My Ioniq5 Died in my Driveway ☠️

In this video, I'll be talking about my recent service experience where my 2022 Hyundai Ioniq5 Limited AWD died in my driveway...multiple times.
The first time, it displayed a warning message saying the 12V battery voltage was too low, and the vehicle would not enter "ready" mode or shift into gear. I turned the vehicle off then back on, then it worked normally. A couple days later, it displayed the same message but power cycling did not help; I had to jump start it. The third time and forth time it happened, the Ioniq5 was completely dead. The power door locks would not work and none of the lights would come on. I had to unlock the driver's door with the physical key. After the third time, I charged the 12V battery fully for 12 hours overnight with a battery charger. That lasted for four days before dying the forth time, which is what is shown in this video.
This was a somewhat common problem for early production Ioniq5s several months ago, and was supposedly traced to Bluelink and other third-party apps polling the vehicle too often, preventing it from going to sleep and causing an excessive drain on the 12V battery. This was supposed to have been fixed with updates to Bluelink and the vehicle. My vehicle has had all of the available software updates.
As of the time this video was posted, my Ioniq5 is still working correctly. I will post a follow-up video if anything else goes wrong.
0:00 Dead Ioniq5
1:59 Jump Starting the 12V Battery
4:26 Getting the Ioniq5 Fixed
5:42 What Did Hyundai Find and Fix?

[@wassiswallylokhankin191]

You're not alone in this brother. Last year, the 12-volt battery died on my 4-year old Chevy Bolt, too. They say it's a common problem with modern batteries, both on ICE cars and EVs.

[@peterkauss5852]

Here in colder temperatures (Ontario), 12 V batteries do well to last more than 4 years. All the electronics on newer vehicles don't help.

[@BioniqBob]

@@peterkauss5852 6 1/2 years EVing, same battery. Muskoka, On.

[@Joe-lb8qn]

True but with a whopping great big traction battery there should be no reason that the electronics can't be smart and top the 12v up (it could be charged at least many dozens of times from a full battery) whilst also giving warnings that the 12v looks to be on the way out and replace it. My friends Model S came up with such warning before the 12v failed and he got it replaced. With some makes, especially Hyundai it seems to be all pikachu face "oh my it failed I had no clue that was going to happen".

[@achristian7015]

You are doing something wrong or buying cheap batteries. And all electrical systems in a CANBUS vehicle (and that is all of them) shut down for near zero drain.

[@wassiswallylokhankin191]

@@achristian7015 The battery that died was a stock one, it had come with my Chevy Bolt. Judging by the replacement cost, I wouldn't call it cheap. Besides, I'm not the only one. Many EV owners have had the same problem. Must be some flaw in the overall EV design.

[@cyberfroggy]

I think it's commendable that you havent simply trashed a wonderful car, but rather, stayed objective about the whole thing...even going as far as saying you might be the unlucky one. Thank you for the short but informative video. Hope your car gets sorted out somehow and that you get to enjoy driving it again. NB : I have a 2024 std range that has been assembled in Singapore. Just been told my car is not affected by the ICCU recall...but it did get a bunch of software updates last week.

[@fabiobertaglia4576]

Hi dear, I also have an ioniq5 since August 21st in Italy, they replaced my ICCU board because I couldn't charge in AC, but only in DC. The car has been in the workshop for 4 weeks. Now it seems to be working well. I heard about your problem and it seems to be due to too many Bluelink requests. It happened to me with the Kona and since then I always travel with a starter in the car. Let's hope no new problems arise because I really like this car and I would hate to get another one. Best regards

[@kellyessenwanger9800]

My wife's car did the same thing as yours 1.5 yrs into ownership. it hadn't had prior prier battery issues, and had all the software updates completed. Our dealer also installed an Interstate battery which I thought was interesting. its been 6 months and the car has been fine.

[@rob8969]

Yup same here. Had to get my 12v replaced. It’s been good for the last few months though. I’m hoping the iccu software update will prevent it from happening again because mine happened right after I got the update done and I think it was fried already

[@gridjac]

Man, you’re braver than me. After the first time, I’d have swapped the 12v out for a good deep cycle battery so I didn’t have to mess with it again.

[@robertcrosby6785]

I had the same problem...went to the dealership and they did all sorts of software updates and sent me on my way, but the 12V battery died again days later. After viewing all the frightening KZbin videos about this issue, I was very worried that this was a serious problem. I decided to just try a new 12V battery from my local Advance Auto Parts (Diehard Premium AGM battery), and it totally fixed the problem. No dead battery issues for over a month now. I am not sure why the Hyundai technicians couldn't properly diagnose this, but I am grateful for Advance Auto Parts, and I love my car again

[@frank1803]

if you used the AGM did you need to change any other component ?

