Home >> Toyota >> 2021 >> RAV4 XLE, 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 Malfunction Thresholds