Hummer H2 Problem Report

Hummer H2 Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

(30 reports)

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.

battery when dead and when replaced air only comes out defrost vents under windshield, have not fixed it yet looking for info about this problem -
air delivery only coming out of defrost vents,problem delivery door actuator failure -
hot air blowing out the vents. No cold air will blow out. -
A/C and Heater blows only through defrost vents; problem occurred immediately following battery replacement at Sears. Online Blogs suggest easy, relatively inexpensive fix by replacement of Mode Door Actuator; however, Hummer dealer indicated ~ $1000 repair charge for service requiring removal of entire dashboard. -
ac blows hot even when there is freon -
no air out vents -
Not exactly sure if it happened when changed battery but close to that time. Air doesn't blow hard and direction varies. Air feels like it is pulsating out of vents. Dealership said it needed new door actuator behind dash. Contemplating repair. very costly. -
drivers side stays cold passanger sid works fine just started what's the problem / -
Once in a while the air vent shoots out very hot air! I turn off the system once or twice to resolve it! -
A/C will only blow through main vents.. will not defrost.. A/C stays running on driver side not matter what the switch is set for -
It's not fixed yet, but I have a problem with my battery going dead, and the most recent time, when I got it running again the AC will only blow through the defroster and floor vents. Looking for a solution. Also, airbags keep deflating but I have the parts to fix it. -
the heat was on ful l blast on half the car and the other half was cold if i set it on cold -
changed battery now ac only blows out of defrost -
ac blows cold thru defrost -
Air only blows on defrost mode, climate control panel works fine, just wont switch modes...defrost only.....So many problems wish I never have bought it =( -
Defrost vent would work instead of the floor heater vent. -
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controls seem to work fine for passanger side. could this be as simple as the temp door actuato...
Air escapes from the air bags. There are no punctures. Could it be a sensor?
I dont know if changing my battery has anything to do with it but before i changed the battery...