Navistar MaxxForce 10 Diagnostic Manual

DIAGNOSTICMANUAL
AFTERTREATMENTSYSTEMFAULTCODES
7.1.MAXXFORCE
®
DT,9AND10(EPA10)
SPN
FMI
ConditionPossibleCauses
32422DPFITsignaldoesnotagreewith
otherexhaustsensors
•BiasedDPFITcircuitorsensor
32423
DPFITsignalOutofRangeHIGH•DPFITsignalOPENorshorttoPWR
•SIGGNDcircuitOPEN
•FailedDPFITsensor
32424
DPFITsignalOutofRangeLOW•DPFITsignalcircuitshorttoGND
•FailedDPFITsensor
32462
DPFOTsignaldoesnotagreewith
otherexhaustsensors
•BiasedDPFOTsensororcircuit
32463
DPFOTsignalOutofRangeHIGH•DPFOTsignalcircuitOPENorshortto
PWR
•SIGGNDcircuitOPEN
•FailedDPFOTsensor
32464
DPFOTsignalOutofRangeLOW•DPFOTsignalcircuitshorttoGND
•FailedDPFOTsensor
3246
7
DPFOTnotwarmingalongwith
engine
•BiasedDPFOTcircuitorsensor
324620DPFovertemperature-possible
lterdamage
•RestrictedDPF
•DOCFailure
•Engineoverfueling
•DownstreamInjectionoverfueling
•BiasedDPFOTsensororcircuit
32512DPFDPaboveorbelowdesiredlevel•BiasedDPFDPsensororcircuit
•RestrictedorpluggedDPF
•ReversedDPFsensorhoses
32513
DPFDPsignalOutofRangeHIGH
•DPFDPsignalcircuitshorttoPWR
•SIGGNDcircuitOPEN
•FailedDPFDPsensor
32514
DPFDPsignalOutofRangeLOW
•ReversedDPFDPsensorhoses
•DPFDPsignalcircuitOPENorshortto
GND
•FailedDPFDPsensor
325110
DPFDPsignalabnormalrateof
change
•DPFDPsensortubesrestrictedoropen
•BiasedDPFDPcircuitorsensor
75
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Navistar MaxxForce 10 Specifications

General

Brand	Navistar
Model	MaxxForce 10
Category	Engine
Language	English