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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 74 (Electronically Controlled Brake System (HEV) - Diagnostic Codes (6 Of 6), Symptom Tests & Circuit Tests) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC P0571-13: Brake Switch "A" Circuit Open [09/2022 - ] >> Description

DTC P0571-13: Brake Switch "A" Circuit Open [09/2022 - ]: Description

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

The skid control ECU (brake actuator assembly) receives stop light switch assembly signals and uses them to determine whether or not the brakes are applied.

The skid control ECU (brake actuator assembly) has a detection circuit that it uses to detect an open in the stop light input line.

If the skid control ECU (brake actuator assembly) detects an open in this circuit, it will store this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Note
P0571-13 Brake Switch "A" Circuit Open An open in the stop light switch assembly input line continues for 3 seconds or more.
  • Stop light switch assembly
  • Wire harness or connector
  • Skid control ECU (brake actuator assembly)
Does not come on Brake/EPB Output ECU: Skid control ECU (brake actuator assembly)