Toyota Casts Aspersions On Unintended Acceleration Aspersions

Edward Niedermeyer
by Edward Niedermeyer

Toyota and its contracted engineering auditing firm Exponent held a webcast today to refute the claims that Professor David Gilbert has leveled in an ABC report and recent congressional testimony. Gilbert claimed that he was able to induce sudden acceleration without triggering failsafe mode or an error code in Toyotas by hacking into a Toyota pedal. Toyota and Exponent’s central claims are that the conditions created in Gilbert’s test could not be replicated in real life and that similar tests produced identical results in competitor vehicles.


These claims have been raised before, and discussed at some length here at TTAC, and the demonstration was provided Toyota much-needed ammunition to counter the wildest claims that have been leveled against it in recent weeks. Though it didn’t conclusively prove that a pedal could never be affected by mechanical or electronic interference, it did confirm doubts about Gilbert’s test methodology.

But this was a singularly dissatisfying conclusion. After all, Gilbert’s test never claimed to have identified the exact problem, merely that the possibility of an undetectable problem existed. Having achieved similar results to Gilbert’s with competitor automobiles (something Gilbert was strangely unable to replicate), Toyota showed merely that its cars are no more vulnerable to such untraceable errors than any others. What it failed singularly to do is explain convincingly why unintended acceleration complaints are higher in its vehicles. As one questioner noted with frustration towards the end of the webcast, the statistics aren’t changed by this demonstration.

And so, just like the congressional hearings and trial-by media, this latest chapter in the Toyota saga must be placed the “frustratingly inconclusive” pile. In that sense, it’s something of a marginal win for Toyota, even though it does nothing to repair its reputation as a quality-obsessed automaker. And though Toyota and Exponent had little choice but to respond to the many aspersions cast upon them at the congressional hearings, by going on the offense, they managed to look more defensive and less like the victims of a witch hunt.

There is no shortage of losers in the Toyota unintended acceleration drama. Perhaps it’s time to stop holding out hope for the emergence of anything resembling a conclusive truth in the matter. As we’ve noted before, unintended acceleration is rarely a problem with a single identifiable cause.


Edward Niedermeyer
Edward Niedermeyer

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  • John Horner John Horner on Mar 09, 2010

    Repeat after me: Just trust the big corporation. They have your best interests at heart and would never, ever hide their dirty laundry.

    • See 2 previous
    • Tced2 Tced2 on Mar 09, 2010

      Or how about the world's largest corporation - the US government?

  • JohnAZ JohnAZ on Mar 09, 2010

    Toyota may have stumbled yet again in this piece by naming other brands that they have tested that supposedly 'failed' under the same conditions. Each of those named companies may now think that they have a vested interest in distinguishing their ETC System from that of Toyota and refuting the implications in the video. I certainly would. If I were Ford or Subaru or one of the other named brands, I would be putting a lot of engineering effort into reviewing the possibilities for failure in their system and that of Toyota. I'm sure if they do that and turn up something, Toyota will get yet another kick in the pants. Dumb move Toyota.

    • CarPerson CarPerson on Mar 09, 2010

      @JohnAZ +1 Astute observation. "Dumb move Toyota" pretty much sums it up.

  • FreedMike Off topic, but folks, this site is not working well for me from a technical standpoint, and it doesn't matter if I'm using my phone, or my computer (on two different browsers). It locks up and makes it impossible to type anything in after a certain point. Anyone else having these issues?
  • Syke Kinda liked the '57, hated the '58. Then again, I hated the entire '58 GM line except for the Chevrolet. Which I liked better than the '57's. Still remember dad's '58 Impala hardtop, in the silver blue that was used as the main advertising color.
  • Dartdude The bottom line is that in the new America coming the elites don't want you and me to own cars. They are going to make building cars so expensive that the will only be for the very rich and connected. You will eat bugs and ride the bus and live in a 500sq-ft. apartment and like it. HUD wants to quit giving federal for any development for single family homes and don't be surprised that FHA aren't going to give loans for single family homes in the very near future.
  • Ravenuer The rear view of the Eldo coupe makes it look fat!
  • FreedMike This is before Cadillac styling went full scale nutty...and not particularly attractive, in my opinion.
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