Some members will remember that I had issues with charging my EV3 which I collected in December. The car is currently in the garage and I have a courtesy car to give them a chance to resolve it. Having tried charging on other chargers away from home (both fast charge on DC and slower charges on 7 kw, 22kw using AC) I have been able to confirm to the garage that when fast charging there is no problem, but anything using the AC port causes issues. E.g. on a 22kw it was only charging at 3.4 kw, on a 42 kw AC only it was charging at 10.3 kw. I have saved all of the screenshots from the App and provided them. I am also now charging the replacement courtesy car on my home charger with no issues. Just wonder if anyone else has had this issue since I last posted? Thanks in advance
EV3 ongoing charging issues
ForestBev
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Car charged okay last night for 4 hours at a continuous 6.5kW, ie with charge current set to 90% in the Kia Connect app. A fudge but, hopefully, this will enable me to keep the car charged until the replacement ICCU is fitted.
Solar charging also works okay.
Solar charging also works okay.
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21,566 Posts
Wrong software settings, causing hardware to get to hot & damaged.
This whole ICCU is a farce, given the length of time they have had this issue over many models in the Hyundai/Kia brand.
An update on my situation. I rejected the car within 30 days of purchase and then gave the garage time to rectify the fault which they have been unable to do. I therefore finally rejected the vehicle on the 24th March 2025. It took the garage from then until the 12th May to provide the refund. It has been tortuous. Kia UK are accepting the car back from the dealership as they have been unable to find the cause of the issue. I have now purchased a Ford Explorer. I would consider buying an EV3 in the future but only when this issue has been resolved. I can honestly say it has been the worst buying experience of my life!
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480 Posts
So sorry to hear about your battle with Kia. It would not surprise me if all the dealers are the same. Take your money with smiles, but try to get it back, however reasonable, that is, the battle starts, sadly.
Guess you will use the CarPlay gadget you purchased with your new car? Hope the Explorer is more reliable and Ford treat you well. Best wishes.
Thanks Steven - not sure what you mean about try to get it back and the battle starts? Can you explain? Thanks
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480 Posts
That's just my poor grammer @ForestBev. Just trying to say it's always tough to try to get a company to actually refund your hard earned cash. Real pity about the car. Heard of a few owners with iccu issues, but yours is the first that's been unresolved.
Hi,
With so many posts on this issue it's difficult to know where to reply, but I thought I would share where I am. I've got an Anderson A2 charger that has served me without fault for over 4 years with a BMW I3.
No fancy charging just a ON/OFF timer schedule on the A2.
We've had the EV3 since late November with no issues but earlier this month when attempting to charge on the A2 at 7.2KW, the A2 reported the car had requested to drop the charge to 1.4Kw, It did this thru several different charging tests that I subsequently undertook, sometime after a couple of hours, sometimes after minutes. It also dropped on a relatives charger when I was visiting. I've not contacted a dealer yet but what I did do was drop the AC charging current to 90% (from 100% , you can set it to 50 90 or 100). The car has now charged 5 times at a rate of approx 6.5Kw with no issues.
One other thing, I'm not sure but I think I had the first problem after I'd granny charged the car for the first time.
Having read thru all (most?) of the woe here I suspect I need to contact the dealer. BTW I did apply the OTA ICCU update some weeks ago.
With so many posts on this issue it's difficult to know where to reply, but I thought I would share where I am. I've got an Anderson A2 charger that has served me without fault for over 4 years with a BMW I3.
No fancy charging just a ON/OFF timer schedule on the A2.
We've had the EV3 since late November with no issues but earlier this month when attempting to charge on the A2 at 7.2KW, the A2 reported the car had requested to drop the charge to 1.4Kw, It did this thru several different charging tests that I subsequently undertook, sometime after a couple of hours, sometimes after minutes. It also dropped on a relatives charger when I was visiting. I've not contacted a dealer yet but what I did do was drop the AC charging current to 90% (from 100% , you can set it to 50 90 or 100). The car has now charged 5 times at a rate of approx 6.5Kw with no issues.
One other thing, I'm not sure but I think I had the first problem after I'd granny charged the car for the first time.
Having read thru all (most?) of the woe here I suspect I need to contact the dealer. BTW I did apply the OTA ICCU update some weeks ago.
It probably dropped because you hit the 80%+ slowdown.
The slowing in charging rate in regard to battery state of charge only applies when using DC chargers, those where you are using the CCS cable.
If everything is working correctly then on AC the rate stays at 7kW until 100%
2025 Kia EV3 Long range GT Line-S, Panorama, Heat pump, Shale Grey (EBD)
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135 Posts
Model:
Kia EV3
Year:
2025
Well mine is slowing down from appr. 96-97%. Until 96% it will charge with 10,4kW.
AC charging with 11kW on a very basic charger, just delivering 11kW to the EV.
AC charging with 11kW on a very basic charger, just delivering 11kW to the EV.
Ah - OK. Thanks for clarifying Steve. I think it is unresolved because the dealer wasn't prepared to replace the ICCU and wanted to hand the issue back to Kia UK.
Same problem that others of us have seen. Take it to the dealer and ask them to perform a test charge on 7.2 kW charge point with 100% charge current. (Not any other charge point). I had the same symptoms and am now awaiting a replacement ICCU. Charging at 90% current appears to be a way of keeping the car charged while awaiting a new ICCU.
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297 Posts
I heard from the dealer yesterday. Replacement ICCU now arrived, but 4 weeks until a trained EV tech and courtesy car are available on the same day.
Service receptionist assured me that it will fix the problem. They've had a couple of other EV3s with the same fault.
In the meantime, charging at 90% has worked perfectly so far, even when Octopus decides to do it in 2 or 3 slots.
Service receptionist assured me that it will fix the problem. They've had a couple of other EV3s with the same fault.
In the meantime, charging at 90% has worked perfectly so far, even when Octopus decides to do it in 2 or 3 slots.
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11 Posts
Model:
EV3
Year:
2025
How long did you end up waiting for the replacement ICCU. Been waiting à month since KIA UK agreed my dealer could replace the unit.
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297 Posts
4 weeks and 2 days from when I took it in, to getting the phone call
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297 Posts
Did you not get the software update "over the air" a few weeks ago?
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50 Posts
Model:
Kia EV3 GT Line S Pistachio Green
I can’t believe the delays owners are suffering, I told the dealer, and it was not even the dealer we purchased the car from, I was not happy, in no uncertain terms, when this happened to us, we were seen to straight away, so I guess it is dealer dependent, we have had our replacement EV3 for several weeks now, and are now happy. Anyone suffering this, put your foot down, as this is a widespread issue we’ll know about now.
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27 Posts
Model:
EV3
Year:
2024
They originally said it would not help, now back peddling with the statement that KIA have insisted on this first. In addition, they need the car for the whole day....
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