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My commodore vs is stuck in limp mode. how do i fix it

I have reverse gear. can use sift for second gear, but car is stuck in3rd

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

keemo68
  • 1263 Answers

SOURCE: 2005 Nissan pathfinder slow acel. Limp mode? HELP PLEASE

it does seem that that might be the problem. the only way that you can fix it is to go through the ecm and reset it. this requires a diagnostic scan tool not just a code reader. when the tcm was changed was the ecm cleared?. if not this would explain alot because the ecm still thinks there is a fault. please rate this thanks.

Posted on Sep 28, 2008

  • 1 Answer

SOURCE: automatic transmission is stuck in 2nd gear (limp mode)

most newer vehicles  have transmission control modules,that go to a default of 2nd or 3rd gear when they go bad!  I had a 91 plymouth stuck in 3rd gear because of this module! could be your problem!    when mine went out, it smelled like something electrical burned inside the the passenger cabin! I would check all the electrical connections on the transmission first    good luck   

Posted on Jan 05, 2009

  • 2 Answers

SOURCE: vehical stuck in limp mode

This only applies if you have an allison transmission, which based on the problem you are reporting I would guess that you do.

It sounds like your vehicle is stuck in limp mode. This is probably due to a bad NSBU switch(Neutral, saftey, back up) (if you have an allison transmission. Prior to 2002 the NSBU switches had a very poor seal which resulted in water intrusion into the NSBU switch causing corrosion. If the switch is corroded it is likley confusing your transmission. Unfortunatly you cannot repair the bad switch, it needs to be replaced. If you order one through Chevy it will cost around 200 dollars. I found one at merchant Automotive for 91 dollars. ( http://www.merchant-automotive.com/allisonnsbuswitch2001-2004.aspx ).

The switch is relativly easy to replace. the electrical connections are the hardest part as they are glued into the switch. A little heat from a butane torch should soften it up and make the connectors slide off more easily. Other wise you may have to break the NSBU switch appart to remove the connectors.

I replaced the switch for the first time and it took me 15 minutes.

Posted on Apr 22, 2009

SOURCE: 1992 3000gt automatic stuck in limp mode,(3rd and rev.) HELP!

the car has the capablilites to give data and codes. You gunna need a professional if you dont have access to a scanner and multimeter. Otherwise were just guessing.
I hate telling people that its out of their hands but sometimes its best to let the pro diag it and then you can repair it if you capable

Posted on Nov 26, 2009

  • 2 Answers

SOURCE: automatic transmission is stuck in 2nd gear (limp mode)

it is eletical eather a fuse is blown or the speed sensor didnt get hooked up dose spedo work

Posted on Apr 01, 2010

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2 Answers

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It might be in 3rd gear could be in limp in mode if computer detected a problem, hook up a scanner and have it checked for codes

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Tranmission wont shift


Gears inside welded together, or stuck in limp home mode. Is it stuck in a gear other than 1st or reverse? Limp home mode will select one gear, usually 2nd, when computer senses a problem with valve body pressure, or excessive heat. Either way it sounds like a trip to the ****** shop.

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Own 2002 dodge caravan with 3.3 liter motor. The engine light is on and the tranny is now stuck in second gear.


That's called "Limp in Mode" Something in the transmission has failed. You may have lost 3rd gear, or reverse, or some other problem. The TCU (transmission control unit) has detected a fault, and has put the tranny in to 2nd gear. That way you can still drive it to the local dealer so they can repair it. Limp in mode keep you going so you don't have to have it towed. However, since it is only second gear, you won't want to drive very fast, probably no more than 30pmh, and you will want to get it checked out as soon as you can. Could be something as simple as a sensor failing or coming unplugged, or an internal failure with one of the bands, servoce, solenoids, or bands or clutch packs.

When you start it up and drive it the next time, pay close attention to how it shifts. Does it instantly put you into limp mode (First gear failure) or when it tries to shift into 3rd, and then put s you back into seond for limp more. this information will be important in getting an estimate. I appologize for any typpos here, as this form is not letting me see what I am typing.

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The town and country vans are know for transmission problems and it would not be stuck in 2nd gear if it was in limp mode. Limp mode typically controls the engine. I have seen people do a transmission flush/filter and add lucas to temporary fix the problem. There is also a good chance that the transmission has a solenoid problem preventing it from shifting into any other gears but second. Hope this helps!

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sounds like to prndl switch may be malfunctioning.
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Gear box for ed sedan


If the actual gear stick is hard to move you will find the linkages are stuck on something, if it moves freely and still doesnt change theres two things it could be, first is motor was incorrectly installed or second is the gearbox has gone into limp mode, limp mode is a factory set mode that keeps the car in 3rd gear for a 3 speed or 4th in a 4 speed, in the ba's i had this problem with my car, limp mode is only a safety measure to get you home and should be looked at immediatley.

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