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.
Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator on Chevrolet 3500 Pickup
Average mileage: (–)
11 people reported this problem
Verified for the Chevrolet 3500 Pickup16 reports
Verified for the Chevrolet 3500 Pickup13 reports
Verified for the Chevrolet 3500 Pickup3 reports