P1771 Throttle Position Sensor Open Circuit
What does P1771 mean on a Ford?
P1771 — Throttle Position Sensor Open Circuit. This Ford-enhanced code applies to F-150, Ranger, Explorer, Mustang.
Common causes of P1771
- Broken TPS signal wire
- Unplugged TPS connector
- Failed sensor with open element
- Corroded terminals
- Harness damage
How to fix P1771
- Reseat the TPS connector
- Test signal wire continuity
- Measure sensor resistance through the sweep
- Repair opens
- Replace the sensor if the element is open