Avensis Air Conditioning and Temperature Sensor Issue

I've got a problem with my 2016 Toyota Avensis gasoline. I'm getting an error stored and an error message on the speedometer. The air conditioning won't switch on. I've checked the basics, but I'm thinking it might be the temperature sensor for the heat exchanger. Anyone else run into this?

4 comment(s)

Sounds familiar. I had a similar issue with my Avensis. The air con not working is a real pain, isn't it? Was the error message specifically pointing to the temperature sensor or something more general? Maybe a sensor malfunction? Engine cooling issues can be tricky.

The error code does point to the temperature sensor heat exchanger being defective, yes. The mechanic also suspects a defective air conditioning control unit might be the cause. Could it be a sensor calibration issue, or did you have the same error codes and the same air conditioning symptoms?

Yeah, the symptoms sound spot on with what I experienced. Same error codes, same air con problem. In the end, I had to take it to a workshop. They diagnosed it pretty quickly. Saved me a lot of headache. Could be the AC control unit as the mechanic said.

Thanks for the confirmation. I appreciate the insight. Looks like a trip to the workshop is inevitable. Got a quote for around 980€, so I'll bite the bullet. Hopefully, it'll sort it out for good.

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