Join Date: Oct 2015
Location: Enid, Oklahoma
Thanked 11 Times in 11 Posts
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After the tuning, if I accelerate a little bit, then let off the gas, the truck jerks. ~
This^^^. Stop doing this. Probably not going to hurt the transmission, but it will probably shorten the life of your U-joints. When you are accelerating, your transmission is preparing a firm shift (increased line pressure I would assume) so as not to slip clutches. When you lay off the throttle just before it shifts, it just continues its firm shift, but without the torque being actually applied to it, it seems quite excessive. I think the stock tuning has some type of torque reduction just before the shift so smooth, soft shifts don't burn clutches. Your aftermarket tuning eliminates this pre-shift torque reduction, so firmer shifts are required to not smoke clutches.
Sorry for the butchered explanation. I'm paraphrasing things I've been explained and read from memory (and certainly getting some of it wrong).
2011 CC Laramie DRW 4x4 auto, deleted. EFI by Dave, 5" Flo-Pro, Edge CTS2, GDP Air Boss, 625s, Carli stuff, Synergy steering
2012 CC Limited DRW 4x4 auto, deleted. MM w/MCC by Dave, 5" Flo-Pro, leveled