How to Fix 2002 Xterra No 4th Gear Tcc Code P0744 UPDATED
How to Fix 2002 Xterra No 4th Gear Tcc Code P0744
P0744 NISSAN Code - Torque Converter Clutch Circuit Intermittent
P0744 NISSAN code possible causes
- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness is open up or shorted
- Torque converter clutch solenoid valve circuit poor electrical connection
- Depression transmission fluid level
- Dirty transmission fluid
How exercise I fix the P0744 NISSAN code?
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
P0744 NISSAN lawmaking tech notes
When a manual solenoid is working intermittent, in almost cases, the problem is not the electrical part of the solenoid; the trouble is foreign material obstructing the mechanical function of the solenoid or the period of the fluid through the transmission valve trunk. If the manual fluid is very dirty, it's recommended to change the transmission fluid and, if possible, removing the transmission pan for farther diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a mechanical transmission failure and that the transmission will need to be rebuilt or replaced.
In that location is a manufacturing plant service bulletin for the following Nissan Models:
2007-2008 Nissan Altima
2007-2008 Nissan Rogue
2007-2008 Nissan Sentra
The bulletin suggests replacing the transmission valve body.
2007-2008 Nissan Altima, Rogue, Sentra Factory Service Bulletin OBDII Lawmaking P0744
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Toll of diagnosing the P0744 NISSAN code
Labor: 1.0
The cost of diagnosing the P0744 NISSAN code is 1.0 hour of labor. The auto repair'southward diagnosis time and labor rates vary by location, vehicle'southward make and model, and even your engine blazon. Most auto repair shops charge between $75 and $150 per hr.
What are P0744 NISSAN code possible symptoms?
- Engine Light ON (or Service Engine Soon Warning Low-cal)
P0744 NISSAN code clarification
The Torque Converter Clutch (TCC) solenoid valve is activated, with the gear in D4, past the Transmission Control Module (TCM) in response to signals sent from the vehicle speed and the Engine Control Module (ECM). Lock-upwards piston operation will and then exist controlled. When the torque converter clutch solenoid valve is activated, the torque converter lockup clutch volition appoint creating a 1 to i RPM ratio betwixt the transmission input shaft and the rotational speed of the torque converter.
Lock-up operation, nevertheless, is prohibited when A/T fluid temperature is too low.
When the accelerator pedal is depressed (less than 2/viii) in lock-up condition, the engine speed should not change abruptly. If there is a big leap in engine speed, there is no lock-up.
The P0744 is detected when A/T cannot perform lock-up even if the electrical excursion is adept.
P0744 NISSAN code comments
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Repair Importance Level: three
Repair Difficulty Level: 3
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How to Fix 2002 Xterra No 4th Gear Tcc Code P0744 UPDATED
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