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I just got my car out of the shop and the drivers side AC does not blow cold but the pass side does??? I tried going from hot to cold, shutting it off, shutting off the pass side you name it. What is the deal?
Could be a number of things. Not knowing what was done in the shop, I'd say the easiest thing to try first is disconnect the battery for a few minutes then see if that resets everything and hopefully it works.
If not, then most common problem is an actuator, but could be a duct knocked loose, a bad head unit, wire/connector, vacuum line, etc. When the car was in the shop, were they in the dash for any reason?
Try the battery thing if that doesn't work then come back and we can try again.