Vehicle Speed Control:Throttle

Date Announced
Vehicles Affected
NHTSA Campaign #
DP21003
Summary
The Office of Defects Investigation of the National Highway Traffic Safety Administration received a petition letter dated October 10, 2021 requesting an investigation of an alleged defect(s) in the electronic throttle control system in certain Model Year (MY) 2005-2016 Kia Optima/K5, MY 2006-2015 Kia Sorento, MY 2007-2016 Hyundai Elantra, MY 2007-2016 Hyundai Santa Fe, MY 2006-2015 Hyundai Sonata vehicles. The petition was filed as a Vehicle Owner Questionnaire that can be reviewed at NHTSA.gov under reference (ODI) number 11439675. The petitioners allege the subject vehicles exhibit a range of dangerous vehicle speed control problems including sudden uncommanded acceleration, runaway throttle conditions, surging, stalling and loss of motive power, all due to various defects and vulnerabilities in the electronic throttle control system.This defect petition has been opened to evaluate the allegation and determine whether to grant or deny the petitioners' request.
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