Jan 2, 2017 #1 L Larsinist New Member Joined Sep 6, 2015 Messages 1 Car w211 220cdi 2008 My star diagnose system wont start, when i try to use xentry it says fault code (1.2)503.9912. See picture of the fault code, what is wrong Attachments IMG_0184.jpg 227.2 KB · Views: 12
My star diagnose system wont start, when i try to use xentry it says fault code (1.2)503.9912. See picture of the fault code, what is wrong