DTC P1703 - Brake Switch Out Of Self Test Range

2021 Ford Edge SE, 4WDSECTION DTC P1703 - Brake Switch Out Of Self Test Range
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Ford Transit-350 HD, 2018 Ford Transit-350, 2018 Ford Transit-250, 2018 Ford Transit-150, and 2018 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
P1703 - BRAKE SWITCH OUT OF SELF TEST RANGE

Description:  The DTC sets when the key ON, engine OFF (KOEO) self-test is carried out, and the brake pedal position (BPP) switch signal is high, or during the key ON, engine running (KOER) self-test, the BPP switch signal does not cycle high and low.
Possible Causes: 
  • BPP circuit open
  • BPP circuit short to ground
  • BPP circuit short to voltage
  • Damaged brake switch
  • Incorrectly adjusted brake switch
Diagnostic Aids:  Using the diagnostic tool, check the BOO1 PID. The stoplamps and BOO1 PID should turn ON and OFF with brake pedal activation.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST AI .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.