performance (2 wheels)
C0513 (Case 3): Wheel speed sensor (RR) range/performance (correlation B)
C0513 (Case 4): Wheel speed sensor (RR) range/performance (pulse output high)
C0514: Wheel speed sensor (RR) voltage circuit open
C0515: Wheel speed sensor (RR) voltage circuit high
C0516 (Case 1): Wheel speed sensor (RR) intermittent/erratic (moment open)
C0516 (Case 2): Wheel speed sensor (RR) intermittent/erratic (a piece of metal noise)
C0516 (Case 3): Wheel speed sensor (RR) intermittent/erratic (a piece of metal rotor noise)
C050A (Case 1): Wheel speed sensor (FR) intermittent/erratic (moment open)
C050A (Case 2): Wheel speed sensor (FR) intermittent/erratic (a piece of metal noise)
C050A (Case 3): Wheel speed sensor (FR) intermittent/erratic (a piece of metal rotor noise)
C050D (Case 1): Wheel speed sensor (RL) range/performance (correlation A)
C050D (Case 2): Wheel speed sensor (RL) range/performance (2 wheels)
C050D (Case 3): Wheel speed sensor (RL) range/performance (correlation B)
C050D (Case 4): Wheel speed sensor (RL) range/performance (pulse output high)
C050E: Wheel speed sensor (RL) voltage circuit open
C050F: Wheel speed sensor (RL) voltage circuit high
C051C (Case 1): Acceleration sensor range/Performance (acceleration sensor lock)
C051C (Case 2): Acceleration sensor range/Performance (GL1, GL2 lock)
C051C (Case 3): Acceleration sensor range/Performance (acceleration sensor output)
C051D: Acceleration sensor missing calibration
C051E: Acceleration sensor intermittent/erratic
C0520 (Case 1): Acceleration sensor (GL1, GL2) out of range
C0520 (Case 2): Acceleration sensor GL2 out of range
C0520 (Case 3): Acceleration sensor internal check
C052B (Case 1 to 7): ABS pump motor performance (gate voltage)
C052B (Case 8): ABS pump motor performance (motor relay current)
C052B (Case 9): ABS pump motor performance (freewheeling MOS current)
C052D: ABS pump motor circuit high
C052E (Case 1 to 4): ABS pump motor circuit open (motor circuit)
C052E (Case 5 and 6): ABS pump motor circuit open (motor relay)
C053D: Master cylinder pressure sensor exceeded learning limit
C0540 (Case 1): Pressure sensor lost communication
C0540 (Case 2): Pressure sensor internal check
C0540 (Case 3): Pressure sensor invalid data
C0555: Wheel speed sensor (FL) range/performance
C0556: Wheel speed sensor (FR) range/performance
C0557: Wheel speed sensor (RL) range/performance
C0558: Wheel speed sensor (RR) range/performance
C056B: Pressure sensor intermittent/erratic
C0597: ABS hold solenoid performance
C05C1: Brake pedal position sensor learning not complete
C1103 (Case 1): Brake pedal position sensor voltage circuit open
C122E: Pressure sensor voltage circuit low
C122F: Pressure sensor voltage circuit high
C1240: Yaw rate and acceleration sensor incorrect
C124A: Identification signal
C12A7 (Case 1 and 2): ABS hold solenoid (FL) circuit open
C12A7 (Case 3): ABS hold solenoid (FL) circuit low
C12A8 (Case 1): ABS hold solenoid (FL) circuit high (solenoid Off current)
C12A8 (Case 2 and 3): ABS hold solenoid (FL) circuit high (IC data)
C12A8 (Case 4): ABS hold solenoid (FL) circuit high (solenoid On current)
C12B2: ABS release solenoid (FL) circuit low
C12B3: ABS release solenoid (FL) circuit high
C12BD (Case 1 and 2): ABS hold solenoid (FR) circuit open
C12BD (Case 3): ABS hold solenoid (FR) circuit low
C12BE (Case 1): ABS hold solenoid (FR) circuit high (solenoid Off current)
