"TSB: REVISION NOTICE - AUGUST 2, 2016 REV1 - APPLICABILITY HAS BEEN UPDATED TO INCLUDE 2015 - 2016 MODEL YEAR SIENNA VEHICLES. ANY PREVIOUS PRINTED VERSIONS OF THIS BULLETIN SHOULD BE DISCARDED. SOME 2011 – 2016 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A VIBRATION/PULSATION FROM THE FRONT BRAKES THAT CAN BE FELT IN THE BRAKE PEDAL WHILE LIGHTLY APPLYING THE BRAKE PEDAL. NEW FRONT BRAKE PADS AND A NEW FIELD FIX REPAIR PROCEDURE HAVE BEEN DEVELOPED TO IMPROVE THIS CONDITION.
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