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jamesnacht1

Seat Ateca Electrical Issues

I'm getting desperate! My 2020 Seat Ateca with a gasoline engine is acting up. It has about 50938 km. I keep getting overvoltage errors, and various systems are failing. The car battery also seems weak. Could a defective car battery be the cause?

4 comment(s)

martinlang3

I also drive an Ateca and had similar electrical problems. I got a lot of fault codes because of a power surge, and the car battery seemed weak. Have you checked the voltage regulator? If it's faulty, it could cause high voltage and damage the car battery.

jamesnacht1 (Author)

Where is the voltage regulator, and how hard is it to test? I don't know much about car electrics.

martinlang3

The voltage regulator is usually part of the alternator. You need special equipment to test it, so I'd recommend taking it to a workshop. Considering all the electrical malfunctions and error messages, it's probably best to have a professional check it to prevent further damage to the circuit protection.

jamesnacht1 (Author)

It was the car battery! I replaced it, and all the errors disappeared. It set me back 290€, but at least it's sorted. Thanks for the input!

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