scr problem

[shoe128]

2016 isx15 2350 ive had problems with my scr using to much def had it check, it was puged prety well. replaced tube and injector.the hole sys thier. dpf was pulled and checked was good
"better than i expected," but my 1st problem its using to much def stacks are white again !!

i have insite 7-not real great with it but learning ,and not comp savy to say.
a deman is not really in my thoughts,but open to
so im thinking my be reprogram or something of sorts??
ive had some work dun at shops im not complt happy with,as most arnt.

we'll start here