DTC P0571: Brake Switch A Circuit

P0571 - BRAKE SWITCH A CIRCUIT

Description: The purpose of this DTC is to check whether the brake switch has toggled or not during the key ON engine running (KOER) test.
Possible Causes: BPP circuit open or short Stoplamp circuits open or short Concern in module(s) connected to the BPP circuit Damaged brake switch Incorrectly adjusted brake switch
Diagnostic Aids: Using the scan tool, check the BPP/BOO PID. The BPP/BOO PID should toggle on and off with brake pedal activation.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST FD .