a/c blows cold on pass. side not on driver side on 2004 Chevrolet Monte Carlo

Freon is good, does have sep. driver/pass. climate controls(when I slide to heat it blows hotwhen I slide back to cold does not get no where as cold as the pass side

Asked by for the 2004 Chevrolet Monte Carlo
It sounds as if the drivers side temperature door actuator has failed in your 2004 Chevrolet Monte Carlo. If that is the case a fault code should be stored in the A/C control module. You will may need a scan tool to read and properly diagnose your A/C fault.