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richardlion26

Seat Arona fog sensor issue

My 2018 Seat Arona diesel shows a fog sensor error. Symptoms: error stored in memory, AC off, frozen spray nozzles, mirror heating off. Likely cause: cable/plug. Thoughts?

Summary of the thread

A 2018 Seat Arona diesel is experiencing a fog sensor error, leading to issues such as the air conditioning being off, frozen spray nozzles, and non-functional mirror heating. The likely cause is identified as a defective cable or plug connection to the fog sensor. The suggested solution is to inspect and repair the cable connection, which was confirmed to be the issue, costing 95€ to fix.

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4 comment(s)

tilda_friedrich21

I had something similar with my Arona. The climate control was acting up and the visibility was terrible due to frozen spray nozzles. Have you checked the car sensor connections near the front of the vehicle? Sometimes a loose plug can cause all sorts of issues. Think of it like a loose wire in a lamp – it can make the bulb flicker or not turn on at all.

richardlion26 (community.author)

Did the dashboard warning light up constantly, and did mirror heating also fail? What was the final diagnosis?

tilda_friedrich21

Yes, the dashboard warning was on, and the mirror heating was definitely not working. It turned out to be a defective cable connection to the fog sensor. The automotive sensor itself was fine, but the connection was faulty. I'd suggest getting it checked at a workshop; it might save you a lot of headaches.

richardlion26 (community.author)

Confirmed cable defect on fog sensor. 95€ repair. Thanks for the confirmation.

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SEAT

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ARONA