P0741 — Torque Converter Clutch Circuit Performance / Stuck Off
What P0741 means
The engine or transmission control unit compares engine speed with transmission input speed while the torque converter clutch (TCC) is commanded on. Normally the clutch locks the converter at cruising speed so slip drops to nearly zero. P0741 sets when slip stays too high, meaning the clutch did not engage or cannot hold.
Symptoms
- Check Engine light on
- Worse fuel economy, especially on the highway
- Higher engine RPM at cruising speed
- Harsh or erratic shifting
- Shudder around 45–55 mph
- Transmission slipping or overheating
Possible causes
- Faulty TCC solenoid
- Low, worn or contaminated transmission fluid
- Damaged wiring or connector in the TCC circuit
- Worn clutch lining inside the torque converter
- Valve body hydraulic problems such as a sticking valve
- Rarely, a TCM/PCM software or internal fault
How to diagnose
- Scan for all codes and review freeze frame data for other transmission faults
- Check fluid level and condition: color, smell, and any metal or clutch debris
- Inspect the transmission harness and connector for corrosion, chafing or fluid intrusion
- Measure TCC solenoid resistance and compare it with the factory spec
- Test the solenoid circuit for opens, shorts to ground and shorts to power
- Use a scan tool to watch the TCC command and actual slip on a road test
- Check for available TCM/PCM software updates
- If needed, drop the pan and inspect the debris for valve body or converter wear
Common fixes
- Replace the fluid and filter if it is low or contaminated
- Repair the wiring or connector in the TCC circuit
- Replace the TCC solenoid
- Repair or replace the valve body
- Replace the torque converter
Questions and answers
Can I drive with a P0741 code?
Briefly, yes, but get it checked soon. Constant converter slip overheats the transmission and can turn a small fault into an expensive repair.
What most often causes P0741?
Low or old transmission fluid and a failing TCC solenoid are the most common causes. Check the fluid and wiring first before considering transmission disassembly.
Will a fluid change fix P0741?
It can if the cause was low or dirty fluid. If the clutch or valve body is already worn, a fluid change alone will not clear the code.
This is general information about the code. The meaning can differ between makes and models: a scan tool and the repair manual for your car will show the exact cause.