Question about 2000 Nissan Altima

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Can my torque converter sensor cause my transmission not to shift

2000 altima, torque converter sensor pops up on scanner

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  • Anonymous Mar 31, 2014

    leaking behind torque converter

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  • Nissan Master
  • 5,520 Answers

I think it can and I remember problems with the PCM in the transmission controls had recalls. First check your fluid levels and see if it is low. You may get lucky to just add fluid. You may be better off running your VIN# to see if there were recalls on your car at the dealer. Best of Luck.

Posted on Jul 21, 2009

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Posted on Jan 02, 2017

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2 Answers

Two codes coming up on car even after fixing alot on car now need to figure out low cost ways to fix P0744 & P0722 code issues spent 1,800 on car & have spent 1,400 already in parts & labor.


you need a better mechanic that traces ALL of the possibilities of each code, not just read the code and trow in a part hoping that it's fixed ~ it can be wiring as well, not just plug in a new part as mentioned on the 2nd trouble code to the vehicle speed sensor

P0744 Torque Converter Clutch Circuit Intermittent


P0722 Output Speed Sensor No Signal

the first of the 2 looks to be more intensive to trace and find out the problem & the 0722 is the easier job for an intermediate mechanic to trace the wiring for continuity

Apr 20, 2015 | Cars & Trucks

2 Answers

Torque converter clutch


It should be attached to transmission block, I will see if I find a diagram.

May 29, 2008 | 2001 Nissan Altima

1 Answer

Why doesnt my nissan altima shift


Im assuming you mean that the vehicle wont move when put it in gear and its an automatic! Check the transmission fluid level if it is ok check if vehicle will move in any other gear reverse 1 or L etc. If not it maybe a torque converter issue and maybe best for a transmission shop to sort

Apr 14, 2014 | 2005 Nissan Altima

1 Answer

2002 NISSIAN ALTIMA SHIFTS FINE UNTIL YOU COME TO A STOP THEN IT WONT SHIFT OUT OF FIRST UNTIL YOU TURN OFF THE CAR AND START AGIAN


I suggest replacing your MODULATOR VALVE on the transmission. This valve, under pressure from the engine, controls how the vehicle shifts. It is possible that the valve is good, and you just have a leak in the rubber hose that connects to the valve. I have not heard any issues from the 02' Nissan Altima about the transmission. If the valve is disconnected from the hose, you should notice some smoke either from the transmission, or under the hood by the exhaust.(NOT ALWAYS NOTICEABLE) Second, the automatic transmission has several internal components, that if one fails, can cause a cascade of issues. The TORQUE CONVERTER under cyntrifical force, converts the power from your engine, into a hydrolic pump that feeds the transmission. If this becomes clogged, the transmission will not shift correctly. A transmission flush might cure your shifting issue. During the flush, replace the transmission filter. As if his is clogged for any reason, it will not supply enough fluid to the transmission, and could cause permanent damage to the transmission.I hope this helps. Good luck.

Mar 28, 2013 | 2002 Nissan Altima

3 Answers

Code p731 p732 p172


code p0731 p0732 are internal gear ratio trans. codes and p0172 vehicle running rich can also be caused if vehicle trans. is slipping

Aug 28, 2012 | 2000 Nissan Maxima

1 Answer

Codes po740, po743 ? po753 all at once. Where should i begin for repairs?


You must do the diagnostics for each code.
Here are the possibilitesP0740 DODGE - Torque Converter Clutch Circuitxicon.jpghttp://engine-codes.com/p0740_dodge.htmlForum CodePossible causes- Low transmission fluid level
- Dirty transmission fluid
- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
- Torque converter clutch solenoid valve circuit is open or shorted
P0743 DODGE - Torque Converter Clutch Solenoid Circuitxicon.jpghttp://engine-codes.com/p0743_dodge.htmlForum CodePossible causes- Faulty torque converter clutch solenoid valve
- Torque converter clutch solenoid valve harness or connectors
- Torque converter clutch solenoid valve circuit is open or shorted
- Low transmission fluid level
- Dirty transmission fluid

P0753 DODGEP0753 DODGE - 3-4 Shift Solenoid Relayxicon.jpghttp://engine-codes.com/p0753_dodge.htmlForum CodePossible causes- Faulty shift solenoid valve
- Shift solenoid valve harness or connectors
- Shift solenoid valve circuit is open or shorted
- Low transmission fluid level
- Dirty transmission fluid

Jul 03, 2012 | 1997 Dodge Ram 1500 Club Cab

2 Answers

Code p0734 I just replaced eng. and trans. now have this code.


Engine Light ON (or Service Engine Soon Warning Light)
- Incorrect transmission shifting Possible causes - Low transmission fluid level
- Dirty transmission fluid
- Shift solenoids
- Transmission mechanical problems
- Transmission hydraulic control circuit Tech notes Start by inspecting the transmission fluid level and condition, and change fluid if necessary. When is the code detected? P0734 is detected when A/T cannot be shifted to the 4th gear position even if electrical circuit is good. P0734 NISSAN Description This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by Transmission Control Module (TCM) as follows:

Torque converter slip ratio = A x C/B

A: Output shaft revolution signal from revolution sensor
B: Engine speed signal from Engine Control Module (ECM)
C: Gear ratio determined as gear position which TCM supposes

If the actual gear position is higher than the position (4th) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.

Aug 09, 2011 | 1995 Nissan Altima

1 Answer

My bravada (2000) has a transmission problem. I took it to an expert and he said it doesnt have a second gear and it will cost 1200 to 1800 to fix. Is there any other way? Is there any recalls on this year...


CHECK TRANSMISSION FLUID LEVEL.IF TRANSMISSION FLUID AND FILTER BEEN CHANGED.MAKE SURE ENGINE FINE TUNED AND TRANSMISSION DOWN SHIFT CABLE HAS BEEN ADJUSTED.OTHER POSSIBLE CAUSES TRANSMISSION NOT SHIFT TO SECOND GEAR. YOU HAVE FAULTY STUCK 1 - 2 SHIFT SOLENOID. OR TORQUE CONVERTER SLIPPING NOT LOCKING UP DUE TO DAMAGED TORQUE CONVERTER CLUTCH VALVE OR TORQUE CONVERTER FAULTY.

May 19, 2011 | 2000 Oldsmobile Bravada

1 Answer

Transmission won't shift into high gear at quick acceleration


It could be caused by many different things, modulator, vacuum leak, or shift sensor. Has it had a shift kit installed, this can also be a cause. It could also be a bad torque converter. Make sure the fluid is at the right level and the right type. You should have your car seen by a transmission specialist to get a diagnosis.

Jul 25, 2010 | 2000 Dodge Durango

1 Answer

Model 2000 GMC shifting problem 4l80e transmission.


did you replace the torque converter I am having the same problem and I have been told the torque converter could be bad

Jun 07, 2009 | 1996 GMC Suburban

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