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Old 09-13-2012, 02:59 PM   #92
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Originally Posted by gambit293 View Post
PS: Oh yea, btw, BetaDnB. I got that vibe too. I guess you could have made it more explicit by throwing in a *sigh* or two or maybe an *eye roll*. But anyway, discussion here has been good so far.
I'm sorry. As I already said, that wasn't the intention.

Originally Posted by Timthom62 View Post
Looking at the service manual, in the description and operation for the DCT, it says that one of the inputs the TCM receives to determine shift points is:

Steering angle from the steering wheel rotation sensor via the HS-CAN databus in order to avoid upshifts and downshifts during cornering

It doesn't go into detail about how this input is used, but if I'm interpreting it correctly the implication is that if I enter a 90 degree right turn decelerating (but not stopping) and the transmission has downshifted to, lets say, third gear, by the time I turn it will still be in third gear when I come out of the turn. Regardless of my actual velocity, apparently, until the steering sensor returns to some point that is not considered by the TCM to be 'in a turn'.

Since reading this a few weeks ago, I've been delaying acceleration until I come out of the turn and have not really noticed the sluggishness and abrupt downshifts that I was having before. Of course, that means making different 'go/no go' decisions when turning to avoid getting run over by oncoming traffic.

In summary, I wonder how much of this particular issue is due to design rather than an actual defect with the transmission.
It's like they're trying to avoid having the TVC kick in. That's what it sounds like to me at least and that's only an ignorant opinion. Can you get it to kick or does it just not allow the power to get to that point?
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