stefanmoeller9

Cronos outside temperature sensor issues

I've got a 2018 Fiat Cronos with a gasoline engine and I'm having a weird issue. The outside temperature sensor seems to be faulty. I'm getting an error code, the AC won't kick on, and at cold temperatures the spray nozzles are frozen, plus the mirror heating isn't working. Mileage is at 49236 km. Could a defective cable or plug connection be the problem?

A 2018 Fiat Cronos is experiencing issues with the outside temperature sensor, leading to an error code, non-functional AC, frozen spray nozzles, and non-working mirror heating. The problem might be due to a defective cable or plug connection. While checking the sensor for dirt or corrosion is suggested, the symptoms indicate a potential wiring issue or faulty sensor, and taking the car to a workshop is recommended for a proper diagnosis and repair.

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4 comment(s)

Sounds familiar! I've got a Fiat Cronos too, though I can't remember the exact year. I had similar problems with the AC and mirror heating last year. Have you checked the sensor itself? Maybe it's just dirty or corroded?

I haven't checked the sensor physically yet. Where exactly is it located, and is it easy to access? I'm not super experienced with car repairs, but I'm willing to give it a shot before taking it to a shop.

Honestly, it's a bit fiddly to get to, and if you're already seeing multiple systems affected (AC, mirror heating, etc.) and an error code, it's probably more than just a bit of dirt. It could be a wiring issue as you mentioned, or a faulty sensor that needs replacing. Given all the symptoms, I'd recommend taking it to a workshop. Could save you a lot of headache.

Thanks for the advice! I was hoping it would be a simple fix, but you're probably right. I'll take it to a workshop and get it checked out. They quoted me around 95€, so hopefully, it won't be too expensive. Appreciate the help!

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FIAT

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CRONOS