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Discussion Starter #1
for the last week or so my trans has been shifting kind of hard. I have a edge but never go above 1. Sometimes it shifts harder then other times but im like freaking out cause of this. I have check the fluid and all seems fine its nice and clean. I HAVE NEVER LIMPED IT and it only has 9,000 miles on it.
 

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Have your dealership reset the TAPS and see if that helps. The addition of the Edge may have thrown off the transmission's adaptive values.
 

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Discussion Starter #3
Called the dealer today of course the place i bought it from gave me the run around. They said if i read my allison manual i would know why its shifting hard? Im taking it to another dealer could someone explain what the TAPS is.
 

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I forget what TAPS stands for but they're the adaptive values for the pressure and fluid volume for each shift. The transmission will adjust these parameters to make the ideal shift. However, if the system changes they sometimes need to be reset so they can relearn.
 
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