Foreword
5.Changesinhardware,software,calibration,or
programmableparametersthatincreaseengine
operatingspeedorhorsepowerotherthanthose
providedbyNavistar,Inc.
6.ExhaustSystem:Removingorrenderinginoperative
exhaustsystemcomponents,includingmufer,
resonator,exhaustaftertreatmentcomponents,or
tailpipe
NOTE:RefertoSection7–MaintenanceInstructionsfor
propermaintenance,use,andrepairofnoiseemission
items.
EmissionControlSystems
NOTE:FederalandCaliforniaemissionsystemwarranties
arefoundinyourEngineOperationandMaintenance
Manual.
HD-OBDForeword
HeavyDutyOn-BoardDiagnostics(HD-OBD)isaU.S.
Governmentmandatedstandardforall2013andlaterClass4
andabovevehicleswithaGrossVehicleWeightRating(GVWR)
of14,001poundsormore.TheHD-OBDsystemmonitorsthe
engineandaftertreatmentsystemstoverifytheyareoperating
withinemissionslimits.Ifanemissionsfaultislogged,the
MalfunctionIndicatorLamp(MIL)willilluminateandoneormore
faultcodeswillbeset.
TheHD-OBDsystemoperatessimilarlytopreviouspowertrain
controlsystemsbystoringfaultcodesandturningontheMIL.If
theproblemthatcausedthefaultgoesaway,thecodewillclear
andtheMILwillgooutaftercertainoperatingconditionshave
beenmet.Thismaytakeseveraltimesoperatingthevehicle.
SupplementalFederalEmissionControlSystemWarranty
TheUnitedStatesEnvironmentalProtectionAgencyadopted
newheavy-dutyGreenhouseGas(GHG)vehicleregulationson
15September2011.ThisvehiclemaybecertiedtotheGHG
regulations.Forcertiedvehicles,additionalGHGemissions
controlsystemwarrantycoverscertainvehiclecomponents.
ThisSupplementalGHGFederalEmissionControlSystem
Warrantycoverageforthesevehiclecomponentswillbe
managedaccordingtocurrentFederalEmissionControlSystem
Warrantyprocess.TheGHGemissioncontrolsystemwarranty
appliestothebelowlistedvehiclecomponentssuchthatthey
meetthefollowingtwoconditions:
1.Thevehicleand/orGHGemissioncontrolsystem
componentisdesigned,built,andequippedsoit
conformsatthetimeofsaletotheultimatepurchaser
withtherequirementsoftheGHGregulationsandsuch
componentisanemissioncontrolandappearsonthe
GHGvehicleemissioncerticationlabel,and
2.Thevehicleand/orGHGemissioncontrolsystem
componentisfreefromdefectsinmaterialsand
workmanshipthatcausethevehicletofailtoconform
totheGHGrequirementsduringtheapplicable
supplementalwarrantyperiod.
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