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Ioniq Power Window Failure After Battery Replacement

Ioniq 2020 electric, 189596 km. Since the vehicle battery replacement, the power windows can no longer be operated. Error stored in the error memory indicates an unsuccessful window regulator initialization. Has anyone experienced this?

After replacing the battery in a 2020 Ioniq electric vehicle, the power windows stopped functioning due to an error related to unsuccessful window regulator initialization. A hard reset by disconnecting the 12V battery did not resolve the issue. The solution involved taking the car to a workshop where the window regulators were reinitialized using specialized software, successfully restoring window operation.

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4 comment(s)

I have a similar Ioniq. I had a power window issue after some electrical work. Did you try a hard reset? Disconnecting the 12V for a bit?

Yes, I disconnected the 12V battery for about 30 minutes, but the problem remains. Is this the same issue you had with your car?

Yep, exact same symptoms. Unfortunately, a reset didn't fix it for me either. In the end I took it to a workshop to get the window motor reinitialized. They told me that they needed special software for that.

Thanks for the confirmation. I took the car to the workshop as suggested. They reinitialized the window regulators and the windows are working again. Repair cost was 290€.

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HYUNDAI

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IONIQ