Transmission Not Go Into Gear Problems of Lexus ES300

I present this as information to complement the present issues with Toyota motor company and its institutional failure to respond to safety related incidents. I owned a 2002 Lexus Es300. The mechanical/computer problem with this car involved the failure of the transmission to downshift effectively when merging into traffic at 40-50 mph. This issue was first observed when I attempted to merge into the freeway in front of a fast moving truck. The transmission downshifted but did not engage in 3rd gear, but simply disengaged the engine from the wheels; the engine rpms increased, the tachometer went to the red line and the computer shut off fuel to the engine. Thus the car decelerated in front of the truck. This was easily replicated, and many similar stories filled the auto chat rooms at that time. Lexus response at the dealer level: " you use the wrong fuel; you have driven incorrectly and programmed the computer to respond this way; this is the only car behaving like this" the shop foreman drove with me, observed the problem and wrote an incident report to Toyota. I demonstrated the effect on a new Lexus with the service manager, who still was not able to admit that a serious problem existed. Lexus response at the national level: "no problems have been reported on a problem you describe. " finally a service rep showed me a print out from national Lexus service, "tell the customers that the transmission is behaving the way that it was designed! " of course, it was incorrectly designed and it behaved that way. After two years, a partial computer upgrade was sent to the dealers and installed. Mine was the second car with the fix, the Lexus dealership owner was the first. My point is that the Toyota/Lexus corporate response to safety issues at the national level has been to stonewall and deny the existence of problems even when they could produce potential catastrophic results. This historical policy of denial existed long before the present issues gained notoriety.

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The flaws and failures of the transmission in my 2002 Lexus Es300 were noticeable within 500 miles of driving the new car off the lot. I now have 47,000 miles on the car and Lexus has performed re-programming of the transmission logic. However, that has not helped. It seems that as I drive more mileage the problem of the transmission not knowing what gear to be in is becoming worse. The resulting hesitation is dangerous for the driver and occupants of my car as it results in close-calls with other vehicles hitting me from behind during hesitation.

2003 Lexus Es300 with accelerator pedal, automatic transmission, and vehicle speed control issues. Consumer states that the when trying to accelerate from a low speed there is a delay before the engine responds. The consumer stated he experienced a significant abrupt downshift when slowing down from higher speeds and an abrupt upshift when accelerating from a slow speed. It felt as though the transmission could not decide what gear it should be in. The consumer was advised a computer patch was available for the problem, but it usually did not work and it could make the problem worse.

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