timsilver1

Cavalier Blower Motor Issue

Hey, I've got a 2004 Chevy Cavalier with a gasoline engine. The blower motor isn't working. I checked the fuses and relays, and they seem fine. I think it might be the AUC sensor since that controls the HVAC recirculation. I'm wondering if anyone has had similar issues? I suspect a defective cable or plug connection.

A 2004 Chevy Cavalier's blower motor isn't functioning, despite the fuses and relays being intact. The issue might be linked to the AUC sensor, which controls HVAC recirculation, or possibly a defective cable or plug connection. A similar problem in another vehicle was resolved by identifying a faulty sensor through a diagnostic scan. It is suggested to perform a diagnostic scan and consult a workshop for a precise solution.

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I had a similar problem with my 2012 Fiat Punto. The blower wasn't working, and it turned out to be a sensor issue affecting the HVAC system. Did you get any error code when you scanned the car's computer?

Are you talking about an error code just for the AUC sensor, or a general HVAC error? I haven't scanned it yet, hoping to avoid that if it's a common problem. I wanted to check the easy stuff first before using the diagnostic tools.

Sorry, I should have been clearer. It was a general HVAC error code that pointed the tech to the faulty sensor. Since the symptoms are alike, and the AUC sensor can affect the blower, it might be worth checking. A workshop found my problem pretty fast.

Thanks! Based on your experience, I'll get a diagnostic scan and probably take it to a workshop. I appreciate the help. The repair was 95€, and it was a defective cable or plug connection. Hopefully, that helps someone else.

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CHEVROLET

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CAVALIER