TIB-43-032

KENWORTH: SOME VEHICLES HAVE DEF LINES ROUTED INCORRECTLY. ERROR CODES P3859 (MX ENGINE) AND P3568 (CUMMINS), DEF DOSER IS NOT RESPONDING OR IS OUT OF ADJUSTMENT FAULT. MODEL INCLUDES T660/T700 AERO MANUFACTURED BEGINNING 04/08/2013 ENDING 06/28/2013. *JS