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st kitts
10-29-2009, 01:43 PM
I have just taken my 04 H2 out of storage for my winter ride. I set both controls to heat and heat comes out the drivers side but cold comes out the passenger side. Is there a gate stuck?
Easy Ed
10-29-2009, 03:45 PM
Gotta ask to be sure but, you do have the same heat settings for both sides, right ?

Ed
st kitts
10-29-2009, 03:47 PM
Yes, both set to high (hot). I even tried to set drivers to cold and passenger to hot but both came out cold.
Easy Ed
10-29-2009, 05:16 PM
Guess I missed that in your first post, about the heat setting that is.

Might need to have it checked for codes for starters. The manual has a list of DTC's for the HVAC system and there is a code for that door not opening/working.

Could try to disconnect the battery for a bit to see if it clears it up, just a suggestion/stab in the dark.

http://i639.photobucket.com/albums/uu112/esheri/HUMMER%20H2/H2Manual004.jpg

Yes, both set to high (hot). I even tried to set drivers to cold and passenger to hot but both came out cold.