Question about 2004 Dodge Ram

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03 dodge ram 2500 diesel automatic. Shifts erratically from time

03 dodge ram 2500 diesel automatic. Shifts erratic from time to time. Believe it is between 2nd and 3rd. Sometimes rev it up and take foot off pedal like a standard and it shifts. Found code P0700. Thanks. Happened 1 1/2 years ago and replaced module about the size of your hand on firewall. Cured problem then but now is back!

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Sounds like solenoid failing . Most of the time when solenoid fails it won't show on the code reader. U can read them with special scanner, but only if you know the proper numbers that will show when u read them. Most good transmission shops, have that tool and they can read it for u.

Posted on Nov 18, 2017

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  • Dodge Master
  • 48,532 Answers

Get codes read again . electronics do fail quite often

Posted on Nov 18, 2017

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Posted on Jan 02, 2017

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SOURCE: 2002 dodge ram 2500 diesel

I'm no expert, but I am on my second Dodge. I have a 2004 Ram 2500, 125k miles on it. I traded in my 2001 1500 with 99k on it.
Your problem sounds like one of two things that happened to me. At 110k mi's it was not accelerating properly, particularly between 40 and 50 mph. It turned out my torque converter was going bad and I ignored it for too long and it's disintegrated pieces ruined my transmission. I recommend getting over to Aamco right away or to the dealer if you are still in warranty and have the TC checked out. The diesel is just too much torque for a torque converter on the automatic transmission, but manuals are too much of a pain these days. $2300 at Aamco to have the TC replaced and the tranny rebuilt.

The new problem I have now is when it acted like it was out of fuel and then wouldn't turn over after it died. My fuel lift pump (diesels have two of everything and the expensive one is always what goes) has gone bad and is currently being replaced, $700 part, plus another few hundred in labor.
Hope this helps.
B

Posted on Oct 28, 2008

  • 5 Answers

SOURCE: Cummins Diesel Truck Erratic Speedometer and Shifting

Although you didn't mention it, the speedometer probably bounces also. Replacing the speed sensor on the side of the transmission should solve both your problems. Good luck

Posted on Apr 10, 2009

Molson02536
  • 3854 Answers

SOURCE: p0700 p0720

Check the wire harness, make sure there are no breaks or crushed wires. Also check the wire harness to the TCM, look for any loose connections. Good luck and keep me posted. Be glad to help. 

Posted on Jun 30, 2009

eric_sage
  • 58 Answers

SOURCE: my 2000 durango shifts erratically going up hill

Try and change the transmission fluide and the screen.

Posted on Feb 01, 2010

moparhart
  • 245 Answers

SOURCE: My 2002 dodge 2500 diesel automatic shutters when shifting 3-4th

Hello.
Yes your corect,,,, i would look at the TPS, If there was more things going on i would look into the transmission, And you kno what a lot of people make this error and after spending 4 grand on a transmision it still does it,Yikes!,,,,,,,,,,, I inclosed a link you can read where i wrie at that will give you tips and tricks on the diesel and the driveline. Let me know if i can help more!
http://www.dieselgiant.com/dodge_diesel_maintenance_tips.htm
Thanks

Posted on Jul 14, 2010

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My 2002 dodge 2500 diesel automatic shutters when shifting 3-4th


Hello.
Yes your corect,,,, i would look at the TPS, If there was more things going on i would look into the transmission, And you kno what a lot of people make this error and after spending 4 grand on a transmision it still does it,Yikes!,,,,,,,,,,, I inclosed a link you can read where i wrie at that will give you tips and tricks on the diesel and the driveline. Let me know if i can help more!
http://www.dieselgiant.com/dodge_diesel_maintenance_tips.htm
Thanks

Jul 14, 2010 | 1999 Dodge Ram 2500 4WD

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PICKUP DOWN SHIFTS WHEN ACCELERATED


Attach a diagnostic computer to the leads on your engine.
Check the codes to confirm that the onboard computer is choosing to shift under the correct conditions.

Or, get your local Dodge dealer (before they go bankrupt) to run the computer-diagnosis.

Jun 01, 2009 | 2005 Dodge Ram 2500 Truck

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Cummins Diesel Truck Erratic Speedometer and Shifting


Although you didn't mention it, the speedometer probably bounces also. Replacing the speed sensor on the side of the transmission should solve both your problems. Good luck

Apr 10, 2009 | 1996 Dodge Ram

7 Answers

2002 dodge ram 2500 diesel truck shifts in and out of gear around 40 to 50 miles per hour


When your truck is shifting like you mentioned you need to check the battery cables. Better yet just replace the cables. Even a small amount of corrosion can cause a break down in the flow of current to the trans computer and cause erratic shifting. New cables should fix you right up. If this does not take care you need to start looking into "noise" from the alternator wire or other electrical interferrence. Another possible solution is to install a Hapi Box which clears interferrence in the wire from the TPS to the trans computer. It worked on my '02 until the cables corroded. I stripped back about 6" and found a mess in there. Good luck. (oh, Dodge will seel you a new trans to fix this problem. Be ware.)

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my neighbor had the same problem and saturday he had it at a repair place and they found out his onboard computer was faulty he replacved it and has had no more problems

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