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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P0573 - Brake Switch A Circuit High

P0573 - Brake Switch A Circuit High

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
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 BOO1 PID. The BOO1 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 AI .
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