Aygo Air Conditioning Fault

Hi, I have a 2015 Toyota Aygo with a gasoline engine. Recently, I've been getting an error message on the speedometer, and there's an error stored in the error memory. Also, the air conditioning doesn't switch on anymore. I suspect it might be related to the temperature sensor in the heat exchanger. Has anyone experienced something similar?

4 comment(s)

It sounds like you're experiencing issues with your Aygo's climate control system. The symptoms you describe could indicate a problem with the temperature sensor circuit. Have you noticed any unusual engine cooling behavior, like the temperature gauge acting erratically?

Thanks for the reply. No, the temperature gauge seems normal. Could it still be the temperature sensor if the gauge is working fine?

Given the AC issue and error codes, a defective air conditioning control unit is quite plausible, even with a normal temperature gauge. The sensor may be sending incorrect data specifically to the AC system. I would recommend having a workshop run a diagnostic test to confirm before replacing any parts.

Thanks for the advice. I took it to a workshop, and they confirmed it was indeed the air conditioning control unit, as you suggested. Repair cost was 980€. All sorted now.

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