Hyundai/Kia/Genesis are STILL Having 12V Battery Problems?

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In this video, I give a quick report of my 2024 Kia EV9 suffering from a dead 12V battery, leaving me stranded at work.
This would not have been a big issue if I had known that the new key fob design did not include a manual key like the previous design, as well as basically every other key fob from any other vehicle manufacturer. This meant that, because the power door locks did not work and I did not have the manual key, I was locked out of my vehicle. Thankfully, the tow truck driver I called as able to get into the vehicle, allowing me to open the hood/front trunk and jump start the 12V battery. This key design is extremely poor and made even worse by the fact that nobody at the dealership suggested to carry both keys, nor is it indicated anywhere in the vehicle.
I had a similar issue happen with my 2022 Hyundai Ioniq5, as have countless other e-GMP vehicle owners (including Ioniq6, Kia EV6, Genesis GV60, etc). In the case of my Ioniq5, the 12V battery failed completely and was replaced under warranty. Others have had issues with the vehicle telematics system causing excessive parasitic power draw (which was supposedly addressed via software updates). It is disappointing that HKG is still apparently having issues with this, especially when the vehicle's software logic should allow it to use the high voltage battery to keep the 12V battery alive.
I have not brought the vehicle in for service yet since the problem has only happened once, making it basically impossible for them to diagnose. If the 12V battery does go dead again, I will take the vehicle in to be checked out. I will also be carrying around the clunky and unnecessary manual key from now on 🙄
• My Ioniq5 Died in my D...
0:00 Stranded at Work
1:30 Follow Up 3 Weeks Later
2:32 Problem Only Happened Once (So Far)

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Опубликовано:

8 июл 2024

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Комментарии : 8

@berthogendoorn2133 3 месяца назад

I had assumed the KIa EV9 would have adopted a Lithium battery for the 12volt system, but if it is that standard lead acid like the one I had, which the dealer told me was fine after 5 completely dead discharges, then I would not both having them replace that battery with another cheap standard lead acid battery, but what I did was get a decent 12Volt Glass Matt (AGM) battery that was 3 years ago for me, which has never had an issue since. Strange they go for such great tech but than on one of the most important items cheap out on it.

@wrenchingfool5284 3 месяца назад

There seems to be a rumor that the EV9 uses a lithium battery. Mine definitely does not, it’s identical to the battery that was in my Ioniq5. That said, if the battery was bad, it would be dead again after sitting for nearly 2 weeks, but it wasn’t. Something discharged it while sitting at work. An AGM or lithium battery would have suffered the same fate. This is an issue with poor 12V battery energy management.

@robert65755 3 месяца назад

Have the same problem, but with the hyundai santa fe plug in hybrid. I've turned off every electronic thing. Like electronic key, electric charging port locking and so on. I thought of using a solar trickle charge panel plugged into the twelve volt accessory port. But when you shut the vehicle off, that port is shut down. I use a 12 V USB charger with a digital display. Plugged into the twelve volt accessory port to show what the voltage of the battery is. When the voltage gets low, I use a twelve volt charger to charge the battery.

@911_dan2 17 дней назад

Ugh, 2 egmp cars in a row. Would this stop you from recommending one?

@gridjac 3 месяца назад

There’s a recall for this. There’s a software update for the ICCU. It affects all E-GMP vehicles.

@wrenchingfool5284 3 месяца назад

It does not currently apply to the EV9, or at the very least, it does not show as an active recall on my vehicle

@genewcotton 3 месяца назад

I'm curious as to how the tow truck operator got into your EV9.

@wrenchingfool5284 3 месяца назад

I’m opting not to share that since I don’t want to spread information that allows people access to locked vehicles, but it is a common method used by roadside assistance personnel for lockout situations.