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lilian_mond2

Captiva Blower Motor AUC Sensor Fault

My 2018 Chevrolet Captiva diesel has a strange issue. The blower motor isn't working, and after scanning with my OBD reader, it throws an AUC sensor fault (odor sensor). I've checked the fuses, and they seem fine. The mileage is at 201486 km. Could a faulty AUC sensor really stop the whole blower motor from running? Any ideas before I start tearing the dash apart?

Summary of the thread

A 2018 Chevrolet Captiva diesel experienced a blower motor failure, with an OBD scan indicating an AUC sensor fault. The issue was traced to a faulty connector to the AUC sensor, which was causing the blower motor to stop working. Replacing the connector resolved the problem, restoring the blower motor's functionality.

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4 comment(s)

victoriaeis5

I had something similar happen in my Captiva. It could be worth checking the cable and plug connection to the AUC sensor itself. Seems like a dodgy connection there might cause the issues you are seeing. Good luck!

lilian_mond2 (community.author)

Interesting! So, you mean the physical connection of the sensor? Was your blower motor completely dead, or was it intermittent? Did you get any other symptoms? Just trying to narrow things down before I start poking around.

victoriaeis5

Yeah, the physical connection. My blower was completely dead. No other symptoms, just a non-working fan. If wiggling the connector doesn't help, it's probably time to hit up a workshop for them to check it. I don't see other causes.

lilian_mond2 (community.author)

Thanks for the tip! It turned out to be a faulty connector just as you suggested. My local mechanic replaced it, and the blower motor is now working perfectly. The grand total was 95€ for the new connector and labor. I appreciate the help!

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CHEVROLET

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CAPTIVA