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Car Forum / Lexus Cars / August 2004New, Secret Fix For ES330 Tranny Problem?
I just brought my 2004 ES330 in for the 1,000 mile check up. It might be my imagination, but the tranny seems more responsive than before. What could they have done? Check the emblem on the front of the hood....I think they gave you a BMW by mistake. :) > I just brought my 2004 ES330 in for the 1,000 mile check up. It might > be my imagination, but the tranny seems more responsive than before. > What could they have done? > I just brought my 2004 ES330 in for the 1,000 mile check up. It might > be my imagination, but the tranny seems more responsive than before. > What could they have done? They might have cleared the ECU which would reset it back to defaults. Some folks theorize that the adaptive nature of the transmission where it adapts to one's driving habits is a contributing factor to the hesitation issue. If this is true, driving it aggressively is likely to make it more responsive as well. - Mark > > I just brought my 2004 ES330 in for the 1,000 mile check up. > > It might be my imagination, but the tranny seems more [quoted text clipped - 4 lines] > the transmission where it adapts to one's driving habits is a > contributing factor to the hesitation issue. If that's the case, then the "intelligent" tranny didn't learn very well during the first 1,500 miles because I'm the only person that drove the car during that period. Also, if that's the case, won't the so-called intelligent tranny just go back to where it was before they reset it to the defaults? Lastly, if that's the case, then they should just hard wire the thing to keep the default settings and shut off the "intelligent" feature. > If this is true, driving it aggressively is likely to make it more > responsive as well. If seem to me that I should just drive the way I normally drive. It doesn't make any sense to me that I should drive in a way that's different from how I normally drive for the tranny to learn the way I drive. >> I just brought my 2004 ES330 in for the 1,000 mile check up. It >> might [quoted text clipped - 11 lines] > > - Mark For a while. ALL adaptive programming measures revise their output values as the input values go out of the current range(s). Notice how your transmission changes shift firmness and shift points after you've attained a considerable altitude increase (say sea level to 5,000 feet). Even after you descend to sea level, the transmission will continue for perhaps 25 miles to shift later and firmer until ... it slowly relearns the new average input values.  Signature- Philip @ Maximum Torque RPM |
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