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Home >> Lexus >> 2021 >> ES 250 Luxury >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Except Hybrid) - Diagnostic Codes (3 Of 4) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> DTC C0512-49: Right Rear Wheel Speed Sensor Internal Electronic Failure [08/2020 - ] >> Description

DTC C0512-49: Right Rear Wheel Speed Sensor Internal Electronic Failure [08/2020 - ]: Description

When the system is starting up and the skid control ECU (brake actuator assembly) detects a speed sensor circuit malfunction via the speed sensor circuit self-diagnosis function, this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C0512-49 Right Rear Wheel Speed Sensor Internal Electronic Failure A circuit malfunction in the speed sensor is detected during the self test.
  • Rear speed sensor RH (rear axle hub and bearing assembly RH)*1
  • Rear speed sensor RH*2
  • Wire harness or connector
  • Skid control sensor wire RH (No. 1 parking brake wire assembly)
  • Skid control ECU (brake actuator assembly)

*1: for 2WD

*2: for AWD