2005 chevy trk heat blows on drv sd ac blows on psg sd

Question

2005 chevy trk. drv sd blows heat out of vents. psg sd blows cold air conditioned air out of vents at the same time. the controls are both set to cold.

Answer 1

HI there

This is usually the result of a bad blend door actuator under the dash. If the blend door motor has failed then it won't change the temp.