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Home >> Lexus >> 2022 >> LS 500h RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Advanced Park) - Diagnostic Codes (1 Of 5) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Advanced Park) >> DTC C0500-23: Left Front Wheel Speed Sensor Signal Stuck Low [11/2021 - 10/2023] >> Description

DTC C0500-23: Left Front Wheel Speed Sensor Signal Stuck Low [11/2021 - 10/2023]: Description

Refer to DTC C0500-12.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
C0500-23 Left Front Wheel Speed Sensor Signal Stuck Low Any of the following is detected:
  • When the +BS terminal voltage is 17.4 V or less at a vehicle speed of 10 km/h (6 mph) or more, output voltage from one of the speed sensors is less than that from the other sensors for 30 seconds or more.
  • When the +BS terminal voltage is 17.4 V or less at a vehicle speed of 10 km/h (6 mph) or more, output from one of the speed sensors is 0 km/h (0 mph) for 1 second or more.
  • When the +BS terminal voltage is 17.4 V or less at a vehicle speed of 10 km/h (6 mph) or more, outputs from both front speed sensors are 0 km/h (0 mph) for 30 seconds or more.
  • Speed sensor installation
  • Wire harness and connector
  • Front speed sensor LH
  • Front speed sensor rotor LH (front axle hub sub-assembly LH)
Comes on
  • SAE Code: C0501 (Case 1 to 3)
  • Output ECU: No. 2 skid control ECU (brake actuator assembly)
C0500-23 DTC DETECTION CONDITIONS

  Vehicle Condition
Pattern 1 Pattern 2 Pattern 3
Diagnosis Condition When the +BS terminal voltage is 17.4 V or less ◦ ◦ ◦
Malfunction Status At a vehicle speed of 10 km/h (6 mph) or more, output voltage from one of the speed sensors is less than that from the other sensors ◦ - -
At a vehicle speed of 10 km/h (6 mph) or more, output from one of the speed sensors is 0 km/h (0 mph) - ◦ -
At a vehicle speed of 10 km/h (6 mph) or more, outputs from both front speed sensors are 0 km/h (0 mph) - - ◦
Detection Time 30 seconds or more. 1 second or more. 30 seconds or more.
Number of Trips 1 trip 1 trip 1 trip

HINT: 

DTC will be output when conditions for either of the patterns in the table above are met.