Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail: GMC K1500 Heating & Air Conditioning

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.

13 people reported this problem

2 comments

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GMC K1500 vehicles with this problem

10 model years affected

Average mileage: 158,000 miles

(151,000 - 165,000)

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Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail on GMC K1500

Problem overview

GMC K1500 vehicles with this problem

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