1DIAGNOSTICTROUBLESHOOTINGPROCEDURES21
SPNFMISub-sectionConditionDescription
51094DCU(page475)DCUbatteryvoltagebelow10volts
510919DCU(page475)DCUnotdetectedonJ1939
524615DEFTLT(page746)SCRT amperProofInducementLevel1status
529817AFT(page156)DOCEfciencyfault,T emperaturebelowminimumRegen
Aborted
529818AFT(page156)DOCEfciencyfault,Temperaturebelowminimum
530218Ammonia(page338)PostSCRNH3ConversionEfciency-DataValidButBelow
NormalOperatingRange-ModeratelySevereLevel
531931AFT(page156)DPFincompleteregeneration
53942DEF:DU(page554)DEFDosingbelowdesired(LowNOxconversionacross
SCR)
53945DEF:DU(page554)DEFDoserValveopenload/circuit
53947DEF:DU(page554)DEFDosingUnit-Mechanicalsystemnotresponding
53950Engine(page1132)Engineunabletoachievedesiredidletorque(toohigh)
53951Engine(page1132)Engineunabletoachievedesiredidletorque(toolow)
539731DPF(page840)DPFregenerationsareoccurringtoofrequently
54562AFTFIS(page226)AFTFITsignalerratic,intermittent,orincorrect
54563AFTFIS(page226)AFTFTsignalOutofRangeHIGH
54564AFTFIS(page226)AFTFTsignalOutofRangeLOW
54913DEF:LHR(page570)DEFLineHeaterRelayOpenorshorttoPWR
54914DEF:LHR(page570)DEFLineHeaterRelayshorttoGND
55412EBPV(page930)TC1TOPsignalerratic,intermittentorincorrect
55413EBPV(page930)TC1TOPsignalOutofRangeHIGH
55414EBPV(page930)TC1TOPsignalOutofRangeLOW
554215EBPV(page930)TC1TOPAboveDesired
554217EBPV(page930)TC1TOPBelowDesired
55433EBPV(page930)EBPCshorttoPWR
55434EBPV(page930)EBPCshorttoGND
55435EBPV(page930)EBPCopenload/circuit
57423DOC(page800)DPFThermocoupleControllerOutofRangeHIGH
57424DOC(page800)DPFThermocoupleControllerOutofRangeLOW
574211DOC(page800)DPFThermocoupleControllersignalerratic,intermittent,or
incorrect
574216DOC(page800)DPFThermocoupleControlleraboveMaximumTemperature
574219DOC(page800)DOC/DPFTemperaturemodulenotdetectJ1939
57433SCR(page1907)SCRThermocoupleControllerOutofRangeHIGH
57434SCR(page1907)SCRThermocoupleControllerOutofRangeLOW
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