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Downshift

4.4K views 5 replies 5 participants last post by  spyder982  
#1 ·
Downshifting from 5th to 4th very hard. Is this something that can be resolved by adjustment in PCM, or not? Tranny has had valve body replaced and pump, by dealer. Any thoughts?
 
#2 ·
Mine has been doing this occasionally also. Also hard 1-2 shifts and 3-2 shifts. Even more so when engine is cold. Got 47 k on a 2011 xlt with nothing replaced as far as transmission and driveline. Ever since I had tsb for gas in oil it has gotten worse. I hope it can be fixed with a pcm reflash.
 
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