nikolav
Date Registered: 06-2017
TOTAL POSTS: 44
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2011 T31, auto - possible transmission problem - error code P0744
Guys,
I purchased my second second-hand X-trail 2 weeks ago. It's 2011, auto, 2.5L. When I test drove the car I couldn't feel anything unusual, but later in the heavy traffic jam, the car shakes when I drove it very slow. It feels like you drive a manual car very slow in very high gear. So I had to manual (Tiptronic) low gear to drive normally. Then I was waiting on a very steep uphill at the traffic light and when the green came, I pressed the gas, the gar jumped and entered in I reckon limp mode - moving very slowly. I couldn't rev or change gear. I had to restart the car to make it go. Then straight to a transmission specialist. There was an error code (no light on the dash) - P0744. But all they did was to check the transmission oil and said the transmission and the torque converter were OK.
I read about that error and it could be something not necessarily mechanical: https://www.engine-codes.com/p0744_nissan.html
But no one checked that, and they are supposed to be the best around here (Auckland, New Zealand).
Provided it's not a mechanical issue, how big of a job is testing the torque converter clutch solenoid valve and/or harness? If that doesn't involve removing the whole transmission, but only the tray and filter I reckon it should be 2-3 hours max?
And what's the cost of replacing this solenoid?
Any other ideas?
Cheers,
Nick
--- 2001 Nissan X-trail 2.0 Auto - now with a happy new owner
2011 Nissan X-trail T31 2.5 Auto
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10/Dec/2020, 1:20 pm
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Revhead Kev
Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6355
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Re: 2011 T31, auto - possible transmission problem - error code P0744
A suggestion is to flush the transmission oil and see if things improve as it might just be some gunk partially or occasionally blocking a valve port.
If the flush does not improve things then next would be to have the valve assemble cleaned.
--- Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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10/Dec/2020, 8:54 pm
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