Hello I have been fighting this code on a volvo d13 2017. It is not putting me in limp mode but i just know something is wrong and this engine light is driving me nuts. I found on the dpf flex pipe on of the clamp there is a lot of DEF white powder build up only on the side of the doser. Is it possible bad gasket can cause this ? What do you guys think. I cleaner the doser as well but the sprayers in the midde looked like the doser it is working and were not clogged but i cleaned the whole thing
