Drivers reported hearing a popping noise before the power loss in the 2022 vehicles

Liz Hughes, Editor, IoT World Today

July 11, 2023

1 Min Read
KIA EV6 GT battery electric compact crossover SUV interior on display at Brussels Expo on January 13, 2023 in Brussels, Belgium
Getty Images

The National Highway Transportation Safety Administration has opened an investigation following reports of 2022 Model Year Kia EV6 vehicles losing motive power. 

According to the open investigation on the NHTSA’s website, its Office of Defects Investigation (ODI) received 11 complaints from vehicle owners who reported hearing a loud pop noise before seeing a warning displayed on the dash and experiencing an immediate loss of power ranging from a reduction in power to a complete loss.

The ODI report said there’s a strong correlation between the loss of motive power events and the failure of the vehicle’s Integrated Control Charging Unit responsible for power in both the high voltage battery and the low voltage 12V battery. 

“Preliminary review indicates over-current within the ICCU (Integrated Control Charing Unit) can damage transistors in the DC-to-DC converter resulting in the inability to recharge the 12V battery,” according to the report. 

The ODI said it opened this preliminary infestation to “determine the scope and severity of the potential problem and to fully assess the potential safety-related issues.”

About the Author(s)

Liz Hughes

Editor, IoT World Today, IoT World Today

Liz Hughes is an award-winning digital media editor with more than two decades of experience in newspaper, magazine and online media industries. 

A proven digital media strategist and editor, Liz has produced content and offered editorial support and leadership for a variety of web publications, including Fast Company, NBC Boston, Street Fight, QuinStreet, WTWH Media, AOL/Patch Media and Design News.

A skilled social media strategist experienced in developing and maintaining an audience across multiple platforms and brands, Liz also enjoys sharing her knowledge and expertise to help businesses small and large.

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