Code result
P0744
Torque Converter Clutch Circuit Intermittent
High severity
What it means
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.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Intermittent wiring fault
highOne of the most commonly reported causes for this code — check this first.
TCC solenoid failing
mediumA plausible cause — test and verify before replacing parts.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Related help
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