So I need some input here this is something interesting, I keep having spn 5394 fmi 17 show up on two separate trucks i have tried everything and fixed and check all necessary components scr is performing perfect pressurizing dosing and all with no problems no issues from egr or egr coolers nox sensors were replaced in both cases the code comes up asks for a regen once it does the regen it disappears . I need to know if anyone ran across this before it's in a 13 volvo ved 13 @QUALITYTRUCK ,@Snailexpress