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mariesky49

Skoda Karoq Fog Sensor Issue

I'm having some trouble with my 2020 Skoda Karoq with a gasoline engine. It has about 40597 km on it. I'm getting an error stored related to the fog sensor. Because of this the air conditioning system does not switch on, the spray nozzles are frozen at cold temperatures, and the mirror heating is not working either. I've read the likely cause is a defective cable or plug connection. Has anyone experienced something similar?

Summary of the thread

A 2020 Skoda Karoq owner reported issues with the fog sensor, affecting the air conditioning, spray nozzles, and mirror heating. The likely cause was identified as a defective cable or plug connection. A similar experience suggested checking the wiring for loose or corroded connections. The problem was resolved by replacing the defective plug connection, restoring full functionality.

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4 comment(s)

robertschubert94

That sounds frustrating! I had a similar issue with my Karoq. The climate control refusing to kick in was a nightmare. Have you checked the wiring to the sensor itself? Sometimes, the connections can become loose or corroded, especially with car sensors exposed to the elements.

mariesky49 (community.author)

When you say wiring to the sensor, do you mean where it plugs into the sensor itself? Was it obvious when you looked, or did you need to use a multimeter or something?

robertschubert94

Yes, I meant the connection directly at the sensor. In my case, it wasn't immediately obvious, but there was some corrosion on the connector pins. If you're not comfortable checking it yourself with a multimeter, I'd recommend taking it to a workshop. These automotive sensors can be tricky, and you don't want to cause any further damage.

mariesky49 (community.author)

Thanks for the info. I took it to the workshop, and you were spot on. It was indeed a defective plug connection on the fog sensor. They replaced the connector, and now everything is working as it should. The total cost was 95€. Appreciate your help!

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SKODA

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KAROQ