Car Problem Reports

GMC 3500 Pickup Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

 
GMC 3500 Pickup Problem
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Model Years Affected: 1996, 1997, 1998, 1999, 2000

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One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.

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