DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Electronically Controlled Brake System (HV) - Diagnostic Codes (05 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C0573-00: Brake Pressure Sensor "C" Malfunction; DTC C0573-1F: Brake Pressure Sensor "C" Circuit Intermittent; DTC C0573-31: Brake Pressure Sensor "C" No Signal; DTC C0573-96: Brake Pressure Sensor "C" Component Internal Failure; DTC C0577-00: Brake Pressure Sensor "D" Malfunction; DTC C0577-1F: Brake Pressure Sensor "D" Circuit Intermittent; DTC C0577-31: Brake Pressure Sensor "D" No Signal; DTC C0577-96: Brake Pressure Sensor "D" Component Internal Failure; DTC C05A1-00: Brake Pressure Sensor "E" Malfunction; DTC C05A1-1F: Brake Pressure Sensor "E" Circuit Intermittent; DTC C05A1-31: Brake Pressure Sensor "E" No Signal; DTC C05A1-96: Brake Pressure Sensor "E" Component Internal Failure; DTC C14B0-16: Brake Pressure Sensor "D" Power Supply Voltage Circuit Voltage Below Threshold; DTC C14B0-17: Brake Pressure Sensor "D" Power Supply Voltage Circuit Voltage Above Threshold; DTC C14C0-16: Servo Pressure Sensor Power Supply Voltage Circuit Voltage Below Threshold; DTC C14C0-17: Servo Pressure Sensor Power Supply Voltage Circuit Voltage Above Threshold; DTC C14D0-16: Accumulator Pressure Sensor Power Supply Voltage Circuit Voltage Below Threshold; DTC C14D0-17: Accumulator Pressure Sensor Power Supply Voltage Circuit Voltage Above Threshold [12/2019 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
C0573 (CASE 2)

Monitor runs whenever the following DTCs are not stored C149E: Accumulator pressure sensor voltage circuit low
C149F: Accumulator pressure sensor voltage circuit high
All of the following conditions are met -
Communication with pressure sensor Valid
Pressure sensor start state Valid
Master cylinder pressure sensor power supply voltage Higher than 6.5 V and less than 7.5 V
Master cylinder pressure sensor temperature 175°C (347°F) or less
Master cylinder pressure sensor current Less than 50.00 mA
C0573 (CASE 3), C0577 (CASE 3) AND C05A1 (CASE 3)

Monitor runs whenever the following DTCs are not stored None
All of the following conditions are met -
Brake system voltage 1 Higher than 8.50 V
Communication with pressure sensor Valid
Master cylinder pressure sensor power supply voltage Higher than 6.5 V and less than 7.5 V
Pressure sensor fail (C1497, C149F, C1499) Not detected
Pressure sensor fail (C1496, C149E, C1498) Not detected
Pressure sensor fail (C0577, C0573, C05A1) Not detected
Pressure sensor fail (C14B4, C14D3, C14C4) Not detected
C0573 (CASE 4)

Monitor runs whenever the following DTCs are not stored C149E: Accumulator pressure sensor voltage circuit low
C149F: Accumulator pressure sensor voltage circuit high
All of the following conditions are met -
Pressure sensor start state Valid
Master cylinder pressure sensor power supply voltage Higher than 6.5 V and less than 7.5 V
Master cylinder pressure sensor temperature 175°C (347°F) or less
Master cylinder pressure sensor current Less than 50.00 mA
C0577 (CASE 1)

Monitor runs whenever the following DTCs are not stored C1496: Reaction force pressure sensor voltage circuit low
C1497: Reaction force pressure sensor voltage circuit high
All of the following conditions are met -
Pressure sensor start state Valid
Master cylinder pressure sensor power supply voltage Higher than 6.5 V and less than 7.5 V
Master cylinder pressure sensor temperature 175°C (347°F) or less
Master cylinder pressure sensor current Less than 50.00 mA
C0577 (CASE 2)

Monitor runs whenever the following DTCs are not stored C1496: Reaction force pressure sensor voltage circuit low
C1497: Reaction force pressure sensor voltage circuit high
All of the following conditions are met -
Communication with pressure sensor Valid
Pressure sensor start state Valid
Master cylinder pressure sensor power supply voltage Higher than 6.5 V and less than 7.5 V
Master cylinder pressure sensor temperature 175°C (347°F) or less
Master cylinder pressure sensor current Less than 50.00 mA
C05A1 (CASE 1)

Monitor runs whenever the following DTCs are not stored C1498: Servo pressure sensor voltage circuit low
C1499: Servo pressure sensor voltage circuit high
All of the following conditions are met -
Pressure sensor start state Valid
Master cylinder pressure sensor power supply voltage Higher than 6.5 V and less than 7.5 V
Master cylinder pressure sensor temperature 175°C (347°F) or less
Master cylinder pressure sensor current Less than 50.00 mA
C05A1 (CASE 2)

Monitor runs whenever the following DTCs are not stored C1498: Servo pressure sensor voltage circuit low
C1499: Servo pressure sensor voltage circuit high
All of the following conditions are met -
Communication with pressure sensor Valid
Pressure sensor start state Valid
Master cylinder pressure sensor power supply voltage Higher than 6.5 V and less than 7.5 V
Master cylinder pressure sensor temperature 175°C (347°F) or less
Master cylinder pressure sensor current Less than 50.00 mA
C1496, C1498 AND C149E

Monitor runs whenever the following DTCs are not stored C1499: Servo pressure sensor voltage circuit high
C14C7 (Case 3 to 9): Brake system voltage circuit low
All of the following conditions are met -
Pressure sensor start state Valid
Brake system voltage 1 Higher than 8.5 V
C14B4, C14C4 AND C14D3

Monitor runs whenever the following DTCs are not stored C05A1 (Case 1): Servo pressure sensor lost communication
C05A1 (Case 2): Servo pressure sensor internal malfunction
C05A1 (Case 3): Servo pressure sensor invalid data
C1496: Reaction force pressure sensor voltage circuit low
C1497: Reaction force pressure sensor voltage circuit high
All of the following conditions are met -
Communication with pressure sensor Valid
Pressure sensor start state Valid
Master cylinder pressure sensor power supply voltage Higher than 6.5 V and less than 7.5 V
Master cylinder pressure sensor temperature 175°C (347°F) or less
Master cylinder pressure sensor current Less than 50.00 mA