P1703 Brake On/Off Switch Out of Self-Test Range
What does P1703 mean on a Ford?
P1703 — Brake On/Off Switch Out of Self-Test Range. This Ford-enhanced code applies to F-150, Ranger, Explorer, Expedition.
Common causes of P1703
- Self-test run without pressing the brake when prompted
- Failed brake on/off switch
- Misadjusted switch
- Open switch circuit
- Blown brake lamp fuse
How to fix P1703
- Re-run the self-test and press the brake when prompted
- Verify brake lamp operation
- Check switch adjustment and continuity
- Inspect the fuse and circuit
- Replace the switch if it fails the retest