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Home >> Toyota >> 2021 >> RAV4 LE, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Vacuum Brake Booster) - Diagnostic Codes (2 Of 8) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster) >> DTC C0577-28: Brake Pressure Sensor "D" Signal Bias Level Out of Range / Zero Adjustment Failure [12/2021 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

Monitor runs whenever the following DTCs are not stored C0577 (Case 1): Reaction force pressure sensor lost communication
C0577 (Case 2): Reaction force pressure sensor internal malfunction
C0577 (Case 3): Reaction force pressure sensor invalid data
C1100 (Case 1): Brake pedal position sensor voltage circuit/open
C1100 (Case 2): Brake pedal position sensor invalid data
C1103 (Case 1): Brake pedal position sensor voltage circuit/open
C1103 (Case 2): Brake pedal position sensor invalid data
C1496: Reaction force pressure sensor voltage circuit low
C1497: Reaction force pressure sensor voltage circuit high
C14B4: Reaction force pressure sensor intermittent/erratic
P057A: Brake pedal position sensor invalid data
P057C: Brake pedal position sensor open circuit
P057D: Brake pedal position sensor circuit high
P057E: Brake pedal position sensor intermittent/erratic
P05DB: Brake pedal position sensor invalid data
P05DD: Brake pedal position sensor open circuit
P05DE: Brake pedal position sensor circuit high
P05DF: Brake pedal position sensor intermittent/erratic
P05E0: Brake pedal position sensor "A"/"B" correlation
U0129: Lost communication with ECB*_ECU (C-bus)
All of the following conditions are met -
Brake position sensor circuit fail Not detected
Reaction force pressure sensor circuit fail Not detected
Brake Off

*: Electronically Controlled Brake System