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Charlie Gordon Posted on Feb 28, 2016

2500 w/5.9 Cummins diesel. Why is shifting erratic?

Replaced ECM. When driving the transmission will not go into overdrive when pulling long hills or when I accelerate to try and pass. IT does work right when starting off at speeds up to 40 mph

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Aug 07, 2008

SOURCE: MY 1998 RAM 2500 (5.9

I had same problem. A govenor relay had to be changed in the transmission.

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lokisrath

  • 1 Answer
  • Posted on Aug 28, 2008

SOURCE: 2002 Dodge 2500 diesel auto

could be a bad lockup solenoid or a bad torque converter

Anonymous

  • 5 Answers
  • Posted on Apr 10, 2009

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

nathan

  • 634 Answers
  • Posted on Jul 06, 2009

SOURCE: 1996 2500 diesel auto transmisssion, auto shifting while on road

sounds like trans has gone bad, last service of filter and fluid? clogged screen or low/burnt fluid would effest but if clunking sounds like trans is shot

Anonymous

  • 1 Answer
  • Posted on Apr 16, 2011

SOURCE: 1997 Dodge Ram 2500 Cummins Turbo Diesel

The cruise control on y 1997 dodge cummins diesel 4x4 suddenly stopped working.I checked the fuses but they are ok.any solutions?

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I have a problem with my overdrive engaging and diengaging in my 2002 2500 dodge ram cummings diesil truck any suggestions on what could be causing this?

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tires too large brakes dragging???
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Trans may need a service?? change oil & filter
Is this a high miler??
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