[@juliaschwarz89]

Your dealership sounds amazing, they saw you the very same day! Here in Seattle area I can’t find a dealership that will give me a service appointment less than a month away. Most of them don’t even call me back. Where is this amazing dealership of yours? We are having same issue on Ioniq Limited 2023. Car now needs to be jumped at least once a day.

[@crazydog349]

My 2021 hybrid Sonata was experiencing the same defective battery issue. Battery went dead while driving. I sent it back to dealership for battery replacement. My car is currently sitting in the dealership waiting for a replacement for over 2 months now. It is more common than you think.

[@stephenclay6852]

Do you leave the traction battery below 20% for short times. Because below 20% the 12 v battery won’t get charged from the main battery. If the 12 v as been allowed to die on a number of occasions it will damage the battery and as a result cost you a new battery.

[@thesaucyRN]

My car isn’t two years old yet-also ioniq 5 2022, would this be covered under warranty? I did get the extended warranty if that’s any good… also, notable, my car stopped charging on the fast charging circuit, and I had multiple parts replaced, can’t remember which one exactly but I think it was at least two or three parts. One of them was a junction box.

[@bhmbill]

I’ve heard the cause is a faulty charge controller. Check to see if there is tech service bulletin out on it.

[@FHB71]

I guess that the first time the 12V battery was low, it simply broke. I had the same with my classic Ioniq when the brakes switch in the trunk hatch did not shut off the trunk light and the battery died. It needed replacement. With my new Ioniq 6 I have had no issues so far, but I heard that one should not park it over night with a SoC of 20% or lower, since it won't recharge the 12V battery then.

[@kab7044]

If the main battery capacity is 20% or below, then the main battery will not charge the 12 volt.

[@wrenchingfool5284]

The vehicle was at about 50% SOC

[@Rhaman68]

Sorry about this trouble. I have a 2022 I5 SE , 13000 miles with zero issues.

[@achristian7015]

You only have a piddly 13,000 miles. I hope you have no issues. My last ICE car had 152,000 miles with zero issues and now has 205,000 miles in the hands of a friend. Also still with zero issues.

[@klir01]

Happened to me. Dealership service said nothing wrong with battery. Died again a few days later, then several times in one day. They will do anything to avoid replacing battery under warranty.

[@Bushtuckerman71]

Place a battery monitor, it's nice if you did a analysis of your updates than we know about your BMS update it gives more information,now it says nothing

[@lesp315]

Please let us know if your Ioniq is doing OK. I was thinking about buying Hyundai or Kia pick-up.

[@jm9371]

I am a new EV6 owner. Great video outlining this issue. From what I have read, EVs are hard on 12V batteries since they do not draw high amperage at any given time. ICE vehicles demand high amperage during starting which helps clear up residue buildup on the anode/cathode. I believe Tesla is moving towards 48v lithium batteries in their new architecture.

[@achristian7015]

I never seem to have these issues with my Acura RDX.

[@BioniqBob]

@@achristian7015 It is only 1 in a 1,000 or less. In 7 years not a problem for me.

[@achristian7015]

@@BioniqBob In any case, the bottom line is $$$ and EVs cost more to own in the 15 years I keep a vehicle. Range after 15 years will take me to the corner store. No thanks!

[@gregoryfleming4324]

Had the exact same problem m, I don’t believe it’s a faulty 12v battery problem, Hyundai obviously know that is an issue, but will not recall Ioniq5s for repair. Personally I think that sucks and in the long term they will loose customer confidence. I love the car, but a serious problem like this should have been acted on.

[@ObiePaddles]

Not just ioniq5. Well known across the Hyundai range. Get a battery monitor and/or emergency jump starter for when you are away from home and away from battery charger.

[@Danne89]

My 12V is dead too. European IONIQ 5. Two years old... Getting a new one on warranty this week.

[@triplextriplexxx8225]

i dont have that problem i have european version . mine is tested 20 days can not be driven 12v still works . and it charges when car is plugged to charge

[@dmscynthia]

I had the same problem with my Ioniq 6 after 3 months, unfortunatly I ended up replacing the battery myself because the dealer sucks! I did some reserch on this situation and I found that Teslas had the same issues a while ago. Tesla was smart and started putting lithium batteries in instead of a flooded batteries. I put in an AGM battery (by mistake but at least in was a good mistake). What I realized through KZbin is flooded batteries are not really good for ev's, the best option would be a lithium. Hyundai and other manufactures need to learn from Tesla and stop jerking around there customers. As for the car I really like it! I wish people would admit that they screwed up.

[@andersmeiniche2746]

Hav your battery (the 800v) been under 20% ?

[@pratikp]

This unbelievable it happen to me a couple days ago. The battery shouldn’t die! I never use bluelink and I came out to a dead car. I had to jump it and it’s now ok but this should be happening for an expensive car like this!

