Operation
DEFContaminationorSCRSystemFault
WARNING
Topreventpropertydamage,personalinjury,
and/ordeath,seekserviceimmediatelyifDEF
contaminationorSCRsystemfaultisdetected.
Failuretoresolvetheproblemsmayresultina
lossofenginepowerandvehiclespeed,andmay
causeanaccident.
IfincorrectliquidisintheDEFtankorifsomeotherfaultis
detectedwithintheSCRsystem,theAmberWarningLampor
MalfunctionIndicatorLampwillilluminate.Ifnoactionistaken
intheinitialwarningstages,engineperformancewillbederated
byatleast25%,andeventuallyvehiclespeedmaybelimitedto
5mph(8km/h).
SeethefollowingtablesfordetailedexplanationofDEForSCR
systemindicators.
172