The 12V battery keeps draining on this 2022 Hyundai Kona Electric. This problem happened when I owned the car for 7 months, I believe the battery management system from Hyundai caused the ruin and drainage to the 12V battery. It has happened 10 or more time ever since the battery keeps draining and Hyundai refused to take any responsibility in their faulty 12V battery.
2022 Hyundai Kona Electric electrical complaints
Page 2 of 2: complaints 11 to 15 of 15, newest first, as owners wrote them.
This 2022 Hyundai Kona Electric keep draining the battery after I charged my electric car overnight. It has happened 6 or 7 times now, which I think Hyundai needs a recall on this car. It killed the 12V battery after fully charged the car. Something has drained the battery completely. It is very annoying when this happened.
The car turned into a bricked mode 3 times after I fully charged the car to 100%. The car cannot open or start the engine. The battery was dead or drained somehow. I have to jump start the battery and reset the battery terminals in order for it to work again. Now the braking warning light has stayed on after I reset the battery terminals. I think this 2022 Hyundai Kona EV has some electrical issues that Hyundai need to fix or be aware of.
After only having 2300 miles on my 2022 Kona electric I received a warning indicator on my dash, “Electrical system error.” I looked in the manual and was directed to take the car to the dealer. The dealer diagnosed the issue and shared that the battery itself is defective and a new one will need to be ordered. As a result, I began some online research into the issue. It appears that similar issues arose within previous year models, and some even resulted in fires once the battery reached 100%. I also read other stories about how batteries had inconsistent charging rates. I Experienced an issue with inconsistent charging rates prior to the error message but assumed it was simply me not remembering the percentage it was at when initially plugged in. After reading the issues I quickly realized it was not a fluke. I also felt it important to report bc I asked the dealer if they had encountered any other issues with the Kona EV and it’s battery units and they said no. Obviously, this was before I did my own research, and am more very surprised they said they have had no other issues knowing that their copy recalled nearly 100,000 cards recently for faulty batteries.
I noted a sever drop in the full charge range. The battery meter does not reflect the true and accurate available storage. You can’t depend on these readings.
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