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Limp Mode Transmission

Hi. I owe at E280 2007 model. It keeps going into limp mode. The mechanic clears the computer and its right again or if I leave it for a while it right itself. Now though it has gone into limp mode and I left it overnight and it has not gone away. What would be the problem its driving me crazy.

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If your mechanic is clearing the code he should also be able to diagnose the code he is clearing. Your transmission is in safe mode or limp home. Take it to a shop that knows what they are doing

Posted on Oct 20, 2013

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  • maree peters
    maree peters Oct 20, 2013

    It has done it several times now. The computer said it was something not sure what it was but mechanic changed it and it was right for awhile. Then it did it again he put thing on it and it said something else so he cleared computer and it was right again. Then it did it again and it said it didnt read key so he cleared it and i changed the battery and its been ok for a week. Now its done it again and while usually if i leave car off overnight it rights itself. But this time it hasnt i just dont know what to do now. Should i take it to Mecedes mechanic and pay alot of money for them to look at it. I appreciate your comments. Thank You.

  • mekanik84 Oct 20, 2013

    It sounds like your mechanic is guessing at the problem, this will most likely cost you more due to repairs he's completed that have not solved the problem. Everytime the computers memory is erased the vehicle is ok until the drive cycle is completed and the computer recogniZes your car has a problem. Take the car to an independent European repair facility or yes bite the bullet and pay the dealer. You are wasting your time and money with your mechanic now. Clearing a code stored in the ECM does nothgn

  • mekanik84 Oct 20, 2013

    Nothing to solve your problem.

  • mekanik84 Oct 20, 2013

    Many sensors can cause a car to go into limp mode, sounds like your it only starts giving you problems when the car warms up. So when your car in closed loop, you probably have a problems with a primary input sensor such as primary o2s. Coolant temp sensor, maf sensor etc.



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SOURCE: Transmission Limp Mode


Posted on Jun 22, 2009

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SOURCE: 2002 chrysler town and country wont leave limp mode

try getting a new shift solenoid for it. i had the same problem on my 2002 chrysler town and country and my plymouth breeze which is also a dodge product. it is very simple to do and doesnt take all that long. the part will probably run you about 150 to 200 dollars but it should fix your problem.

Posted on Apr 04, 2009

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SOURCE: 1998 honda accord transmission goes into limp mode

the vehicle may have a electrical problem and or mechanical problem in the try replaceing the solenoids and then the entire transmision and torque converter.

Posted on Apr 05, 2009

  • 11 Answers

SOURCE: limp mode on a automatic

Firstly, disconnect the battery and leave it for a few hours. Reconnect and try the car again. This resets the memory in the TCM. If the car picks up the faults again, it will go into limp mode again after a short while. If it's been a while since you changed the fluid, then put some seafoam transtune in to clean all the parts and plates. Then after a few days at least, preferably a week, go for a fluid and filter change. After this, you'll probably find it will go into limp mode again, just disconnect the battery again and reconnect after a few hours. I had the same problem in my chrysler T&C. I left seafoam in it for a week and it cleaned up all of the gum and varnish build up on the shift solenoid pack and plates.

If the problem persists, and after you find it allows you to change gears for a while and then goes into limp mode, it could be gummed up solenoid pack, or input speed sensor.

Go to o'reillys and plug in their diagnostic tool. It should provide you with the fault codes if any. If no codes, then your TCM and ECM are in good shape, and if you're lucky then it'll be something simple like a sensor, or solenoid. Try cleaning it first with seafoam transtune in the fluid for a week.

If all else fails, and their are fault codes, then take the car to a trusted transmission repair shop for a road test. The computer could be picking up slippage and making the car go into limp mode. This could be the clutch plates if no errors with the TCM, ECM are present, and you've ended up checking out the input speed sensor, and solenoid pack. The latter can cause hard shifting and slippage too, if the seed sensor is set to signal when to change gear, but the new oil, or old oil have made the friction slightly different to what it is used to or within factory limits. Firstly try reseting the TCM by disconnecting the battery for a while and see what happens.

Good luck

Posted on Jul 25, 2009

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SOURCE: My Audi A3 2.0 tdi limp mode/turbo overboost

i also have done a diagnostic test and it states a turbo overboost condition and it drives fine locally but loses power on the motorway and struggles to reach 80mph? any suggestions please email me at

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