Doge Ram shift problem

Jake · 01-22-2007, 02:59 PM

I have a 1995 Dodge Ram 2500 series pickup. 4x4. Auto trans.
86k miles.
Shifting problem: Code #34
Symptoms:
Usually shifts from 1st to 2nd o.k. rpm can reach 3500 before it will shift into 3rd. 4th and o.d. shift normally.(this is an intermittent problem). Sometimes will not shift out of first gear until rpm's are very high. If I use the accelerator gently, it will shift correctly most of the time. If I press down hard on the accelerator, such as shifting into passing gear, it seems to start the shifting problems I just explained. Next time I start the truck it will shift through all gears perfectly. Code #34 still lit. I don't think it's the transmission that's the problem. I get no slippage and when operating normally, it shifts perfectly. Could it be a sensor?
Thanks;
Jake...

I changed the transmission filter and fluid. I also replaced the speed control on the transmission

DEP · 02-08-2007, 10:18 AM

I`am having the same problem,with my dodge,Does anybody know anything about this/ Sensor? I dont think its the tranny..Heck the Dodge dealer doesnt evan know.If they do there keeping quiet about it.

Larry O'Daniel · 02-11-2007, 09:12 PM

I was told by a transmission shot that my 96 RAM transmission was essentially a 727 with electronic sensors added. IF this were an older MOPAR I would quickly say you have a dirty valve body and possibly an almost clogged filter. Yes you changed the fluid, but how long ago, and how long before this time did you change it. Was it shifting this way before the change? If you have never changed the fluid/filter than you have possibly "cleaned" the trans and redeposited all of the "stuff" on the filter and valve body when you just changed it. The sensors certainly throw their own brand of problems which is obvious since the dealer doesn't want to commit to. You did not mention whether the truck didn't shift correctly when cold and worked fine when hot, or does temperature not make a difference.

Tucker Oil · 03-01-2007, 12:08 PM

every thing that I can find says that the coed #34 is the speed control vacuum or vent solenoid. but there was different symptomsso that just means that you need to check any vacuum lines and electrical conection conections.

willie vigil · 06-27-2008, 09:10 PM

try changing out the tranmission relay at the power distribution box or check shift solenoids on valve body . hope it works
.

01-22-2007, 02:59 PM	#1 (permalink)
Jake Junior Member Join Date: Jan 2007 Posts: 1	Doge Ram shift problem I have a 1995 Dodge Ram 2500 series pickup. 4x4. Auto trans. 86k miles. Shifting problem: Code #34 Symptoms: Usually shifts from 1st to 2nd o.k. rpm can reach 3500 before it will shift into 3rd. 4th and o.d. shift normally.(this is an intermittent problem). Sometimes will not shift out of first gear until rpm's are very high. If I use the accelerator gently, it will shift correctly most of the time. If I press down hard on the accelerator, such as shifting into passing gear, it seems to start the shifting problems I just explained. Next time I start the truck it will shift through all gears perfectly. Code #34 still lit. I don't think it's the transmission that's the problem. I get no slippage and when operating normally, it shifts perfectly. Could it be a sensor? Thanks; Jake... I changed the transmission filter and fluid. I also replaced the speed control on the transmission

03-01-2007, 12:08 PM	#4 (permalink)
Tucker Oil Senior Member Join Date: Mar 2007 Posts: 50	every thing that I can find says that the coed #34 is the speed control vacuum or vent solenoid. but there was different symptomsso that just means that you need to check any vacuum lines and electrical conection conections. __________________ 2000 dodge 3500 w/cummins turbo diesel, suncaost tranny, hrvp44, 110 hp injectors, AFE intake, mbrp 5", and Amsoil through out!! www.lubedealer.com/btucker mods thanks to www.dieselnut.com

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02-08-2007, 10:18 AM	#2 (permalink)
DEP Junior Member Join Date: Feb 2007 Posts: 3	I`am having the same problem,with my dodge,Does anybody know anything about this/ Sensor? I dont think its the tranny..Heck the Dodge dealer doesnt evan know.If they do there keeping quiet about it.

02-11-2007, 09:12 PM	#3 (permalink)
Larry O'Daniel Senior Member Join Date: Jul 2006 Location: Tulsa, stationed at Ft. Sill, OK Posts: 90	I was told by a transmission shot that my 96 RAM transmission was essentially a 727 with electronic sensors added. IF this were an older MOPAR I would quickly say you have a dirty valve body and possibly an almost clogged filter. Yes you changed the fluid, but how long ago, and how long before this time did you change it. Was it shifting this way before the change? If you have never changed the fluid/filter than you have possibly "cleaned" the trans and redeposited all of the "stuff" on the filter and valve body when you just changed it. The sensors certainly throw their own brand of problems which is obvious since the dealer doesn't want to commit to. You did not mention whether the truck didn't shift correctly when cold and worked fine when hot, or does temperature not make a difference.

06-27-2008, 09:10 PM	#5 (permalink)
willie vigil Junior Member Join Date: Jun 2008 Posts: 1	try changing out the tranmission relay at the power distribution box or check shift solenoids on valve body . hope it works .