Re: Center left vent only blows air??
The center vents indeed get most of the air, but if the left center one gets more air then the right center one, that is strange. Is the right vent not partly closed?
There where some members who after the blower motor controller change hardly had any air from any of the vents. The wires where wrongly connected and the blower motor was running in the wrong direction. Can´t tell you though which direction is the right one. But if you get lots of air from the center left vent, i would say that the blower motor direction is ok.
Regarding the 52 and 54 codes (respectively recirculation door and left blend door travel too large), i would start disconnecting the battery for a few minutes to errase the memory and see if both faults come back again. if yes, then you probably have broken end stops on those doors and/ or broken door hinges.