I also was having the issues addressed above. They really soured me on the car, and I had considered selling it on multiple occasions.
I just picked my car up from the Dealership after having SIB 12 15 14 performed along with the adaptation resets and holy shit....
I was so skeptical, but I'm a believer now. The car drives 10X better. Even just auto mode commuting for fuel economy is much better. The 1-2 shift (which was a little jerky before) is unnoticeable now, and the throttle lag during rolling stops is completely gone.
No more idle issues and jerkiness when the AC is on either. I drove it home yesterday and sat in traffic due to an accident and it creeped right along without a single stutter or lurch. Looking back, I drove so carefully as to not upset the car, but that is completely gone. It now drives just like any other normal TC automatic, super smooth.
Truly a night and day difference.
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