Quote:
Originally Posted by wang970305
just got my car back from the dealer, dont truly feel many differences.. I think I feel the car a bit jumpy at low gears... I'm not sure if my ECM FBO tune is trying to work with the updated TCM.
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I'd love to see your tune file, so I can compare it to my tune file see what changes they actually made to the transmission.
It would also tell both of us if any of those changes changes the TCM tune to the extent of messing with a custom TCM tune. I suspect if it does, than it will break the trans tuning some of us use and we should NOT get this update. That jumpiness you notice in lower gears can be attributed to a change in torque management values.
The reason I'm curious here is because recently my tuner adjusted my torque management values and I'm wondering if that is a symptom of this valve body issue. If there is a loss in pressure on my trans, then it might explain his need to readjust my torque management values.