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Home >> Lexus >> 2021 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (Ext) - Diagnostic Codes (2 Of 3) >> Lighting System >> DTC B2415: Vehicle Speed Sensor Malfunction [12/2017 - 10/2023] >> Description

DTC B2415: Vehicle Speed Sensor Malfunction [12/2017 - 10/2023]: Description

  1. *1: w/o Vacuum Brake Booster
  2. *2: w/ Vacuum Brake Booster

The headlight ECU sub-assembly LH receives speed signals from the skid control ECU assembly*1 or brake actuator assembly (skid control ECU)*2 via CAN communication and performs light control.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Note
B2415 Vehicle Speed Sensor Malfunction Detection condition: 
  1. Engine switch on (IG)

Malfunction status: 
  1. Wheel speed sensor invalid signals are continuously received from the skid control ECU assembly*1 or brake actuator assembly (skid control ECU)*2

Malfunction duration: 
  1. 10 seconds or more
Electronically controlled brake system AFS -