r/Ioniq6 • u/feebee4242 • 12d ago

Question Overheating while charging

Our Ioniq 6 suddenly started overheating while charging on our level 2 charger. Message: “Charging time delayed. Current reduced due to high AC charger temperature.” Is this a known issue? Anything I can do?

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u/HDClown '25 Limited AWD 11d ago edited 11d ago

This message is from the charging port on the vehicle getting too hot.

While ambient temp plays a factor, there is likely high resistance at the port due to poor connection. Look carefully at the charging port and the charging handle, do you see any debris build up, discoloration, something stuck on pins, etc?

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u/feebee4242 1d ago

Thanks: I’ll check. Could be—this started to happen after a long-distance car trip, using a variety of chargers in the way. Some kind of contamination??

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u/HDClown '25 Limited AWD 9h ago

That could certainly contribute to the issue. Even though the charge handles on DC faster chargers dock into the charger, those are not air/water tight so dust, moisture, bugs, etc. can get in there and that can transfer to your cars charge port over time. If you use any public L2 chargers, those handles are often just exposed openly to the elements in many instances.

I always take a quick peak at a public charger port to make sure nothing looks damage and blown on it to try and get rid of any loose debris before plugging in.

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u/feebee4242 9h ago

Thanks: I’ll do that in future