P1703 – Brake Switch Out of Self-Test Range (Ford)

Description

P1703 Ford indicates the brake switch signal is outside the expected range during self-test.

Want to confirm the real cause of this fault code?

A high-quality OBD2 scanner gives you live data, fuel trims, sensor readings and freeze-frame information — exactly what you need to verify the root cause of this code with confidence.

View Recommended Scanners

Symptoms

  • Cruise control inoperative
  • Harsh shifting
  • Brake light issues

Causes

  • Faulty brake switch
  • Misadjusted switch
  • Wiring fault

Diagnosis

  • Check brake switch input
  • Inspect wiring
  • Test switch operation

Repair

  • Replace brake switch
  • Adjust switch
  • Repair wiring