ago in Hyundai by
I have recently had the following problem. My car had a complete power outage twice in a week. Once I was able to operate the central locking and then the power was completely gone. The second time, I just parked, turned off the ignition, removed the key and locked the steering wheel lock. When I opened the door, I noticed that no light came on. The electricity was completely gone again. Nothing worked anymore. Tried several times and then gave up. I tried again the next morning and lo and behold, everything working normally as if nothing had happened.

My battery is now 7 years old and I will replace it now. Despite everything, I was in the workshop and they couldn't find anything. The car started again and again and the battery should also be OK.

Before the two failures, I had 2-3 times that the board computer had reset and the radio stations were also blocked.

Does anyone have any idea what that could be? Someone had ever had the problem?

I thank you in advance.

UPDATE:
At the petrol station today, the power failed again in the car. I got in my car and wanted to start. At the first turn with the ignition key, the lights came on briefly and suddenly the power went out. Everything is dead. After several attempts to get the car, nothing. I stood at the petrol station for about 2-3 minutes until the first behind me honked horn. I got out and signaled that my car was not starting. I got in again, tried to get the car back on, and lo and behold, it worked again.

I am really desperate. Everything was fine for days. Now the problem again. What could that be? It happens only once every few days, after that as if nothing has happened.

As far as you can see in the hood, all cables are fixed. Everything is also fixed on the battery.

3 Answers

+1 vote
ago by
Can be due to the 7 year old battery. Change the battery and see if the error is gone.

I also had to replace the battery on my Kia Rio 2013 in January. Absolutely the same batteries that also fit 100 percent are only available from Hyundai / Kia dealers.
ago by
Thanks for the quick reply. Some friends also looked at the car and tapped the battery. They almost ruled that out in the workshop, but couldn't say anything else that could be.

I have read a few articles on the Internet and there is often talk of ground cable or positive pole cable, whether there might be something loose.

I just don't hope it's very expensive.
+1 vote
ago by
It's always difficult to narrow down if the error occurs sporadically.

I would keep an eye on the safety box from the symptoms if it should become more frequent / worse! I would also put a multimeter at hand in the car and measure the voltage "quickly" directly on the battery in the event of a fault. Then (for comparison) again when everything works again.

If the battery voltage collapses in the event of a fault, there may be a "small" short circuit somewhere in the (unsecured) main lines, or the battery itself has a go!
0 votes
ago by
The pure performance of the battery can hardly be a problem; otherwise the car wouldn't have started the next day ...

On the battery it is very easy to see for yourself whether the two "cables" on the battery are well screwed / connected.

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