Transmission acting weird

SpyderX

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Joined
Dec 30, 2015
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Location
Boaz, Alabama
Going up a slight grade it can’t make up it’s mind to downshift to 5th, in cruise usually. I’ve noticed it doesn’t seem to do it if I’m going 70mph and above. The truck shudders until I manually put it in 5th. It’s intermittent. I don’t drive hard and I don’t heavy tow. It does it in all the tunes. I’m hoping it’s tune related??

2012 crew cab xlt 108,000 miles ******d at 55,000 miles no limit tunes.


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