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Home >> Ford >> 2011 >> Focus S, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions - DTC P0218 Through DTC P0581 - (Except Diesel & Hybrid) >> DTC P0573: Brake Switch A Circuit High

DTC P0573: Brake Switch A Circuit High

P0573 - BRAKE SWITCH A CIRCUIT HIGH

Description:  This DTC indicates the brake switch is stuck in the OFF position.
Possible Causes: 
  • Open or short in the brake pedal position (BPP) circuit
  • Open or short in the stoplamp circuits
  • 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