Late shift from 1st to 2nd changes into 2nd at 25 mph (1999 dodge ram 1500)

Governor pressure controls the 1st and 2nd shifts. After that is the 3 and 4 solenoids. you would need to look at the pressure when driving(takes a scanner). pressure is 20 to 30 PSI from 1st to 2nd, depends on acceleration. After that the pressure will jump to 100+ psi. Did you replace the governor solenoid and sensor? They are on the passenger side of the transmission and sit in a block that detaches from the valve body.

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Sep 8, 2009 - My 99 Dodge 2500 Ram won't accelerate..transmission is NOT slipping,.... It has been running fine and the check engine light even cleared itself yesterday.... So it wouldn't go into first gear and then 3 minutes later my check engine ... I have a1997 Dodge Ram 1500 with a 5.9L instead of the stock 5.2L. It ...

Dodge Ram Idle and Stalling Problems - Car Forums at Edmunds.com

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Aug 17, 2011 - 30 posts - ‎25 authors
Learn more about Dodge Ram Pickup 1500 at the Edmunds.com ... The crank sensorwas put on however it started stalling again. ... The truck starts fine, but will only runat 2000's RPM and only then if .... Then as I start driving about 1/3 of a mile go dead again, I knockout of gear, crank back up immediately.

WILL NOT GO OVER 30MPH WITH PEDLE TO METAL ...

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I WAS DRIVING FINE AND THE CAR ACTED LIKE IT GOT STUCK IN ... Then the transmission didn't want to change into 2nd gear. .... Whenever i start up my car theabs and esp light turn on and when i try driving it doesnt go over 30 mph even .... in neutral but not it just wont go up hills and i think it has something to do with

not likely, the speed sensor sends the info to the pcm and will affect gear change, though its highly unlikely that the speed sensor can make the pcm "read" first or second gear, speed sensor sends info to the pcm to help it decide when to shift gears/apply abs/ etc

the transmittion keeps shifting in & out of gear between 45 & 50 mph it shifts to a higher gear then a lower then higher then lower till I get above 50 mph whats the problem & how to fix it

yes sounds like the one of your transmission shift solenoids is out or going out on you check them out see if can see if wires loose or if they are faulty try get a diagram see if can find out which solenoid controls 1 and 2 gear theres 4 solenoids total i believe but this is your problem

speed sensor (or in my experience with these trucks is right on the rear end) thats where i have changed mine. its sits right on top of the hog head.

trans needs fluid or is going bad

Could be a restricted catalytic converter. Tap converter with hammer and see if it rattles. if does, replace it.

I have a 1999 Ram B 1500 Van, auto transmission, 5.9 L engine.
Same problem, trans hesitates in 2-3 upshift, sometimes 1-2
to 2-3 upshift. Posts trouble code P1756 - Transmission Govenor pressure too low at below 15 to 20 Psi. Transmission pump shot or valve body leak stops trans from reaching proper pressure to shift, which is minimum 15 Psi.
Either trans is leaking in valve body, valve is stuck, shift solenoid on valve body is sticking, or pump is shot.