P1223 Pedal Demand Sensor B Circuit High Input
What does P1223 mean on a Ford?
P1223 — Pedal Demand Sensor B Circuit High Input. This Ford-enhanced code applies to F-150, Super Duty with electronic throttle.
Common causes of P1223
- Open pedal demand B circuit
- Channel B shorted to voltage
- Failed pedal assembly
- Damaged pedal harness
- Reference fault
How to fix P1223
- Test channel B sweep voltage
- Check for opens and shorts to power
- Inspect the pedal harness
- Verify reference voltage
- Replace the pedal assembly if the circuit is intact