Chevrolet Silverado 3500 Problem Report

Chevrolet Silverado 3500 Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

(7 reports)

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

If u switch from a/c to heat or vis- versa the heat or a/c stay on when you want the other if i shut off motor an cool it for several minutes upon restart the heat- a/c you wanted starts. -
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