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Ask tracker40 Your Own Question
tracker40, ASE Certified Technician
Category: Nissan
Satisfied Customers: 12833
Experience:  ASE Master Certified,35 years experience, Shop owner, electrical specialist
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I have a P0744 code in my Nissan Quest 2005, P0744. it came

Customer Question

I have a P0744 code in my Nissan Quest 2005
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: P0744. it came few months back and I reset it and it is back now
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I have not tried yet. If possible will try to fix it myself.
JA: Anything else you think the mechanic should know?
Customer: on the 3rd gear, the engine is whining and it jerks.
Submitted: 1 year ago.
Category: Nissan
Expert:  tracker40 replied 1 year ago.

Hello, not an easy code to address etc,, it can mean up to one of 3 things, all are mostly transmission internal, Since it goes so long without setting a code, it is very possible you have a sticking TCC valve/solenoid, To correct without a shop going in depth diagnostics and possible internal trans problem? this code can in fact set if fluid becomes a little degraded, I would suggest a trans service/fluid flush and fill , maybe? a trans additive but no required, Many times a fluid change/flush and fill will clean the valve, unstick it and all is fine, I know I have sent a very detailed file, but here is all the technical information on the code