[PandaEV6]

I can guarantee that battery isn’t fine. Mine eventually had to be replaced after about 6 jumpstarts in less than 2 weeks. They need to look for a draw, perhaps the 120V outlet in rear seat area.

Could a draw even drain a battery that fast? To me, that looks like it simply broke looking at the data and how quickly the discharge occurred. I have no accessories that stay powered on when the car is off.

 

[Celine Dijon]

Could a draw even drain a battery that fast? To me, that looks like it simply broke looking at the data and how quickly the discharge occurred. I have no accessories that stay powered on when the car is off.

Mine was coming on by itself. It was the 4th one the dealership had seen do that. Kia has a major 12V issue.

 

[Tilemachos]

The ev6 is my first electric vehicle. With all the ICE cars I've had up until now, whenever I had to jump start the battery, I immediately went to the shop and put a new battery on the car. A jump started battery is a bad battery and needs to be replaced.
I don't see why it should be different with an electric car.

 

[PandaEV6]

Update: My battery was replaced even though it never tested as "bad." The regional manager for Kia service covered as goodwill. I'm not sure why Kia's service software keeps saying my warranty coverage on my 2022 for the 12v battery is still 12 months/12k miles. The warranty information in the Kia app clearly states that it's 3 years/36k for the "Original Equipment Battery Warranty."

 

[tonester]

Dealer recently replace my 12V battery as well, stating that one of the cells had gone bad; interestingly enough, the new/replacement battery has a slightly-higher reserve capacity compared to that of the original one that was in my vehicle--105 minutes vs. 92.

 

[PandaEV6]

Update: My battery was replaced even though it never tested as "bad." The regional manager for Kia service covered as goodwill. I'm not sure why Kia's service software keeps saying my warranty coverage on my 2022 for the 12v battery is still 12 months/12k miles. The warranty information in the Kia app clearly states that it's 3 years/36k for the "Original Equipment Battery Warranty."

View attachment 17066

The kicker here is that the battery that was installed in my car now says it itself has a 36 month warranty lol

 

[tonester]

The kicker here is that the battery that was installed in my car now says it itself has a 36 month warranty lol

As it should be--i.e., new 12V battery = new 12V battery warranty. In any case, that's the same battery that Kia swapped out my old battery with; too bad it's not an AGM but hey, can't complain about getting a free new battery and having the 12V battery warranty period being reset to go along with it.

 

[Dive Bar Casanova]

Cabellas/Bass Pro shops carry full lines of 12V lithium batteries.

 

[twcz3]

Update:


I wanted to provide you all with an update on the ongoing issue with my Kia. After taking it to the dealership earlier this month, they informed me that the problem was related to a part they had already recalled. I thought that would be the end of it, but unfortunately, the issue resurfaced.

To add to the frustration, even though the battery showed a full charge overnight, it died again when I went to pick up my car. It was reading only 6 volts, confirming that it was completely drained.

In an effort to address the problem myself, I purchased a new battery from AutoZone. This decision proved to be a smart move as I was able to get through the Labor Day weekend without any issues. To ensure a thorough inspection, I took both the new battery and the old one back to the dealership.

Upon inspection, the dealership confirmed that the Kia battery (12v) was indeed dead. They proceeded with a series of reprogramming to rectify the situation. During my conversation with them, I also mentioned some of the helpful suggestions I received from all of you. They informed me that if the problem persists, they might need to consider replacing the computer in the car. Might add here that maybe it was the failure of the recalled part that killed it in the first place.

Interestingly, someone on Facebook also suggested that I reach out to Kia regarding reimbursement for the battery, considering the circumstances of it happening on a weekend when no service shops were available. I followed this advice, and I'm glad to share that Kia has agreed to reimburse me for the battery. This might be a better choice for me since an AGM battery is generally considered superior to that lead acid battery.

I truly appreciate all the advice and support I've received from this community. I will continue to keep you all updated on any further developments with my car. Thank you all!

Still waiting for my reimbursement from the battery that died. They took my core too. So I couldn't even get my core charge back. I am starting to wondering if I will ever see this. The services center were the one that said they would work on getting it back to me. I talk to the service manager last week, but still haven't heard back from him yet. Maybe I should have left the car with them the original battery and had them replace it. Their battery would probably last without killing it with the new updates to the ICCU.

