matteowolf9
Crossland X temperature sensor and AC issues
Summary of the thread
A 2021 Vauxhall Crossland X owner experienced issues with a defective temperature sensor heat exchanger, resulting in error messages and a non-functional air conditioning system. Despite initial suspicions of a sensor calibration issue, the problem persisted. It was suggested that a faulty AC control unit could be the cause, affecting interconnected systems like the speedometer. Upon taking the vehicle to a workshop, it was confirmed that the AC control unit was indeed defective, and replacing it resolved the issues.
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4 comment(s)
matteowolf9 (community.author)
Thanks for the quick response! I haven't paid close attention to the exact temperature gauge readings, but will do. If it is indeed the AC control unit, could that really cause all these symptoms simultaneously, including the error in the speedometer?
patrickrichter51
Yep, a defective AC control unit can definitely trigger all sorts of errors, including the speedometer warning. Modern cars are so interconnected. I'd say it's probably time to take it to a workshop. They'll be able to diagnose it properly. I bet you it is the AC control unit.
matteowolf9 (community.author)
Thanks a lot for the help! I took it to the workshop as suggested. They confirmed the air conditioning control unit was defective and causing the temperature sensor errors. The repair, including a new unit and recalibration, cost me around 980€. Everything's working perfectly now!
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VAUXHALL
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CROSSLANDX
patrickrichter51
That sounds familiar. I remember having weird AC issues in my old Astra, and it turned out to be a faulty AC control unit messing with everything. Did you check the temperature gauge readings? Are they fluctuating wildly or just stuck?