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Comment by verdverm | Hacker News Reader

Ioniq 6 is an awesome alternative to the Model 3. I picked one up last fall and couldn't be happier

I looked at those as well, but the ICCU issues were enough to deter me. I do a fair amount of highway driving and the thought of suddenly dropping from highway speeds to 12 MPH was somewhat chilling.

Maybe they are not as common as it seems.

I think that's solved by a recall, so if the car you're looking at is either new or has already had the 12V battery serviced, it should not be an issue.

I just dropped mine off for recall, it's not a big issue and if you don't own one yet, it will already be fixed.

When I looked into it, people who had the recall performed had it happen again. This made me suspect that they were trying to correct a hardware problem with software, or that the software was somehow able to damage the hardware if it wasn't updated in time.

That was on the EV6, though, but they share the same eGMP platform.

The recall has gone through multiple stages and expansions. At this point they are replacing the ICCU fullstop

1. Software fix

2. Replace fuse

3. Replace the ICCU and be done with it

Regarding #3, are they actually available now? At one point they were seemingly made of unobtanium.

Apparently it depends on dealership / market.

Mine's in today, Reddit has reports of people being told as late as March. Hyundai Finance is working with customers who cannot get the fix in the near term

As an owner of a used EV6, I can tell you this issue has caused some concern and I do think it's a real but rare issue.

However, my calculation is this: It's a 1% impacted issue. Replacing with an AGM battery drastically reduces the issues. Recalls somewhat mitigate this issue further. Apparently reducing your L2 charging rate to < 7kW also reduces this. At the end if you are still unlucky, the ICCU is almost always covered by warranty but replacement is annoying and can take months.

To mitigate I plan to replace my stock 12V with AGM, and buy a portable battery starter.

I ended up with an Equinox EV instead. I suppose that it's the devil you know vs the devil you don't, as the Ultium platform is still pretty new.

Any significant differences in charging experience? Can you use Tesla Supercharging network?

AFAIK newer ones come with the NACS charger, older ones you have to buy the adapter

2025 Ioniq 5s have the NACS port (only in NA markets, obviously). I don't think the 2025 Ioniq 6s do, though they probably will for the next model year. Like you said, CCS-equipped cars can use the Tesla network with a NACS-to-CCS adapter.

The article is about Europe, which has standardised on CCS2 charging. Including since 2018, Tesla. None come with NACS.

So European Teslas and Hyundai's have used the same plug since then. AFAIK, many UK and EU Tesla superchargers are open to other cars. ( https://www.carwow.co.uk/editorial/going-electric/ev-chargin... )

They say that the NACs adapter will be free to existing customers, but have not made any details aside from "2025" available yet.

You can use the Tesla network, in some markets they are even giving out free NACS adapters for older cars that aren't already NACS.

I6 has the 800V architecture, 20-80% in under 20m

Hyundai has an EV platform that is shared across a number of models. Sandy Munroe has a video on it and why he thinks it is a great idea

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