this post was submitted on 12 Mar 2026
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Electric Vehicles
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I had one for just under 4 years. The Hyundai E-GMP cars are plagued by bad ICCU (integrated charge control unit) problems. When that thing goes pop the car usually winds up stranded, and they're having so many of them fail now that dealers can't get parts for months. That's why I traded my EV6 last month. If the ICCU goes bad out of warranty - and you can get the replacement - it appearently costs about $4000 in parts and labor to replace.
Besides that, it really was pretty excellent.
Do you know if certain years had that issues? We were looking for used so we can pick a year
AFAIK, all EV6's, IQ5s etc have the ICCU issue, which appears to be under-spec MOSFETs . One tally on a forum I'm on estimates 2%-10% of owners have experienced failure. However, the 10yr/100k-mile electric warranty covers it.
There is a new part number last month for the ICCU (from old 36400 1XFA0 to new 36400 1XFA0A), so there's some hope that it may be sorted. Maybe your dealer can verify that a new EV6 has the new ICCU part number (I've also heard that it can be read via CarScanner).
We are at 80k miles, so hoping either ours pops within 20k, or else there is a recall or class-action.
Heh. Wait for a humid day, take it around a track to stress it out, and get it to pop in-warranty.
A new part number is good to know. That way I can ask about it when buying it. We are planning on buying used from a dealer so they should know
They did a big recall like a year ago? (the day mine died on me....). It impacts all EV6 and Ioniq 5 models from like 2023-2025 (more info)
Ask your dealer if there are any active recalls on the vehicle. A reputable dealer should have already fixed it because it was recalled under warranty.
The EV6 and Ioniq 5 are basically the same car under the chassis so they have generally the same strengths and weaknesses.
Wait… are the 2022s mostly in the clear?
https://lemonlawexperts.com/kia-and-hyundai-iccu-recall-ev6-ioniq-5-other-evs/
I wouldn't bank on it. The recalls are covered under warranty though, just take it in.
I am planning on buying used from one of dealers in nearby. I'll make sure I ask.
The ioniq 5 was my other choice so good to know I can't escape this I guess
For what it’s worth, my sister's SO got a used Ioniq 5 and loves it. It’s a gorgeous car, and a steal used.
Though nothing happened yet, they're aware of the ICCU issue. But it’s also still on warranty, I suppose.
I've heard nothing bad about the ioniq series. We liked the look and feel of the EV6 more
Like others said, they’re basically the same car underneath. So it comes down to ergonomics and style; just personal preference, really.
…With the exception of the highest end. The EV6 GT is more like a luxury crossover; think a tricked out Mercedes.
But the Ioniq Ns are batshit crazy track cars. They are fast. As they point out here, it’s the only EV that can lap the Nurburgring without breaking down: https://m.youtube.com/watch?v=HZczpFsv9ZY
Not that interested in the higher end sporter GT line (even though most of the used ones are that.). The range increases is worth the decrease in power.
I do love that they are making track electric vehicles. Good to see they can go crazy fast. Good for electric vehicles image
All of them, sadly. It seems to become more prevalent as they age. Kia warranty for the first owner is something like 10 years, but they cut it to 5 years as soon as the car is sold to a second owner, so be aware.
Heard about it. Got to make sure we check with the dealer
Yeah, the replacement ICCU is susceptible to the same problem as the original one. Just kicks the can down the road.