AZ -
Great analogy! I am also in the software biz and I would also assume that the tranny is linked to some sort of algorithmic rules, which given our processing power in autos today may create some lag/latency response issues. The ES is simply not designed for the "sports" enthusiast driver. This car was designed for the soft, luxury cruises; not the race track.
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Thanks for the thoughtful analysis and comments.
This issue is hardly a real problem. It is more of an annoyance.
However, the operation of this tranny does seem inferior to my most recent car which was a 1993 V6 Camry that I traded in after 15 years for the 08 ES350. It had a 4 speed A/T which shifted with more conviction than the ES, but with comparable smoothness (never needed service in 15 yrs except oil changes at recommended intervals). I assume that electronics were not a big part, if at all, of the Camry's shift function and that it was mainly a mechanically controlled unit. So far, the driveability advantages of a 6 speed, electronically controlled tranny are not apparent when compared to the 15+ yr older technology. I asume that it is more fuel efficient.
Is anyone aware of software upgrades for the 08 tranny???
My 08 ES has about 2200 km (1400 mi) on it. Has anyone noticed 'better' operation of the tranny as it is broken-in with use???