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WolfKrauser

Seat Tarraco problems with the electronics after it has rained

Hello everyone, I have a problem with my 2018 Seat Tarraco Diesel, which now has 237654 km on the clock. The car will no longer open or lock, and the lights are dim or flickering. Could this be due to a fault in the exterior door handle electronics? Has anyone had similar problems and can share their experiences with the garage? Thank you very much!

(Translated from German)

Summary of the thread

A 2018 Seat Tarraco Diesel is experiencing issues with unlocking, locking, and flickering lights, potentially due to rain-related electronic problems. A similar case with a Seat Ateca involved a faulty control unit, which was resolved by replacing it. The suggested solution is to have the control unit checked and possibly replaced to restore functionality.

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4 comment(s)

PatNeuMan

Hello, I recently had a similar problem with my 2017 Seat Ateca. My control unit was faulty. The symptoms were almost like yours: the car wouldn't unlock and the lights kept flickering. At the garage, they first checked the battery and the cables, but ultimately the control unit had to be replaced. Yes, it was a serious matter, but after the replacement everything worked perfectly again. I would recommend that you have the control unit checked. Good luck.

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WolfKrauser (community.author)

Hey, thanks for your answer! Do you remember how much the whole thing cost? And has anything else come up since then? Would like to avoid getting into a similar situation. Best regards!

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PatNeuMan

Hey, sure, I can tell you. After I went to the garage, the fault in the door handle electronics was rectified. All in all, it cost €600 because the control unit was defective and had to be replaced. Since then, everything has been running perfectly again and no new problems have arisen. So, if you are experiencing similar symptoms, I would definitely have the control unit checked. Hope this helps you! Best regards!

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WolfKrauser (community.author)

Hey, thanks for the detailed info, that really helps me! I will definitely make an appointment with my garage and have the control unit checked. Hopefully that will save me any more drama. Thanks again for your help! Best regards!

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SEAT

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TARRACO