OBD codes / P0741 / Honda Civic
P0741 on a Honda Civic
Torque Converter Clutch Circuit Performance/Stuck Off
Automatic-transmission R18/K24 Civics.
What P0741 usually means on a Civic
P0741 on an automatic Civic means the torque converter lockup clutch is not engaging the way the ECU expects. It often shows up as a subtle shudder at light throttle around 40-50 mph or slightly higher-than-normal RPM at cruise. Honda automatics can set this from worn lockup components or degraded fluid. Fresh fluid sometimes buys time, but a slipping converter clutch is the underlying wear item.
Most likely causes on this model
- Worn torque converter lockup clutch
The converter clutch material wears on higher-mileage Civic automatics, so it slips instead of locking.
- Degraded or low transmission fluid
Old or low Honda ATF changes lockup hydraulic behavior and sets P0741 - worth a fluid service first.
- Faulty lockup (TCC) solenoid
A sticking torque-converter-clutch solenoid fails to apply the converter clutch cleanly.
- Valve body wear
Worn passages in the valve body bleed off apply pressure to the converter clutch.
What it costs on a Civic
A Honda-spec ATF service is the cheap first move and occasionally clears a borderline P0741. A lockup solenoid is a moderate repair, while a torque converter replacement requires removing the transaxle and is a major expense. Get the fluid condition checked before committing to converter work on the Civic.
Year, engine and mileage change the answer. Get a diagnosis for your Civic — it weighs these causes against your exact configuration and real complaint data.
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Based on widely reported patterns for this model; individual causes vary by year, engine and history. Generic P0741 behavior is covered on the main P0741 page. Confirm with a scan tool before buying parts.