My ac and heater controls don't work right. The driver side blows hot air and on 2003 Chevrolet Silverado 1500

Passenger blows cold. My rear defrost won't work and the hot and cold controls don't work. The speed of the fan is the only thing that does work

1 answer 1 comment
IT SOUNDS LIKE YOU MAY HAVE A BLEND DOOR ISSUE.
Alright. I will check it and and see if that's the problem. I really do sure hope so. Thanks for letting me no