Navistar MaxxForce 13 - SYMPTOM 1 (HEAVY DUTY): FREQUENT PARKED REGENS WITH NO ACTIVE FAULT CODES (MORE THAN ONE PARKED REGEN PER DAY)

DIAGNOSTICMANUAL
MAXXFORCE
®
11,13AND15AFTERTREATMENTSYSTEMDIAGNOSTICS
9.1.STARTDIAGNOSTICSHERE:ENGINEANDAFTERTREATMENTSYSTEM
OPERATIONALCHECKS
Overview
Aproperlyoperatingaftertreatmentsystemrequireslittlemanualinterventionfromtheoperator.Illuminated
warninglampsindicateadrivingorextendedidleoperationthatmaynotallowasuccessfulregenerationofthe
aftertreatmentsystem.Theseilluminatedwarninglampsmayindicateanenginemechanicalorperformance
concern.
ToolsRequired
•ElectronicServiceTool(EST)withServiceMaxx™software
•Interfacecable(RP1210BcompliantsupportingJ1939andJ1708)
NOTE–AfrequentregenconcernmaynotberepairedbyonlyperforminganOnboardFilterCleanliness
Test(OBFCT).Performallstepsinthefollowingdiagnosticprocedureinordertoidentifyrootcause
failure.
NOTE–Repairallactivefaultcode(s)otherthanSPN3719(DPFSootLoad)beforebeginningEngine
andAftertreatmentSystemOperationalChecks.
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