I just came upon the TSB from last year. I found issue and have fixed it. Pull back the window gasket after lowering the window and you will see where the lower and upper steel seem is not aligned. Actually mine has a gap you can see from picture. I have what is called bulb seal from my former business, you will need to form a high density rubber such as this to about a 3/8 inch strip and placed directly over the seem from the pillar side top radius to the top of the door trim. I would suggest glueing it then put factory seal back over it. It’s a little tedious.
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