▁all ▁but ▁one ▁case ▁attributed ▁to ▁floor ▁m ats . ▁Black ▁box ▁rec order ▁data ▁found ▁that ▁during ▁these ▁crashes , ▁the ▁thro tt le ▁was ▁open ▁and ▁bra kes ▁not ▁pressed . ▁On ▁July ▁ 3 0 , ▁the ▁Wall ▁Street ▁Journal ▁quoted ▁the ▁former ▁head ▁of ▁N HT SA ' s ▁Rec all ▁Management ▁Division ▁stating ▁that ▁the ▁investigation ▁" has ▁become ▁very ▁political ", ▁with ▁Department ▁of ▁Transport ation ▁officials ▁" h op ing ▁against ▁hope ▁that ▁they ▁find ▁something ▁that ▁points ▁back ▁to ▁a ▁f law ". ▁Although ▁the ▁N HT SA ▁study ▁finding ▁driver ▁error ▁was ▁reported ly ▁complete , ▁D OT ▁officials ▁had ▁blocked ▁its ▁release . ▁ ▁On ▁February ▁ 8 , ▁ 2 0 1 1 , ▁NASA ▁and ▁the ▁N HT SA ▁announced ▁the ▁find ings ▁of ▁a ▁ten - month ▁study ▁concerning ▁the ▁causes ▁of ▁the ▁Toy ota ▁mal functions ▁of ▁ 2 0 0 9 . ▁According ▁to ▁their ▁find ings , ▁there ▁were ▁no ▁electronic ▁fault s ▁in ▁the ▁cars ▁that ▁could ▁have ▁caused ▁the ▁sudden - ac cel er ation ▁problems . ▁ ▁" The ▁j ury ▁is ▁back , ▁the ▁ver dict ▁is ▁in : ▁There ▁is ▁no ▁electronic - based ▁cause ▁for ▁un int ended ▁high - speed ▁acceleration ▁in ▁Toy ot as , ▁period ," ▁Transport ation ▁Department ▁Secretary ▁Ray ▁La H ood ▁declared ▁in ▁the ▁LA ▁Times . ▁ ▁ML IT ▁investig ations ▁H iro ko ▁Tab uch i ▁writing ▁in ▁The ▁New ▁York ▁Times ▁claims