Originally Posted by
oledoc2u
Not familiar with EC's tuning of the TCU. I know you can change the parameters of the shift. Different pressures and such. I am trying to get mine to work correctly now. It was tuned for high pressure shifts, but I didn't change out my valve body with the higher pressure shifting solenoids. So they think that is my problem. Waiting to see if that is the case.
I do not have hi pressure (Blue Top) solenoids but as i said the shifts are firmer now.
I have heard that the Blue tops make the shift way too hard so i left well alone.