Car Problem Reports

GMC Yukon Denali Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

GMC Yukon Denali Problem
9 Reports
Me Too

Model Years Affected: 1999, 2000, 2004, 2005

Average Mileage: 115,666 mi (55,000 mi - 230,000 mi)


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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