221DIAGNOSTICTROUBLESHOOTINGPROCEDURES
SPNFMISub-sectionConditionDescription
574311SCR(page1907)SCRThermocoupleControllersignalerratic,intermittent,or
incorrect
574316SCR(page1907)SCRThermocoupleControlleraboveMaximumTemperature
574319SCR(page1907)SCRT emperaturemodulenotdetectJ1939
57453DEFSMH(page508)DEFSupplyModuleHeaterOutofRangeHIGH
57454DEFSMH(page508)DEFSupplyModuleHeaterOutofRangeLOW
574518DEFSMH(page508)DEFDosingUnitHeaterbelowWarningTemperature
57463DEF:SMHRelay(page782)DEFSupplyModuleHeaterRelayshorttoPWR
57464DEF:SMHRelay(page782)DEFSupplyModuleHeaterRelayshorttoGND
57982DEFSMH(page508)DEFSupplyModuleHeaterTemperatureerratic,intermittent
orincorrect
579810DEFSMH(page508)DEFSupplyModuleHeaterT emperatureabnormalrateof
change
52066831DEF(page497)ControllerAdaptationOuterLimitsReached(LowReductant
Delivery)
52066931DEF(page497)ControllerAdaptationInnerLimitsReached(LowReductant
Delivery)
Figure1WarningLamps
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