1999 Dodge Durango gears not shifting

Stuck in Low Gear ' Dodge Durango Forum

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Dec 8, 2019 - This could be a very serious malfunction (like burnt up discs), or an easy fix, (such as low fluid level, or failed speed sensor). But I would ...
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If it's in limp in mode it won't shift out of 2nd gear. Get the trouble codes read. The solenoid pack is a pretty common failure. But don't just throw parts at it. Get the codes first.

you locked it into a specific ratio when you went down hill in 2 nd
it will not upshift until you select drive again

the second code is govener pressure sensor. the pressure is to low. the first code is sensor voltage to low, i would check the wiring where it plugs into trans for corrosion. also make sure the kick down cable on the throttle is connected and not broke because this cable controls the line pressure.

There is no set shift point on any vehicle

If you hold the gas down longer or further
the shifts come later

Only the torque converter clutch lock-up
comes on at about 42 MPH, under even throttle
in high gear

I have seen alot of governor pressure issues whith those and sometimes the oxygen sensor can short out they share the same ground so if whoever works on this changes governor solenoid and pressure switch bring this to there attention and change the 02 sensor at same time.

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

Have the transmission filter replaced.

get your check engine light scanned it could tell you what is going on it might be the shift solenoid

ummm i would say you need to adjust your trans shift cable, check your fluid level, and the problem i had with my dodge was similar to yours... it was my 3rd-4th actuator spring, it had broke and couldnt hold the pressure to keep it in gear