Affecting about 41,000 units in the U.S., the issue is caused by a fault in the Tucson’s transmission control module that is supplied by Dymos Incorporated. Responsible for controlling the gear shifts on the Tucson’s seven-speed dual-clutch transmission, the module is being affected by warm weather causing it to malfunction.
“In higher ambient temperatures and specific operating conditions, the transmission clutch application logic can result in a delayed engagement when accelerating from a stop,” said documents from the National Highway Traffic Safety Administration (NHTSA). “If the accelerator pedal is steadily depressed for approximately 1.5 to 2 seconds, the vehicle will begin to accelerate and normal driving is resumed. However, if the accelerator pedal is repeatedly cycled, the vehicle will not accelerate.”
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If the software disables acceleration of the vehicle, it could potentially increase the risk of an accident. Hyundai is unaware of any accidents or injuries related to the issue.
The affected vehicles were built between May 20, 2015 and May 31, 2016 and equipped with a seven-speed EcoShift dual-clutch transmission. To resolve the issue, Hyundai dealers will reprogram the transmission’s computer.
The recall also affects 7,049 units in Canada.
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