P1703Brake switch signal wrong during the self-test
- Ford code · Engine
- How the car detects it
- During the scan-tool self-test the brake pedal switch signal was on with the engine off, or did not switch on and off with the engine running. Ford suggests checking that the brake lights work with the pedal.
- What you may notice
- Brake lights not working correctly
- Usually set only during a workshop self-test
- Likely causes
- PossibleBrake pedal switch faulty or badly adjusted
- PossibleBrake switch or brake light wiring open or shorted
- RareAnother module connected to the brake switch circuit
- Sources
Backed by at least two independent sources.
From Obdaryn's Ford pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.