Heat and Air Conditioning both at once

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Joined: Sat May 21, 2016 4:09 pm

Heat and Air Conditioning both at once

Postby trakehner » Sat May 21, 2016 4:14 pm

I have a 2012 Volt. The heat hasn't been going on lately...only air conditioning. Today, both air conditioning and heat showed as being "On"...but air coming out was cold. When I turned the system to "Off", then I got some heat. Very odd.

Is this a software problem? Of course, the car is out of warranty, but I've heard Chevy has been fixing some problems when they occur and not doing recalls.

Any guesses or info.

Posts: 51
Joined: Thu Apr 09, 2015 6:26 pm

Re: Heat and Air Conditioning both at once

Postby leppard3 » Sat May 21, 2016 4:53 pm

There are some instances where the Heat AND A/C will show as being on. One is when the unit is defrosting the windshield. You can manually set it to defrost but it will also do this automatically when it senses conditions where frost on the windshield is likely. Mine is a 2011 and I have seen both showing on several times. I have never been concerned about it.
Not sure about your getting heat when you turn the system off??????

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