Gear box fault - Cars & Trucks

limp mode is when the engine will not exceed set rpm's to protect the engine and gear box. What you have is a solenoid / servo that is not working properly due to several possible faults.. Check and/ or change the transmission oil. clean the filter. Have the bands and clutch packs adjusted. Have a pressure test done on the box to determine any internal faults . run the fault codes to check for a fault in the TCM

failed electronic stability control module.sits behind your gear stick.take it to a dealer to check the codes first.as they can check that part first. as two other things can go wrong in your gear box .but the codes will check that.

take the vehicle to your local fault code reader and plug the vehicle in to diagnostic equipment and go into the gear box control unit just like the E.C.U but for the gear box this should tell you any faults if this does not come up with any thing then try draining the oil and refilling with fresh I have known auto boxes play up just from old box oil if you are saying you hav a light on the dash then to save your self time messing with gear box oil (witch has a really nasty smell) get it plugged in first to eliminate electrical faults first hope this help good luck

gear fault box warning light means your transmission mechanical fault.

If you mean to say that the gear shifts when it is in parked condition then the possible fault can be with the clutch or the gear box.
Both these are serious problems and a thorough check is needed before any action is taken.
Please check the gear links to the gear box from the shifter, check the clutch play.
If all these externals seems good then the fault is within and needs helps to confirm/estimate before you proceed.

Fault in the gear box . This can be due to failure of the linkages, the shifters , the counter wheels or gears.
A fault in the gear box can be speculative and so unless the gear box is opened this cannot be confirmed.
You will need to decide if the job can be done with the tools and facility you have within your limits.

It could very well be the gear box. Before I read that part of your question I was leaning that way. It could also be a malfunctioning computer chip. I would find another garage that will diagnose the problem independently. Just tell them the problem don't say you had another garage look at it already. If they have the same result go with the lower bid or ask if they can be the lower bid. If they are different diagnosis you may want a third opinion. Of course this is assuming that each diagnosis is free. Good luck.

gear box fault is a problem with your transmission

adjust the line

hi if you remove the plug off the gear box ecu it will engage 3rd gear reverse and nutral you will be able to move it to your garage after that.