Powertrain
generic / SAE
P0744
Torque Converter Clutch Circuit Intermittent
The TCC circuit drops in and out — intermittent open or short. Symptoms include erratic shudder at lock-up speeds and intermittent engine stalls when stopping.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 44
Possible causes
- Intermittent wiring fault high
- TCC solenoid failing medium
- Connector with intermittent contact under vibration low
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–8 h
- Component: tcc solenoid
- Component: solenoid wiring
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012