Welcome, I'm Chris (aka Moose). Experts aren't employees / agents of Just Answer. We are independent service providers using the Site to sell their Expert knowledge to Customers. I strive to provide EXCELLENT 5 STAR service, let me know what's needed from me so your pleased.
Do you have auto or manual climate control?
Are you planning to diagnose and fix this yourself?
Do you own a volt meter and know how to use it?
The 2 likely causes are the blend door actuator and the HVAC control.
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