Navistar International LT Series - DEF Contamination or SCR System Fault

Operation
IndicatorsaboutLowDEFLevel(ForVehiclesEquippedwithInternational
®
A26Engines)(cont.)
LevelIndicationAudibleAlarmLCDTextMessageVehicleConditions/Operation
4
(Flashing)
(Solid)
(Solid)
Repetitiveshortbeep
DEFLOWENGINEDERATED
5MPH.
Vehiclespeedislimitedto5mph.(8
km/h)
DEFContaminationorSCRSystemFault
WARNING
Topreventpersonalinjuryand/ordeath,or
damagetoproperty,seekserviceimmediately
ifDEFcontaminationorSCRsystemfaultis
detected.Failuretoresolvetheproblemsmay
resultinalossofenginepowerandvehicle
speed,andmaycauseanaccident.
IfincorrectliquidisintheDEFtankorifsomeotherfaultis
detectedwithintheSCRsystem,theAmberWarningLampor
MalfunctionIndicatorLampwillilluminate.Ifnoactionistaken
intheinitialwarningstages,engineperformancewillbederated
byatleast25%,andeventuallyvehiclespeedmaybelimitedto
5mph(8km/h).
SeethefollowingtablesfordetailedexplanationofDEForSCR
systemindicators.
181