Rattle noise

[Leverl9]

I have a rattle noise in the rear passenger seat area I can not find. It sounds like something metal is loose, when I hit bumps or drive down bumpy roads. I have pulled everything out and can’t find anything it is a 2021 3500 tradesman

 

[Daw14]

Have someone else drive while you are in the back .

 

[Leverl9]

That is what I plan on doing next I have to wait til daughters BF comes over no one else in the family can see over the dash lol

 

[chuck82801]

Were you able to determine the source of the noise?