Engine Error
P0744
Torque Converter Clutch Circuit Intermittent
Severity
Medium
Symptoms
Engine RPM fluctuates at cruising speed, check engine light
Common Causes
- Intermittent wiring connection to TCC solenoid
- Failing TCC solenoid
- Dirty transmission fluid causing sticking valve
- Worn torque converter clutch lining
How to Fix
- 1 Check and repair transmission harness connector
- 2 Replace TCC solenoid
- 3 Perform a transmission fluid flush
- 4 Replace torque converter
Estimated Repair Cost
USD
$150
–
$1800
Solenoid: $250 - $500; Torque Converter: $1,200+