C12BE (Case 2 and 3): ABS hold solenoid (FR) circuit high (IC data)
C12BE (Case 4): ABS hold solenoid (FR) circuit high (solenoid On current)
C12C8: ABS release solenoid (FR) circuit low
C12C9: ABS release solenoid (FR) circuit high
C12D3 (Case 1 and 2): ABS hold solenoid (RL) circuit open
C12D3 (Case 3): ABS hold solenoid (RL) circuit low
C12D4 (Case 1): ABS hold solenoid (RL) circuit high (solenoid Off current)
C12D4 (Case 2 and 3): ABS hold solenoid (RL) circuit high (IC data)
C12D4 (Case 4): ABS hold solenoid (RL) circuit high (solenoid On current)
C12DE: ABS release solenoid (RL) circuit low
C12DF: ABS release solenoid (RL) circuit high
C12E9 (Case 1 and 2): ABS hold solenoid (RR) circuit open
C12E9 (Case 3): ABS hold solenoid (RR) circuit low
C12EA (Case 1): ABS hold solenoid (RR) circuit high (solenoid Off current)
C12EA (Case 2 and 3): ABS hold solenoid (RR) circuit high (IC data)
C12EA (Case 4): ABS hold solenoid (RR) circuit high (solenoid On current)
C12F4: ABS release solenoid (RR) circuit low
C12F5: ABS release solenoid (RR) circuit high
C12F6: ABS hold solenoid other functional
C12F7: ABS hold solenoid other functional
C13BF: SM solenoid other functional
C13C2 (Case 1 and 2): SM1 solenoid circuit open
C13C2 (Case 3): SM1 solenoid circuit low
C13C3 (Case 1): SM1 solenoid circuit high (solenoid Off current)
C13C3 (Case 2 and 3): SM1 solenoid circuit high (IC data)
C13C3 (Case 4): SM1 solenoid circuit high (solenoid On current)
C13CB (Case 1 and 2): SM2 solenoid circuit open
C13CB (Case 3): SM2 solenoid circuit low
C13CC (Case 1): SM2 solenoid circuit high (solenoid Off current)
C13CC (Case 2 and 3): SM2 solenoid circuit high (IC data)
C13CC (Case 4): SM2 solenoid circuit high (solenoid On current)
C137D: Brake system voltage circuit high
C1427: ABS pump motor stuck
C143B: Brake system voltage power supply relay circuit high
C143C: Brake system voltage power supply relay circuit open
C14E1 (Case 1): Wheel speed sensor (FL) voltage circuit low
C14E1 (Case 2): Wheel speed sensor (FL) voltage circuit low (continuation)
C14E4 (Case 1): Wheel speed sensor (FR) voltage circuit low
C14E4 (Case 2): Wheel speed sensor (FR) voltage circuit low (continuation)
C14E7 (Case 1): Wheel speed sensor (RL) voltage circuit low
C14E7 (Case 2): Wheel speed sensor (RL) voltage circuit low (continuation)
C14EA (Case 1): Wheel speed sensor (RR) voltage circuit low
C14EA (Case 2): Wheel speed sensor (RR) voltage circuit low (continuation)
P05DB: Brake pedal position sensor invalid data
P05DD: Brake pedal position sensor circuit open
P05DE: Brake pedal position sensor circuit high
P05DF: Brake pedal position sensor intermittent/erratic
P05E0: Brake pedal position sensor "A"/"B" correlation
U0125: Lost communication with multi-axis acceleration sensor module
All of the following conditions are met A, B, C, D, E, F, G, H and I
A. Chassis dynamometer mode Off
B. Following condition is met More than 0.012 seconds
IGR voltage 3.5 V or higher
C. Command to all ABS hold solenoids Off
D. Command to all ABS release solenoids Off
E. Following condition is met More than 0.22 seconds
+BS voltage 17.4 V or less
F. Brake pedal operation Off
G. Parking brake Off
H. Difference between the highest speed sensor output value and the second lowest speed sensor output value Less than 2 km/h (1.24 mph)
I. BM voltage 6 V or higher
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