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Re: 2004 DODGE DURANGO, 5,9L ENGINE
The message is appearing because a sensor in the transmission, usually in the transmission fluid, detects higher than normal temperatures which is usually a result of increased friction which isnt good. I would get the sensor checked before you get the transmission worked on.
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P0300 is a Random Misfire P0302 #2 Cylinder Misfire U1120 The code U1120 means, lost wheel distance message. The powertrain control module(PCM) is not
receiving a signal from the anti-lock brake module. The problem could be a short in the bus circuit,
the PCM or the anti-lock brake module. This type of problem is best diagnosed by the dealer or a
local shop with the proper diagnostic scanning equipment. Hope this helps.
I will try to help..ihave a 2000 dodge durango with the 4.7 v8..My trans started shifting funny and the rpm's would go up to 2000+rpm when i was driving, which means i was getting really crappy gas mileage at 40mph..took it to shop, engine light on,put it on machine to diagnose..got a generic p0700 code plus a couple others..code basically says tranny is fn up..
Try this a cheap fix first that worked for me..on the transmission,driver side there are two sensors..input/output transmission speed sensors..to be exact..they send info to computer to regulate shift points in trans..upshift and downshift..replace them both although one may be the culprit..cost at the dealer here in Delaware was $40.72 for one..there is one bolt(8mm)and one electrical connection to each..time to replace both about 15minutes you don't even have to jack up truck but you will have to get underneath.
Hope this helps and good luck..if you change them and find the tranny shifting properly..cycling the on and off switch will eventually turn off the engine light..just drive it normally i mean..go here shut it off..get back in start it up and go..it will go out..good luck
Many modern vehicles will delay the shift position to allow rpms to increase, thus warming the engine up faster. As soon as the engine temp reaches the desired level, the transmission shift point resorts to the normal point.
This is an emissions issue, with the idea that a warm engine puts out lower emissions. This is also why when getting an emissions inspection in states that require it, they want the engine warmed up first.
At 24K miles, I would be hesitant to say the transmission fluid and filter need to be changed, but if it seems extremely noticable and objectionable, that would be the step I would take. Cold fluid is more viscuos, harder to push thru a clogged filter than a clean one. However, unless you've been towing a trailer a good bit, your mileage should be low enough that filter should not be an issue.
On your first listing you under 04 durango. But now it makes more sense. On that year truck i have replaced the 3-4 shift solenoid for this code many times. You have to remove the valve body from the trans. The solenoid mounted on the valvebody.