P0571 - Brake Switch A Circuit

P0571 - BRAKE SWITCH A CIRCUIT

Description:	This DTC sets when the brake switch does not toggle during the key ON engine running (KOER) test.
Possible Causes:	BPP circuit open BPP circuit short to ground Concern in modules 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 .