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Home >> Lexus >> 2025 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Electronically Controlled Brake System - Diagnostic Codes (1 Of 6)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model) >> DTC C0506-1F: Right Front Wheel Speed Sensor Circuit Intermittent [11/2021 - ] >> Description

DTC C0506-1F: Right Front Wheel Speed Sensor Circuit Intermittent [11/2021 - ]: Description

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Refer to DTC C0506-12.

Refer to DTC C0506-12: Right Front Wheel Speed Sensor Circuit Short to Battery [11/2021 - ] 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Note
C0506-1F Right Front Wheel Speed Sensor Circuit Intermittent Any of the following is detected:
  • When the +BS terminal voltage is 17.4 V or less, an open in the sensor signal circuit of a malfunctioning area occurs 255 times or more.
  • When the +BS terminal voltage is 17.4 V or less at a vehicle speed of 20 km/h (12 mph) or more, noise occurs in the sensor signals of a malfunctioning wheel 75 times or more within 5 seconds.
  • When the +BS terminal voltage is 17.4 V or less at a vehicle speed of 10 km/h (6 mph) or more, noise occurs once per rotor rotation for 15 seconds or more.
  • Front speed sensor RH
  • Speed sensor installation
  • Front speed sensor rotor RH (front axle hub sub-assembly RH)
Comes on Brake/EPB
  • SAE Code: C050A
  • Output ECU: No. 2 skid control ECU (brake actuator assembly)