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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 65 (Electronically Controlled Brake System (HV) - Diagnostic Codes (10 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC P057A-12: Brake Pedal Position Sensor "A" Circuit Short to Battery; DTC P057A-14: Brake Pedal Position Sensor "A" Circuit Short to Ground or Open; DTC P057A-1F: Brake Pedal Position Sensor "A" Circuit Intermittent [12/2019 - 11/2023] >> Description

DTC P057A-12: Brake Pedal Position Sensor "A" Circuit Short to Battery; DTC P057A-14: Brake Pedal Position Sensor "A" Circuit Short to Ground or Open; DTC P057A-1F: Brake Pedal Position Sensor "A" Circuit Intermittent [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

Refer to DTC C1100-00.

Refer to DESCRIPTION [12/2019 - 10/2021] , or refer to DESCRIPTION [10/2021 - 11/2023]

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
P057A-12 Brake Pedal Position Sensor "A" Circuit Short to Battery The sensor output voltage 1 (SKS1) is 4.7 V or more for 0.2 seconds or more.
  • Wire harness and connector
  • Brake pedal stroke sensor assembly
Comes on
  • SAE Code: P057D
  • Output ECU: Both skid control ECUs
P057A-14 Brake Pedal Position Sensor "A" Circuit Short to Ground or Open The sensor output voltage 1 (SKS1) is less than 0.3 V for 0.2 seconds or more.
  • Wire harness and connector
  • Brake pedal stroke sensor assembly
Comes on
  • SAE Code: P057C
  • Output ECU: Both skid control ECUs
P057A-1F Brake Pedal Position Sensor "A" Circuit Intermittent The difference between the current value and previous value of the sensor output voltage 1 (SKS1) is 8.5% or more for 0.2 seconds or more.
  • Wire harness and connector
  • Brake pedal stroke sensor assembly
Comes on
  • SAE Code: P057E
  • Output ECU: Both skid control ECUs