P0744 2009 Nissan Rogue Code - Torque Converter Clutch Circuit Intermittent
Quick Answer
The Torque Converter Clutch (TCC) solenoid valve is activated, with the gear in D4, by the Transmission Control Module (TCM) in response to signals sent from the vehicle speed and the Engine Control Module (ECM). Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Torque Converter Clutch (TCC) Solenoid Valve. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0744 2009 Nissan Rogue indicates Torque Converter Clutch Circuit Intermittent.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Torque Converter Clutch (TCC) Solenoid Valve.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0744 2009 Nissan Rogue Description
The lock-up operation, however, is prohibited when A/T fluid temperature is too low.
When the accelerator pedal is depressed (less than 2/8) in lock-up conditions, the engine speed should not change abruptly. If there is a big jump in engine speed, there is no lock-up.
This Diagnostic Trouble Code (DTC) is detected when the torque converter clutch does not lock-up as instructed by the TCM. This is not only caused by electrical malfunctions (circuits open or shorted), but also by mechanical malfunctions such as control valve sticking, improper solenoid valve operation, etc.
What are the Possible Causes of the DTC P0744 2009 Nissan Rogue?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty Torque Converter Clutch (TCC) Solenoid Valve
- Torque Converter Clutch Solenoid Valve harness is open or shorted
- Torque Converter Clutch Solenoid Valve circuit poor electrical connection
How to Fix the DTC P0744 2009 Nissan Rogue?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0744 2009 Nissan Rogue code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0744 2009 Nissan Rogue Code
1. What does the OBDII code P0744 mean on a 2009 Nissan Rogue?
P0744 indicates an intermittent issue in the torque converter clutch (TCC) circuit, which affects the vehicle's ability to lock up the torque converter properly.
2. What are the common symptoms of code P0744 in a 2009 Nissan Rogue?
Symptoms may include poor fuel economy, slipping transmission, delayed shifting, shuddering during acceleration, and the activation of the Check Engine Light.
3. What causes the P0744 code in a 2009 Nissan Rogue?
Common causes include a faulty torque converter clutch solenoid, low or dirty transmission fluid, damaged wiring or connectors in the TCC circuit, or internal transmission issues.
4. Can driving with code P0744 damage my 2009 Nissan Rogue?
Yes, prolonged driving with this code may cause increased wear on the transmission, overheating, and further damage to internal components.
5. How do I fix the P0744 code on a 2009 Nissan Rogue?
Repairs may involve replacing the TCC solenoid, fixing damaged wiring or connectors, flushing and refilling the transmission fluid, or addressing internal transmission issues.
6. How can I diagnose the P0744 code on my 2009 Nissan Rogue?
Start by checking the transmission fluid level and condition, inspecting the wiring and connectors in the TCC circuit, and using a scan tool to monitor the solenoid's operation.
7. Is a transmission fluid flush necessary to fix code P0744?
A transmission fluid flush may help if the fluid is low, dirty, or contaminated, but it won't fix the issue if the solenoid or wiring is faulty.
8. How much does it cost to repair the P0744 code on a 2009 Nissan Rogue?
The cost varies depending on the repair, ranging from $100-$300 for a solenoid replacement to $1,000 or more if internal transmission repairs are needed.
9. Can I clear the P0744 code without repairs?
Clearing the code with an OBDII scan tool may reset the Check Engine Light temporarily, but the underlying issue will likely cause the code to return.
10. Does the P0744 code mean I need a new transmission for my 2009 Nissan Rogue?
Not necessarily. The issue could be minor, such as a faulty solenoid or wiring problem, and may not require a full transmission replacement.
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