Hello,
it sounds like you have a mode actuator that is not working right or something dropped down into the vent blocking the doors from working. This guide will help you see how to change the actuator and see if the door is working with diagrams below to show you on your car.
https://www.2carpros.com/articles/replace-blend-door-motor
Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Monday, February 4th, 2019 AT 12:02 PM