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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Except HV) - Diagnostic Codes (2 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> DTC C0512-23: Right Rear Wheel Speed Sensor Signal Stuck Low [12/2019 - ] >> Description

DTC C0512-23: Right Rear Wheel Speed Sensor Signal Stuck Low [12/2019 - ]: Description

Refer to DTC C0512-12.

Refer to DTC C0512-12: Right Rear Wheel Speed Sensor Circuit Short to Battery [12/2019 - ] 

DTC No. Detection Item DTC Detection Condition Trouble Area
C0512-23 Right Rear 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 15 seconds or more.*2
  • 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.*1
  • 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 rear speed sensors are 0 km/h (0 mph) for 15 seconds or more.*2
  • 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 rear speed sensors are 0 km/h (0 mph) for 30 seconds or more.*1
  • Rear skid control sensor RH*1
  • Rear speed sensor RH (rear axle hub and bearing assembly RH)*2
  • Speed sensor installation
  • Skid control sensor wire RH (No. 1 parking brake wire assembly)
  • Wire harness and connector
  • Rear speed sensor rotor RH (rear axle hub and bearing assembly RH)
  1. *1: for AWD
  2. *2: for 2WD
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