this post was submitted on 05 Oct 2025
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This was fixed in a recall.
https://insideevs.com/features/752768/hyundai-kia-genesis-iccu-failure
Are you sure? Far as I heard, it's not really "fixed", they just replaced the part with a new one and that's it. They still haven't fixed the actual issue as far as I know.
The issue was last fixed in November with a software update. Whatever it was doing was overheating the ICCU and blowing the fuse for the 12V battery charging system. Apparently they do the software update and check for the OBD2 code. If it is there, they replace the ICCU hardware even if the fuse has never blown. Mine came with the updated code, and has never been a problem. Is it really fixed? Hyundai seems to think so. Haven't really heard complaints about this one in a while, so at the very least it seems the update has lowered the incidence rate.
Nice to see it's being addressed. Thanks for the reply and the link.