What causes P1577 on a Ford?

One of the redundant pedal sensors drifting Damaged pedal wiring affecting one channel Corroded pedal connector Failing pedal assembly PCM reference fault to one sensor

How do I fix P1577 on a Ford?

Graph both pedal sensors and find the disagreeing channel Inspect the pedal connector for corrosion Check reference voltage to each sensor Test the pedal sweep for smoothness on both channels Replace the pedal assembly when the channels will not agree

P1577 Pedal Position Sensor Disagreement

Q: What does P1577 mean on a Ford?

P1577 — Pedal Position Sensor Disagreement. Applies to F-150, Super Duty, Explorer, Expedition with electronic throttle.

Category: Powertrain - Computer and Auxiliary Controls
Severity: Check Engine Light
Applies to: F-150, Super Duty, Explorer, Expedition with electronic throttle

What does P1577 mean on a Ford?

P1577 — Pedal Position Sensor Disagreement. This Ford-enhanced code applies to F-150, Super Duty, Explorer, Expedition with electronic throttle.

Common causes of P1577

One of the redundant pedal sensors drifting
Damaged pedal wiring affecting one channel
Corroded pedal connector
Failing pedal assembly
PCM reference fault to one sensor

How to fix P1577

Graph both pedal sensors and find the disagreeing channel
Inspect the pedal connector for corrosion
Check reference voltage to each sensor
Test the pedal sweep for smoothness on both channels
Replace the pedal assembly when the channels will not agree