P1257 Pedal Correlation PDS2 and HPDS
What does P1257 mean on a Ford?
P1257 — Pedal Correlation PDS2 and HPDS. This Ford-enhanced code applies to F-150, Super Duty with redundant pedal sensors.
Common causes of P1257
- Secondary and high sensors disagreeing
- Worn secondary track
- Harness fault
- Failing pedal assembly
- Reference issue
How to fix P1257
- Graph secondary against high channels
- Check references to both
- Inspect the harness
- Test sweep smoothness
- Replace the pedal assembly if they will not agree