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DTC P1572: Brake Pedal Switch Circuit

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P1572 - BRAKE PEDAL SWITCH CIRCUIT

Description:  Indicates the brake input rationality test for brake pedal position (BPP) and brake pedal (BPS) switches has failed. One or both inputs to the PCM did not change when expected.
Possible Causes: 
  • Misadjusted brake switches, BPP or BPS.
  • Damaged BPP switch.
  • Damaged BPS switch.
  • Open or short in the BPP circuit.
  • Open or short in the BPS circuit.
Diagnostic Aids:  DTC P1572 is set when the PCM does not sense the proper sequence of the brake pedal input signal from both the BPP and BPS when the brake pedal is applied and released.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - GO to Pinpoint Test FD . GO to Pinpoint Test FD .
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