Problem overview
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.
38 people reported this problem
18 commentsChevrolet Silverado 2500 HD vehicles with this problem
8 model years affected
Average mileage: 140,002 miles
(73,000 - 240,000)
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