Definitely had a one or many a mouse in my new truck (2018). Hope they didn’t get any further anywhere with what they chewed off of the filter. The bottom left hand corner was in the back left hand side. I was searching for a diagram that showed intake to the filter and where/how it flowed from the filter box when I found this thread.
Last truck (2006) they got under my hood and chewed a wire harness somewhere. Kept blowing fuse. Byers Chevrolet in Columbus could never find the issue. I just lived with not being able to use passenger side windows for a very long time.