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+--- Thread: Isx 3567 code and derate (/showthread.php?tid=9963)
Isx 3567 code and derate - JM84 - 02-13-2025
Hello,
Got a truck with scr fault which is derating engine.
Code is 3567. Had the code pop up a few months ago but went inactive. Now it’s back. Most likely cause the doser valve? Metering unit?
I’m not going through any def fluid. Level is staying the same. I did a def fluid leak test and it pressures up fine.
RE: Isx 3567 code and derate - tree98 - 02-13-2025
It's saying the def doser isn't getting power. Look for a wiring problem or bad doser.