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Did you fix the over heating problem? No use going to the transmission until that is fixed. With those codes, you are probably in limp mode, 2nd gear. I would still drive it around the neighborhood a while to make sure the over heat problem is fixed. The only reason I say this is because it is a 2000. Not worth throwing away another $400 in transmission parts, if the engine has a blown head gasket.
Well code 700 is a generic code that means there is a problem with the transmission or the control module. Code 731 is for a problem with first gear which would explain why it stays in second gear. Someone will need to check the circuits involved with first gear and the trans control module. A shop manual will be necessary to get the testing procedures.
P0455 = Evap leak monitor large leak detected. This code usually means the gas cap may have been loose or needs the rubber gasket.
P0500 = No vehicle speed sensor signal. Vehicle speed sensor is located on the transmission near one of the axle shafts (it may need replacing).
P0700 = EATX controller DTC present. This simply means you have transmission related codes.
P0732 = Gear ratio error in 2nd gear. This code is of some concern, it means the transmission is slipping in 2nd gear. However the trans may be in limp mode due to the speed sensor code (limp mode means the trans starts out in second gear in order to at least get to a mechanic). The first thing I would do is have these codes cleared as there may be absolutely nothing wrong with the transmission (especially if you pull the trans dip stick and the fluid does not have a burnt smell. The vehicle should drive normally after that. If the check engine light comes back, have the codes scanned ASAP (before any other unrelated code sets). Chances are it may be the output speed sensor if this happens (easy fix). Hope this helps
Hi, the 0700 code is not explanatory, Code P0700 simply means that there is a code stored in the transmission control unit which sounds like you are in a limp mode. The first thing we need to do is get these codes. They will have to be read with a code reader or scan tool. Almost all parts stores will read codes for free. If you could have the codes read and come back and post them here I'll be able to tell you what to do to fix it.
p1781 is manufacturer control transmission, p0731 is gear 1 ratio incorrect, p1784 is manufacturer control transmission, p0700 is trans, control system malfunction. all of these codes refer to tranny.This code normally points to a faulty transmission control module, but this is an expensive part and you should have an experienced Dodge technician diagnose the problem first. or a transmission specialist. the other codes are probably associated with the p0700 code. have a good day !
Check the connection to the vehicle speed sensor. You can check the vehicle speed sensor by using a voltmeter set at millivolt. Then pass a metallic object close to it. The sensor should induce voltage as you pass the metallic object close to it. If not replace the vehicle speed sensor.