P0744
Torque Converter Clutch Circuit Intermittent
Generic code
Transmission System
High severity
Hard repair
Free on OBD DashX
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What P0744 means
- The fault code P0744 indicates an intermittent problem with the circuit that controls the torque converter clutch. This may cause poor shifting, decreased fuel efficiency, and increased emissions.
Possible symptoms
- Poor shifting
- Decreased fuel efficiency
- Increased emissions
- Illuminated check engine light
Possible causes
- Damaged or faulty wiring in the torque converter clutch circuit
- Corroded or dirty transmission fluid or filter
- Malfunctioning torque converter clutch solenoid
- Failed transmission control module (TCM)
Related parts
- Torque Converter Clutch: The torque converter allows shifting gears in an automatic transmission. It is the equivalent of a clutch in manual transmission system. The torque converter clutch creates a connection between the engine output and the transmission input. Problem leads to decreased fuel economy
Possible solutions
- Inspect and repair any damaged wiring or connections in the circuit
- Replace the torque converter clutch solenoid
- Perform a transmission fluid and filter change
- Replace the transmission control module (TCM) if necessary
Free on OBD DashX
P0744 on OBD DashX
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