Torque Converter Clutch System Stuck in Off Position
Findings, check these first
- 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
Standard procedure
- 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
Code lookup
Type a code above, or start from a symptom or a common code.
Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.
Sources and review
Review: checked against the recorded source material.
- OBDII.pro: P1744 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1744: Torque Converter Clutch System Performance
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
- P1744 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1744: Torque Converter Clutch System Stuck in Off Position
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.
Last updated 2026-09-04.
Report a correction for P1744. Include your vehicle, the issue and a source if you have one.
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