My durango wont shift out of 1st gear. there wasnt any sign just stopped shifting. looking for the cheapest way to fix this problem

speed sensor / speedometer drops too zero - Car Forums and ...

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Because the speed sensor isn't working the speedometer isn't working either. ...thinks you are stopped or going very slow and won't shift it out of first gear.

Won't Shift Out of First - BIONICDODGE.COM

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A friend of mine has a Durango, the tranny wont shift out of 1st. ... Tip: If its a speed sensor problem, you may find that the speedo isn't working very well. ... To check and see if 2nd gear is messed up mechanically, manually hold it in low 1, ...

21298304 Tack and speedometer quit working, won't shift ...

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My van won't shift into overdrive, speedometer isn't working, door locks are not ...My speedometer quit workin and my gears are a lil hard shiftin and i have no ...

Speedometer Odometer trans shift issue - Ford Truck Enthusiasts Forums

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be looking at fuel pressure filter clogged.. and tune up proceedures..

take bottom pan off clean out your pressure sensor .. tends to get mini metl flakes caught up in there wich is also a bad sign that your tranny is going out but this will buy you atleast another 2 to 3 months

shift sensor in trans bad take the tarns apart . well drop pan n fluid the drop out the valve body then u can see the shift sensor

shift solenoid needs to be replaced or the speed sensor

most likely if this happened all of a sudden your gear shift cable is bad or had become detached if the shift er inside the truck feels very easy to move between gears it is the cable and the track has not showed signs of a bad transmission in the recent past see link Dodge Durango shift cable the easiest way to repair Kit includes...

sounds like the shifter cable is out of adjustment that will cause both problems

are there any DTC's if there is It is likely the selonoid valve assembly if not then it is likely in the valve body and easy to fix.

had the same problem it was a broken OD accumulator piston spring in the valve body. Just buy a transco SK 45RFE shift kit it comes with all the accumulator piston seals an updated and much thicker and stronger accumulator retainer plate AND the kit includes a "spare" set of accumulator springs (1 large & 1 small) in case the spring(s) are broken ,which they do from timt to time. It is only 6 bolts to remove the valve body (carefully) and 7 screws to remove the accumulator plate to access the accumulator pistons and springs. The instructions included in the kit are excellent and very straight forword, you won't need all of the parts but save them they may come in handy some day later.

I am asumin your saying that the transmission wont shift from 1st to 2nd gears. What this could be is either a low fliuid problem or an internal failure of the transmission. I believe the transmission govenor on those units can cause a bad hifting problem. Looks like your set for a tranny rebuild

Here is your answer:
http://en.wikipedia.org/wiki/Electronically_commutated_motor