gabrielweiss1

Seat Leon climate control problem

My 2001 Seat Leon with a gasoline engine is giving me climate issues. The automatic temperature control isn't working, and the air conditioning won't switch on. There's an error stored. I suspect a faulty interior temperature sensor cable or plug connection. Mileage is at 108058 km.

A 2001 Seat Leon experienced climate control issues, with the automatic temperature control malfunctioning and the air conditioning not activating. The suspected cause was a faulty interior temperature sensor or a loose connection. After professional diagnostics, the problem was confirmed to be a faulty sensor, which was replaced, resolving the climate control issues.

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4 comment(s)

Sounds like a familiar problem. I had similar climate issues with my Leon. The automatic temperature reading went haywire, and the air con wouldn't kick in. Have you checked the sensor connections? Sometimes it's just a loose plug.

Where exactly is this interior temperature sensor located, and how involved is it to check the connection?

On mine, the sensor was behind the little grille near the climate controls on the dash. It's accessible but fiddly. If you're not comfortable poking around, getting the sensor diagnostics done professionally might be the way to go. Could save you some headaches.

Thanks for the insight. Took it to a shop, turned out the interior temperature sensor was faulty, like you suspected. Sensor replacement plus diagnostics came to 95€. Climate control is working again.

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SEAT

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LEON