HVAC problem on 2007 GMC Yukon Denali

While both sides are calling for cooling, the drivers side cools while the passenger side heats (blasts hot air)

by in Helena, MT on April 05, 2009
1 answer
ANSWER by , April 08, 2009
This could be the HVAC module, I've heard some are being reprogrammed if one side is not functioning properly. This should be covered under your basic warranty if it hasn't expired.