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What might cause 2004 4l80e to be in limp mode no speedometer and stuck in 2nd gear

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When the system goes into to Limp Home mode it means that a serious fault has occurred in the electronics or a mechanical failure has been sensed. What you need to do now is have the computer control system scanned for fault codes, this (the fault codes) will give you a starting point to diagnose the problem that has caused the Limp Home mode to be initiated by the computer control module.

Posted on Dec 20, 2016

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Posted on Jan 02, 2017

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1 Answer

Can a bad knock sensor cause a tranny to go stay in 2nd gear(limp mode)on a 2008 dodge ram 3.7 liter.Got 2 codes a #2 knock sensor and tcm power low voltage


The transmission is in limp-in mode because of the second DTC - TCM (transmission control module) low voltage. The knock sensor code has nothing to do with that. You need to have the TCM and transmission checked out.

Oct 15, 2016 | Dodge Cars & Trucks

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I have a 96 gmc Sonoma stuck in 2nd gear how do I fix it.tried to remove the gear box but its stuck


Usually, stuck on 2nd gear is a safety mode(limp in) used in modern vehicles. Have your vehicle transmission scanned for trouble codes and fix whatever caused the trouble code to set( if any). Or worse case scenario your transmission may need overhauling. Have your transmission checked by a qualified, honest tech. since the wrong call can cost you thousands of unneeded repairs.

Feb 07, 2016 | GMC Cars & Trucks

1 Answer

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.

Oct 06, 2012 | 1999 Plymouth Voyager

1 Answer

I have a 1999 Chrysler 300M. Simultaneously, the Check Engine light came on, the speedometer stopped working, and the car doesn't shift out of 2nd gear. What's the likely problem?


these vehicles have alot of problems with the tcm( tranmission control module) internal failures of trans speed sensors. your car is currently in "limp in mode" to protect your trasmission!!!

Sep 02, 2012 | 1999 Chrysler 300M

1 Answer

Indictor light on dash is on my car doesnt take off in first gear 1998 740il bmw


Sounds like your car is in limp mode, which means its stuck in 2nd gear, basically you can get to where your going and that's bout it..problem is that there is bout 50 different reasons as to why this could happen, most common reason is a faulty speed sensor, does your speedometer work?, I believe there are 2 speed sensors on that car, if your speedo is working it may be the input speed sensor, the output speed sensor also runs the speedometer.. To be safe you need to have the codes scanned in the trans, if you have speed sensor codes you got lucky cause that's cheap compared to what it could be...

Jun 15, 2012 | 1998 BMW 7 Series

2 Answers

1997 intrepid automatic transmission stuck in 2nd gear try to auto shift and it also stays in 2nd gear fluids are good but check engine light is on.


There are two speed sensors on the drivers side of this transmission. If your speedometer is working, replace the input sensor (closer to the front of the car). If the speedometer is not working, replace the output sensor(closer to the rear of the car). Or they cost less than 20 bucks, replace them both while you're underneath the car. They are dissimilar, so you cannot put the wrong one in the wrong place.

Sep 04, 2011 | 1997 Dodge Intrepid

1 Answer

My trans is stuck in second gear. Is that what


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!

Jul 30, 2010 | 2002 Chrysler Town & Country

1 Answer

My speedometer doesn't work and we need a wiring diagram that covers that part


not sure about your vehicle , but many chrysler products from that era had electronic speedometers that worked off the output shaft speed sensor , which is screwed into the 4 speed automatic transmission. Google A604 transmission , If yours looks like an A604 , chanses are it is the sensor , although I would have expected your trans would have gone into limp home mode and be stuck in 2nd gear

May 29, 2010 | 1993 Plymouth Voyager

1 Answer

Car wont shift from 2nd gear and speedometer doesnt work. diagnostic code p0700. what does this mean?


the PO700 code is a generic transmission code. You would need access to a proper scan tool to check for transmission codes. However if you speedo isnt working, it sounds as though you have a bad output speed sensor. This part runs about 60.00 from the dealer, and is fairly easy to install. No speed signal will put the transmission into limp mode, and keep it stuck in 2nd gear.

Nov 17, 2009 | 2000 Chrysler 300M

1 Answer

Speedometer not working


scan the van at Auto Zone or anywhere and see the problem

this is calle"Limp Mode" Chryslers default to 2nd gear to "limp" you home without getting stranded


hope this helps

Aug 07, 2008 | 1999 Plymouth Voyager

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