P0740Medium Priority
Torque Converter Clutch Circuit Malfunction
Category: Powertrain• Transmission
16 articles · 5 makes affected
What is P0740?
Torque Converter Clutch Circuit Malfunction. Problem with the torque converter lockup system, affecting fuel economy and transmission operation.
Symptoms You May Notice
- ●Check engine light
- ●Poor fuel economy
- ●Transmission slipping
- ●Shuddering at highway speeds
- ●Overheating transmission
How to Fix It
- ●Replace transmission fluid and filter ($150-$300, intermediate)
- ●Replace torque converter ($800-$2000, professional)
- ●Replace TCC solenoid ($200-$500, intermediate)
Owner Statistics
Based on 19,425 real owner discussions • 625 confirmed solutions
$1,459
Average Repair Cost
3%
Success Rate
14%
DIY Repairs
19,425
Data Sources
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
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