Hello! I have a 2015 límited, i am having a hard Time with the a/c, the front vents blows well but when i turn the rear a/c the fronts goes off and then blows to the rear, so an specialist told me that It was the blower AND a resistor so those were replaced AND the problem still goes on so another specialist told me that It was the hvac module. I am having issues with the part numbers so i used the same part that comes with the truck eb5t-18c612-dd ... And still not works at the front vents, at the dealership here in México told me that i need eb5z-19980-b or d, but i think that part number is For the xlt not limited with the Sony digital buttons... So i am confused what should i look For ? Also i have the b10b9 code on Forscan.