 

[kennethkiesel7]

At 40K miles my EV6 GT AWD (Feb 2021) my 12v has needed its first jump. Looking at replacing it now. When I took it in for its 40k service they did say they had to jump it in the bay during service. Guess its just time. Seems like it did better then some so I'm ok with that.

 

[tbims01]

Same issues as a lot of you, flat battery after 18 months. Tried to re-charge the battery, which it would not do so obviously a dead battery. Took the car back to local dealer in Gloucester UK to be given a cheap Nissan Duke as a courtesy car, to then be told their computer says the battery is good...............despite the fact it would not work and would not charge!!!!!
Then told they had agreed.................very kind of them, to replace the 12v battery but it would take another 6 weeks to get hold of one!!!!!!!
Interestingly one of my neighbours also has an EV6, and the same happened to him, Kia would not book him in for 28 days to look at it, so he had to get the battery changed at his own cost as he needs a car for his work, so he is taking legal advice now to recover his costs.
Checking online and also with the Customer Services Manager at Kia, the 12v battery is only guaranteed for 2 years, so will get a better quality one and get it replaced. Love the car, but an absolute joke for a car that costs over £50k. Previously owned Lexus and Mercedes and any issues the dealership cannot do enough for you and have always been given a car of at least the same quality and value, usually better, but Kia are a joke I'm afraid and have a lot to learn about how to treat their customers.
Shame as I absolutely love the car, but would never buy from Kia again, very disappointed.

 

[avh]

I'm sorry to hear about the experience. As others have said, this is a £20k car with a £30k battery underneath. Some Kia dealers act likey they sell and service cheap cars for people that are not expecting much from them.

 

[Hank EV6]

This is indeed a frustrating experience. I am on my third OEM Kia EV6 battery in less than 6 months. I have had the car for about 18 months, with about 10k miles on it.

There didn't seem to be a rhyme or reason to the battery dying. It could happen 2 days or 5 days of leaving it in my garage or driveway. I'm still testing out all of the scenarios based on the information I have read out in this forum and others and here is what I have experienced and what seems to be resolving it (still requires more testing!)

Originally, I thought it was triggered by leaving it for five days and the ICCM update may have changed some logic - that may be possible, but then the battery went dead after a new battery was installed after 2 days of not driving the car! After some dead batteries and onto my third battery replacement, I sat on my couch to research other EVs and call the KIA dealership to schedule yet another service call on the repeat dead and jumpstarted battery. As I was calling the Kia dealership, the phone call connected via bluetooth to my EV6 even though the car had been turned off and locked for over three hours, which was super odd.

One of my keys was hanging on a keyhook and it occurred to me that the key may be activitating the car in some way, so I got my Faraday bag, bought a battery meter on Amazon and started testing. What I can see is that when my key is out on the hook (near the garage/driveway), the battery seems to be draining at a faster rate (at least initial results). In the Faraday bag, I see a much slower decline in power on the 12v and then the big battery is kicking in to recharge at the right times.

As a part of the tests, I isolated if it were related to the KiaConnect App, camera (3rd party), so I tested those as well. No drain from those. In one of my tests, the battery drained (key on keyhook) and when I jumped the car, I received an error message " check virtual engine sound system warning". The error eventually went away.

So, I am in week 4 of testing with my keys and all still good. Before the drain was happening with high frequency. Given the error warning in the last go around, I am having Kia check the car (maybe a fuse problem?)

Lastly, I noticed that one of my keys that has an Apple Airtag attached to it did not always have the same effect on my battery drain if it were on the keyhook. Moreover, if the airtag is positioned in a certain way, my car will not unlock, so it seems to be blocking the signal.

I'm by no means an expert in any of this, but given the incredibly frustrating nature of this situation with a newish car, I thought I would share what I am finding in my testing. If this is isolated as a problem, it's a huge one, but the faraday cage/ bag will be my friend and at least avoid getting a different car, as I like my EV6 very much.

So, in summary, proximity of key to car seems to be a problem, but I'm just one person testing out a theory. I'll do this for a couple more weeks and let you know what happens regarding the error message ( check virtual engine sound system warning ) because that seems to run concurrent with dead battery events in another message thread.

 

[Sergman]

Maybe my question is silly, but from what I understand 12 volt battery is charged by the high voltage battery when the voltage drops bellow certain value. So, as long as the high voltage battery has enough juice the discharge of the 12 volt should not happen. Correct me if I am wrong.

