Problem Reports
GMC Yukon XL Denali
Report: Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail
GMC Yukon XL Denali Problem
Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2007, 2010
Average Mileage: 84,111 mi (53,000 mi - 102,000 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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Visitor, 2004 GMC Yukon XL Denali, 93,000 mi
AC onm, blows heat on drivers side and cold everwhere else.
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hill95, 2005 GMC Yukon XL Denali, 77,000 miRookie
Front panel doesn't blow any heat or a/c. Very little heat/ac comes from the front floor vents. Only works in defrost, rear heat/ac works good.
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Visitor, 2004 GMC Yukon XL Denali, 74,000 mi
A/C blows cold on driver while pass gets heat... sometimes reverses in the winter. With or without a/c.
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Visitor, 2004 GMC Yukon XL Denali, 102,000 mi
In AC or heat mode. Drivers side blows opposite of passenger and rear temp. Have had issues with climate control since purchased new on 04.
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iheartroxy, 2005 GMC Yukon XL Denali, 53,000 miRookie
While my a/c is running, for no apparent reason the heater will kick on full blast. And just within
the last few months when this occurs, at the same time, my seat heater on the driver side will
mysteriously turn on High. When I realize that my seat is blazing hot & try to turn
off the seat heater, it continues to turn right back on like 6-10 times in a row...every time I turn it
off, within 1-2 minutes it turns right back on! This is NO Fun to deal with while I am driving in traffic or on the highway, especially when it's well over 100* outside!! Any possible explanation would be greatly appreciated! Thank youFlag ThisLike | 2 people like this2 -
Visitor, 2007 GMC Yukon XL Denali, 93,000 mi
No heat on drivers side, only blows cold air. Everywhere else heat is on.
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Visitor, 2010 GMC Yukon XL Denali
Hot air blows on one side of car. Cold air blows on other side of car. Reverses when car is restarted. Very rarely does it actually work properly.
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Visitor, 2002 GMC Yukon XL Denali, 100,000 mi
Air direction for front heat/cool fan only blows windshield defrost, unless dial is turned to defrost in which case it blows less on defrost and gives you a little air from the foot vents; rear blowers work fine.
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