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fionastar4

Arteon Climate Control Failure: Common Sensor Issues

Has anyone dealt with climate control sensor issues in their Arteon? My 2017 model is acting up, the auto temperature control stopped working completely and the AC wont turn on. Getting error codes from the system too. Pretty sure its related to the temperature sensor, but want to confirm before heading to a workshop. Would really appreciate hearing from others who have experienced similar sensor diagnostics and how the repair went, especially the actual fix their workshop did. Any tips on troubleshooting or estimated repair costs would be great.

Summary of the thread

The conversation centers around a 2017 Arteon experiencing climate control failure, specifically with the auto temperature control and AC not functioning, accompanied by error codes P0616 and P0531. The issue is suspected to be related to the temperature sensor, possibly due to a faulty wiring harness, a common problem in similar models. A suggested solution involves checking and potentially replacing the wiring harness, which resolved a similar issue in a 2019 Passat, with a repair time of about 2 hours and a cost of 95€. It's also recommended to clear the climate control module memory post-repair to reset error codes.

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4 comment(s)

johanna_koehler7

As someone with decent experience maintaining my 2019 VW Passat, I ran into very similar HVAC sensor troubles last winter. The temperature control system started acting erratically, with incorrect temperature readings and the climate regulation system eventually stopped responding. After some basic troubleshooting, I took it to my regular workshop. The diagnostic revealed a faulty cable connection to the temperature sensor, apparently a common issue in this model series. The repair involved replacing the wiring harness and reconnecting the sensor properly. Total cost was 95€ for parts and labor, and the climate control has worked flawlessly since. To help diagnose your specific case, could you share: Are you getting specific error codes? Does the temperature reading show any numbers at all? When did you first notice the sensor issues? Have you had any recent work done on the HVAC system? The Arteon and Passat share many components in their climate control systems, so the fix might be similar. But getting these details would help confirm if your issue matches what I experienced.

fionastar4 (community.author)

I have exactly these climate issues with my Arteon too. After my latest service at 144781km, the HVAC sensor started acting strange, giving incorrect temperature readings. Initially thought it was a minor glitch, but the climate regulation system has gotten worse. The error codes I am getting are P0616 and P0531. The temperature display shows unusual numbers, sometimes freezing at a specific reading. No previous work was done on the climate control unit before this started happening. Sounds like your wiring harness fix might be relevant to my case, especially since both cars share similar climate control components. The 95€ repair cost seems reasonable compared to what I was worried it might cost. Did your workshop mention how long the repair typically takes?

johanna_koehler7

Thanks for providing those details. Yes, my situation sounds nearly identical to yours, even down to the error codes and unusual temperature readings. Those exact codes (P0616 and P0531) showed up in my Passat too, which helped confirm it was indeed a wiring harness issue affecting the HVAC sensor system. The repair at my workshop took about 2 hours total. Most of that time was spent accessing the temperature sensor connection points and carefully routing the new wiring harness. The actual replacement and sensor diagnostics were pretty straightforward once they got to it. One thing I should mention, after my repair, the workshop recommended clearing the climate control module memory to reset any stored error codes. This helped ensure the temperature reading system started fresh with the new wiring. You might want to have them do this for your Arteon too. Just watch out for any shops suggesting a complete sensor replacement without checking the wiring first. Since our cars share similar climate control architecture, theres a good chance the wiring harness will resolve your temperature sensor issues too.

fionastar4 (community.author)

Thanks, this helps confirm what I suspected. Based on your experience, I will definitely get the wiring harness checked first before considering a full sensor replacement. Its good to know the repair time is only around 2 hours, makes it easier to plan around. I will book an appointment with my workshop and make sure to mention the specific error codes and symptoms, plus ask them to check the wiring harness connection to the temperature sensor first. Will also request they clear the climate control module memory after the repair as you suggested. Really appreciate you sharing the details of your repair experience, especially since our cars share similar climate control systems. The 95€ cost estimate gives me a good baseline to work with. Hopefully my fix will be as straightforward as yours was. Will update once I get it sorted in case anyone else runs into similar sensor issues with their climate control system.

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VW

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ARTEON