 

[Ucinn]

Maybe my question is silly, but from what I understand 12 volt battery is charged by the high voltage battery when the voltage drops bellow certain value. So, as long as the high voltage battery has enough juice the discharge of the 12 volt should not happen. Correct me if I am wrong.

It will only try and charge the 12V I believe 10 times, after that it stops, so if the 12V drains more than ten times since last driven, then yes, it will drain completely. That's how you know you have a bad 12V.

 

[Celine Dijon]

I do know that I had an issue with the 120v rear outlet coming on by itself & draining the 12v battery. Dealer replaced ICCU & rear outlet & I’ve had no issues since.

 

[twcz3]

Update:


I wanted to provide you all with an update on the ongoing issue with my Kia. After taking it to the dealership earlier this month, they informed me that the problem was related to a part they had already recalled. I thought that would be the end of it, but unfortunately, the issue resurfaced.

To add to the frustration, even though the battery showed a full charge overnight, it died again when I went to pick up my car. It was reading only 6 volts, confirming that it was completely drained.

In an effort to address the problem myself, I purchased a new battery from AutoZone. This decision proved to be a smart move as I was able to get through the Labor Day weekend without any issues. To ensure a thorough inspection, I took both the new battery and the old one back to the dealership.

Upon inspection, the dealership confirmed that the Kia battery (12v) was indeed dead. They proceeded with a series of reprogramming to rectify the situation. During my conversation with them, I also mentioned some of the helpful suggestions I received from all of you. They informed me that if the problem persists, they might need to consider replacing the computer in the car. Might add here that maybe it was the failure of the recalled part that killed it in the first place.

Interestingly, someone on Facebook also suggested that I reach out to Kia regarding reimbursement for the battery, considering the circumstances of it happening on a weekend when no service shops were available. I followed this advice, and I'm glad to share that Kia has agreed to reimburse me for the battery. This might be a better choice for me since an AGM battery is generally considered superior to that lead acid battery.

I truly appreciate all the advice and support I've received from this community. I will continue to keep you all updated on any further developments with my car. Thank you all!

update:

I'm still waiting for the refund for the battery. They did take my old battery (core) a week after my first post on here. Since then, the service manager promised to follow up but quit for a new job two months ago. I followed up again a week ago with no progress. I'm considering demanding a new Kia battery as a replacement since it seems unlikely I'll get a refund. Given they took my old battery and I was within the warranty period, only 1.5yrs in, I don't see why I shouldn't receive a new battery to put on my shelf.

 

[Rainy days]

It will only try and charge the 12V I believe 10 times, after that it stops, so if the 12V drains more than ten times since last driven, then yes, it will drain completely. That's how you know you have a bad 12V.

Have my EV6 at home parked up for a few WEEKS due to illness it's been topping up the 12V everyday the count now is 18 times it topped up when voltage went below 12.47v i might add its not the kia spec battery.. I got fed up going back to the dealer so bought an AGM 12V battery from exide fitted myself last September zero problem since

1

 

[dc30307]

...it's been topping up the 12V everyday the count now is 18 times it topped up when voltage went below 12.47v ...

This is the 2nd post I've seen showing more than ten sessions, though I do seem to recall data a while back that corroborated the 10x limit mentioned in the manual. I wonder if an update has revised the logic (I would hope so, that logic wasn't very logical). While it's great that it is keeping your 12v maintained properly, I wonder why it's having to do it so frequently while the car is sitting idle? I've found 12v current draw while the car is in sleep mode to be negligible, but yours seems to be losing over 10% SOC per day.

 

[Rainy days]

This is the 2nd post I've seen showing more than ten sessions, though I do seem to recall data a while back that corroborated the 10x limit mentioned in the manual. I wonder if an update has revised the logic (I would hope so, that logic wasn't very logical). While it's great that it is keeping your 12v maintained properly, I wonder why it's having to do it so frequently while the car is sitting idle? I've found 12v current draw while the car is in sleep mode to be negligible, but yours seems to be losing over 10% SOC per day.

I did have iccu replaced and all software updates are done yes your right seems to be a draw on the 12v
Here's another statistics in 18 days parked on my drive way main battery SOC went from 65% to 55% in 18 days figure that one out)🤔