Have Honda Questions? Ask a Honda Repair Expert.
I have been a professional master mechanic for over 35 years and am happy to help you with this.
This is due to a problem with the driver side air mix control motor. It controls the temp of the driver side air coming from the vents. Its really buried up under the dash and will need replaced. below is what it looks like.
My goal is that you are satisfied with my answer(s). I strive for a 5 star positive rating. It's the only way i get credit. You can still ask me questions for free after the rating.