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Home >> Toyota >> 2021 >> Mirai Limited >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (4 Of 4), Circuit Tests, Symptom Tests >> Electronically Controlled Brake System >> DTC P05FF-62: Brake Pressure Sensor / Brake Pedal Position Sensor Signal Compare Failure [11/2020 - ] >> Description

DTC P05FF-62: Brake Pressure Sensor / Brake Pedal Position Sensor Signal Compare Failure [11/2020 - ]: Description

If the No. 1 skid control ECU (brake booster with master cylinder assembly) detects an inconsistency between the brake pedal stroke sensor assembly signal and reaction force pressure sensor signal, DTC P05FF-62 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority Note
P05FF-62 Brake Pressure Sensor / Brake Pedal Position Sensor Signal Compare Failure The difference between brake pedal stroke sensor assembly output value and reaction force pressure sensor output value is above the threshold for a certain period of time.
  • Brake booster with master cylinder assembly
  • Brake pedal stroke sensor assembly
  • Brake pedal stroke sensor assembly installation
  • Brake fluid leaks
Brake Booster A Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly)