P1744 Torque Converter Clutch System Stuck in Off Position
What does P1744 mean on a Ford?
P1744 — Torque Converter Clutch System Stuck in Off Position. This Ford-enhanced code applies to F-150, Explorer, Ranger, Taurus.
Common causes of P1744
- TCC solenoid failed in the vented position
- Valve body bore wear bleeding converter apply pressure
- Seal failure inside the torque converter
- Low line pressure
- Control circuit fault holding the solenoid off
How to fix P1744
- Confirm zero lockup with slip data on a highway test
- Test the TCC solenoid and its circuit
- Check line pressure
- Inspect the valve body for bore wear
- Replace the solenoid, valve body parts or converter per findings