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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Except HV) - Diagnostic Codes (2 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> DTC C0540-17: Brake Pressure Sensor "A" Circuit Voltage Above Threshold [12/2019 - ] >> Description

DTC C0540-17: Brake Pressure Sensor "A" Circuit Voltage Above Threshold [12/2019 - ]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area
C0540-17 Brake Pressure Sensor "A" Circuit Voltage Above Threshold When vehicle speed exceeds 3 km/h (2 mph) and stop light switch assembly is OFF, master cylinder pressure continuously exceeds 1.764 MPa (18.0 kgf/cm2 , 255 psi) for 5 seconds or more.
  • Wire harness and connector
  • Stop light switch assembly
  • Master cylinder pressure sensor (Brake actuator assembly)
  • Master cylinder pressure sensor circuit malfunction
  • Skid control ECU (Brake actuator assembly)
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