[@LGdosantos]

$60,000 to replace battery // 2nd IONIQ 5 case confirms battery price! ------> kzbin.info/www/bejne/e3a7mpilZZunl5o

[@steveinoz8188]

That's more to do with wonky insurance. There are places now that repair batteries.

[@achristian7015]

@@steveinoz8188 And you have to wait how long for that repair? Certainly not cheap and that cost digs into the little savings by owning an EV.

[@achristian7015]

@@steveinoz8188 Insurance has nothing to do with the cost. The dealer cost was over $56K.

[@steveinoz8188]

Then why didn't they get the battery refurbished?@@achristian7015

[@steveinoz8188]

Nowhere near $60k though. Takes as long as getting and engine refurbished.@@achristian7015

[@KirillOsenkov]

Had the same thing happen in January 2024, had to jump start 6 times within 2 weeks. Took the car to Hyundai and they replaced the 12V.

[@martinjoyce9274]

12v battery on all cars are under constant drain. Many systems always running. It’s one of the reasons why 48v systems will take over. Plus cables can be lighter due to lower current

[@Rhaman68]

In the Ioniq5 the propulsion battery charges the 12V as needed. One factor as to 12V drain has been added apps that are constantly using BlueLink for chatter. Hyundai now has software limiting BlueLink communications to 20 messages per 24 hours.

[@JohnCap523]

How long did you expect the 24 month OE battery to last? Replace it!

[@wrenchingfool5284]

12V batteries typically last 5-6 years even in ICE vehicles that have a much, much greater demand put on them. This was a highly premature battery failure, hence why Hyundai covered it under warranty.

[@JohnCap523]

@@wrenchingfool5284 OE batteries are 24 month batteries, not retail 60 month batteries. My last three new vehicles needed new batteries before 22 months. Please don’t insert comments on topics you know nothing about.

[@frank1803]

Ditto... still try'n to solve the problem. I wonder ( as said below), if I just change the battery myself to a Die Hard it would solve this issue. Any thoughts on this ?

[@steveinoz8188]

The DC to DC charger could be dead.

[@L3AF]

This seems to be a problem for both ioniq 5 and ev6 from what ive read and its a shame for these great cars

[@tonymiranda3729]

I don't blame hardworking folks who dare not touch any Kia or Hyundai

[@BioniqBob]

Has this happened to anyone with the doors left unlocked? Seems all the ones I have heard were locked. Just a thought.

[@KirillOsenkov]

interesting observation! I usually lock the car overnight even when it's in my garage, and every time it was dead the car was locked!

[@BioniqBob]

@@KirillOsenkov You never know, might be a pain but try locking with the manual key.

[@dasboot1820]

What attracted me to EVs is the massive expense and the endless inconvenience.

[@Rhaman68]

Gee, 2011 Nissan Leaf with 87,000 miles only need two cooling pumps replaced. Other than shocks at 52,000, a new 12V battery at the 6th year point, and parking brake service, car was perfect. 2022 Hyundai Ioniq 5, approaching 14,000 miles, zero issues. A friend has a 2018 Tesla Model 3 and only repair was in 2022, a speed sensor was replaced. Seemingly locking on a few hiccups here and there is quite appropriate to be sarcastic and negative?

[@nosoupforyou425]

Have had 5 new evs from 4 diff manufacturers... 12v died on all of them in under 3 yrs on each !!!!!!!!!!!

[@achristian7015]

And it appears you have 2 EVs in the driveway. BTW, my batteries last more than 10 years in my ICE.

[@steveinoz8188]

Most only last 5 year max.

[@achristian7015]

@@steveinoz8188 I feel for them. Only because they know nothing about batteries and charging systems.

[@claudenewton8932]

Should have gotten a hybrid.

[@wrenchingfool5284]

A hybrid makes zero sense for my usage. They also have 12V battery failures.

[@dalvin514]

EV car's are a junk and a waste of money. Will never ever buy any one of those...bye for now 🍻🍺✌🏻

[@steveinoz8188]

You need to drive one to have an opinion.

[@alandavis2741]

Why am I hearing so much about 12v battery problems in EV's? Surely they can pull power out of the drive batteries to keep the 12v charged? My Merc E-class battery didn't need replacing until about 10 years / 210,000 miles. And I think it only died then because I had 2 breakdowns that left the battery dead flat twice, then went away for 2 months with the car sat on my drive in the freezing cold Dec and Jan 2022/2023. Thats how long a battery should last....not just a year or two!

[@steveinoz8188]

Yeah but you had to pay $500 to get it replaced.

[@laxtimercom]

Why not just monitor the voltage of the battery every 8 hours? If its declining, then obviously the parasitic drain problems have not been solved.