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Home >> Toyota >> 2021 >> RAV4 LE, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Vacuum Brake Booster) - Diagnostic Codes (2 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Vacuum Brake Booster) >> DTC C050C-23: Left Rear Wheel Speed Sensor Signal Stuck Low; DTC C0512-23: Right Rear Wheel Speed Sensor Signal Stuck Low [11/2018 - ] >> Description

DTC C050C-23: Left Rear Wheel Speed Sensor Signal Stuck Low; DTC C0512-23: Right Rear Wheel Speed Sensor Signal Stuck Low [11/2018 - ]: Description

Refer to DTC C050C-12

Refer to DTC C050C-12: Left Rear Wheel Speed Sensor Circuit Short to Battery; DTC C0512-12: Right Rear Wheel Speed Sensor Circuit Short to Battery [11/2018 - 10/2019] , or refer to DTC C050C-12: Left Rear Wheel Speed Sensor Circuit Short to Battery; DTC C0512-12: Right Rear Wheel Speed Sensor Circuit Short to Battery [10/2019 - 12/2021] , or refer to DTC C050C-12: Left Rear Wheel Speed Sensor Circuit Short to Battery; DTC C0512-12: Right Rear Wheel Speed Sensor Circuit Short to Battery [12/2021 - ]

DTC No. Detection Item DTC Detection Condition Trouble Area
C050C-23 Left Rear Wheel Speed Sensor Signal Stuck Low
  • When the vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph), the wheel speed is 1.8 km/h (1.1 mph) or less for 0.6 seconds or more.
  • When the wheel speed has not exceeded 1.8 km/h (1.1 mph), the vehicle speed reaches 18 km/h (11 mph).
  • When the vehicle speed and wheel speed are both 43.2 km/h (26.8 mph) or more, the pulse signal is not detected for 0.08 seconds or more.
  • Rear speed sensor LH (rear axle hub and bearing assembly LH)*1
  • Rear speed sensor LH*2
  • Speed sensor installation*2
C0512-23 Right Rear Wheel Speed Sensor Signal Stuck Low
  • When the vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph), the wheel speed is 1.8 km/h (1.1 mph) or less for 0.6 seconds or more.
  • When the wheel speed has not exceeded 1.8 km/h (1.1 mph), the vehicle speed reaches 18 km/h (11 mph).
  • When the vehicle speed and wheel speed are both 43.2 km/h (26.8 mph) or more, the pulse signal is not detected for 0.08 seconds or more.
  • Rear speed sensor RH (rear axle hub and bearing assembly RH)*1
  • Rear speed sensor RH*2
  • Speed sensor installation*2

*1: for 2WD

*2: for AWD

DTC DETECTION CONDITIONS: C050C-23

  Vehicle Condition
Pattern 1 Pattern 2 Pattern 3
Diagnosis Condition The vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph). ◦ - -
The vehicle speed reaches 18 km/h (11 mph). - ◦ -
The vehicle speed and wheel speed are both 43.2 km/h (26.8 mph) or more. - - ◦
Malfunction Status The wheel speed is 1.8 km/h (1.1 mph) or less. ◦ - -
The wheel speed has not exceeded 1.8 km/h (1.1 mph). - ◦ -
The pulse signal is not detected. - - ◦
Detection Time 0.6 seconds or more. - 0.08 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.

DTC DETECTION CONDITIONS: C0512-23

  Vehicle Condition
Pattern 1 Pattern 2 Pattern 3
Diagnosis Condition The vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph). ◦ - -
The vehicle speed reaches 18 km/h (11 mph). - ◦ -
The vehicle speed and wheel speed are both 43.2 km/h (26.8 mph) or more. - - ◦
Malfunction Status The wheel speed is 1.8 km/h (1.1 mph) or less. ◦ - -
The wheel speed has not exceeded 1.8 km/h (1.1 mph). - ◦ -
The pulse signal is not detected. - - ◦
Detection Time 0.6 seconds or more. - 0.08 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.

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