So I had over 150 miles on my range last night, and I made sure everything was off. But now my car is dead, and I can’t even get the doors open. Worst part is that I backed into my parking spot, and now it’s saying the charger is out of range or network. That’s never happened before. Anyone else dealt with this?
Your 12v battery might be dead. It’s possible the ICCU is failing too, but not 100% sure.
Ellis said:
Your 12v battery might be dead. It’s possible the ICCU is failing too, but not 100% sure.
Can you explain it like I’m 5?
Ellis said:
Your 12v battery might be dead. It’s possible the ICCU is failing too, but not 100% sure.
Can you explain it like I’m 5?
Imagine a small battery that needs to work with the big battery, but sometimes the ICCU (kind of like a friend of the battery) isn’t happy and causes issues. You might need to give the small battery some extra power to see if it will all start working again. If that doesn’t work, then it’s time to get the car checked out.
@Skyler
Best explanation I’ve read all day .
Bennie said:
@Skyler
Best explanation I’ve read all day!
Haha, raising four kids gives you a knack for this kind of stuff.
@Skyler
This makes so much sense now .
@Skyler
Love how you put it .
@Skyler
That was hilarious and so helpful
Ellis said:
Your 12v battery might be dead. It’s possible the ICCU is failing too, but not 100% sure.
Can you explain it like I’m 5?
Your electric car has a 12v battery like a regular car. The ICCU charges that 12v battery, which powers things like the electronics. If that small battery can’t get charged, you won’t be able to use the car, even if the big battery has power. The 12v can be recharged with a trickle charger to get it running again, but you’ll still need to replace the ICCU if it’s failing.
@Ellis
Thanks for breaking it down.
Had to replace my 12v with a better battery because the one from Kia kept failing. Got it replaced at AutoZone, and it’s been fine since. ICCU hasn’t been a problem for me, but Kia’s 12v battery quality seems low.
No worries! If you know someone with a trickle charger, give it a try to get the car going, and then set up an appointment with the dealership.
Ellis said:
Your 12v battery might be dead. It’s possible the ICCU is failing too, but not 100% sure.
I’ve had this happen three times in two years. First time, they said it was a software issue and did an update. Other two times, Hyundai replaced the 12v battery under warranty. I’m more worried about the 12v dying than running out of power on the main battery!
@Hart
Did they ever say if your ICCU was the issue, or did they just keep swapping the battery?
Ellis said:
@Hart
Did they ever say if your ICCU was the issue, or did they just keep swapping the battery?
They didn’t mention the ICCU at all. The invoice just said they replaced the 12v battery under warranty. Kind of wondering if they missed something bigger.
@Hart
You’re better off buying a high-quality AGM battery yourself, as dealers keep using lower-quality ones.
Could be an issue with your app if you’re seeing ‘out of range/network’ errors. My app does that a lot because my area has poor cell service. When that happens, I see 0% on the app, but the car’s actually fine. Try checking the car directly instead of relying on the app. If it really is at 0%, you should be able to back it up enough to get it on a charger. A Level 1 charger with an extension cord might help if nothing else works.
