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haralddavis3

Auris AC and Temperature Issues

My 2015 Toyota Auris with a gasoline engine is acting up. I'm getting an error stored and a warning light. The AC won't even kick on! Mileage is at 46537 km. I suspect it might be the temperature sensor heat exchanger, but I'm not sure where to start.

4 comment(s)

AnniWinter

Whoa, sounds familiar! I've got an Auris too, and I had similar HVAC system problems a while back. Engine cooling was all over the place. Was your temperature gauge going crazy, too? Could be a coolant leak messing with the sensor malfunction.

haralddavis3 (Author)

The temperature gauge seems normal, but the error code definitely points to the heat exchanger temperature sensor. Did your error messages specifically mention that, or was it something else?

AnniWinter

Yep, the error was related to the heat exchanger temp sensor alright. Honestly, after chasing ghosts for a bit, the workshop guys said it was a defective air conditioning control unit all along. Saved me a ton of headache just letting them diagnose it properly.

haralddavis3 (Author)

Thanks a bunch! That's super helpful. I'll take it to a trusted workshop and get the AC control unit checked out. They quoted me around 980€ for the repair – hopefully, that's all it is!

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