1999 GMC Jimmy Q&A

1999 GMC Jimmy Question: Wht does my heater still have hot air coming out even when it is turned off?

My heater works fine, but when I turned it off today hot air still came out. The blowers were off and all dials turned off. -
Answer 1
the mode door may not be closing when commanded. you need to find the door and see if it closes when turned off. Roy -