Driver two vent blowing hot air while passenger two vent blowing cold air? on 2008 Chevrolet Suburban 1500

Tried all different settings on air conditioner and heat controls and nothing seems to work. Any suggestions on what this might be?

by in Haslet, TX on September 15, 2013
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2 answers 1 comment
ANSWER by , September 15, 2013
hi available?
COMMENT by , September 15, 2013
This aint a dating service!
ANSWER by , September 15, 2013
HVAC system can be scanned for codes, best place to start.