Performance and Accessories 2nd gen only Talk about Dodge/Cummins aftermarket products for second generation trucks here. Can include high-performance mods, or general accessories.

Auto trans up and down shiftin at 100-110km

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Old Oct 8, 2007 | 11:43 PM
  #1  
Travs94Ram's Avatar
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From: Abbotsford BC Canada
Question Auto trans up and down shiftin at 100-110km

I noticed that driving today on the hwy that once up to speed and holding a steady speed that the truck kept up shifting and then down shifting. The speeds was about 100 kmph to about 110kmph.

Any suggestions on why or what I can do to fix this?
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Old Oct 9, 2007 | 12:01 AM
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2500Ram's Avatar
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From: Colorado Springs
With a great signature like that I would have hoped for a year or trans

Assuming it's a 94 and a 47re (I could be way wrong, don't know if the 47re was made in 94 but...) the most common problems are battery grounds, engine grounds. Shifting from lock to unlocked correct? There is a black with brown tracer wire (memory issue could be different color) from the alternator to battery that I shielded with aluminum foil and electrical tape. That stopped my erratic shifting problems.

Good luck.
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Old Oct 9, 2007 | 08:56 AM
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From: Wet Coast, Canada
Sounds like 2500Ram is on the right track
Since your close to both BD and DTT, stop by one of their shops and pick up a noise filter
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Old Oct 17, 2007 | 01:29 AM
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Travs94Ram's Avatar
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From: Abbotsford BC Canada
Thanks for the advice. I had no idea where to start but its something to check so thank you for the input. Thanks very much!
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Old Oct 18, 2007 | 06:14 AM
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From: Lusby Md.
I have tried all of the advise and still have the same problem. Is there any other advise out there??? Thank You Heliarc 1998 Ram 2500 Qd Cab,Auto,K&N,CFM Intake,5''Exaust,Hyper-tec chip
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Old Oct 18, 2007 | 11:20 AM
  #6  
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From: Streator Illinois
Heliarc, I went through all the cheap and easy fixes, ended up changing the TPS and solved the problem.

Easy enough way to help check is if it does it under a different throttle position, I.E. Shifts better at moderate accel and messes up under steady state, could mean there is a dead spot in the TPS.
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