DTC P0571: - Brake Switch A Circuit

DTC 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:	Open or short in the BPP circuit Open or short in the stoplamp circuits Concern in module(s) connected to the BPP circuit Damaged brake switch Misadjusted 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 .