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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Vacuum Brake Booster) - Diagnostic Codes (2 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster) >> DTC C1447: External System Malfunction [12/2017 - 10/2023] >> Description

DTC C1447: External System Malfunction [12/2017 - 10/2023]: Description

DTC No. Detection Item INF Code DTC Detection Condition Trouble Area Note
C1447 External System Malfunction 354 A variable gear ratio steering system or dynamic rear steering system initialization request clears the zero point value stored for the steering angle sensor continuously for 0.048 seconds
  • Speed sensor
  • Steering sensor
  • Yaw rate sensor
  • VGRS ECU (front steering control ECU)
  • DRS ECU (rear steering control ECU)
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