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timschmitz1
Seat Exeo electrical issues
4 comment(s)
timschmitz1 (Author)
I haven't checked with a multimeter yet, I don't have one. But I did use an OBD2 scanner, and it gave me a 'low voltage' error code. Also, the scanner showed the battery voltage fluctuating a lot. Could this still indicate an alternator issue or is it more likely the battery itself causing the problem?
fabianmoore1
Yeah, those fluctuating voltage readings definitely sound like a battery problem. Mine was doing the same before I replaced it. While it could theoretically be the alternator, a bad battery is way more common. I'd suggest taking it to a workshop to get the battery properly tested. They can load test it and see if it's holding a charge.
timschmitz1 (Author)
Took the car to the shop, and you were spot on, the battery was heavily discharged. They replaced it, and now everything is working perfectly. The total cost was 290€, but it was worth it to have the car running smoothly again. Thanks for your help!
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fabianmoore1
I had a similar issue with my Seat Leon. It also showed low voltage warnings. Have you checked the battery voltage with a multimeter? What's the reading when the engine is off and when it's running?