1-91-9THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)
FFaauullt t CCoodde e - - LLiigghht t FFaaiilluurre e DDeessccrriippttiioon n FFaaiilluurre e RReessuullttss
33225 5 - - YYeelllloow w No No cucurrrreennt t ddeetteectcted ed at at NoNo. . 6 6 iinnjjececttoor r whwheen n tthhee
voltage is turned on.voltage is turned on.
Current to the injector is shut off.Current to the injector is shut off.
33331 1 - - YYeelllloow w No No cucurrrrenent t ddeetteectcteed d aat t NoNo. . 2 2 iinnjjeectctoor r wwhhen en tthhee
voltage is turned on.voltage is turned on.
Current to the injector is shut off.Current to the injector is shut off.
33332 2 - - YYeelllloow w No No cucurrrrenent t ddeetteectcteed d aat t NoNo. . 4 4 iinnjjeectctoor r wwhhen en tthhee
voltage is turned on.voltage is turned on.
Current to the injector is shut off.Current to the injector is shut off.
33441 1 - - YYeelllloow w SSeevveerre e lloosss s oof f ddaatta a ffrroom m tthhe e EECCMM. . PPoossssiibblle e nno o nnoottiicceeaabblle e ppeerrffoorrmmaanncce e eeffffeeccttss
OR engine dying OR hard startiOR engine dying OR hard starting. ng. Fault infoFault infor-r-
mation, trip information, and maintenancemation, trip information, and maintenance
monitor data may be inaccurate.monitor data may be inaccurate.
33443 3 - - YYeelllloow w IInntteerrnnaal l EECCM M eerrrroorr. . PPoossssiibblle e nnoonne e oon n ppeerrffoorrmmaanncce e oor r sseevveerree
derate.derate.
34349 9 - - YYelelllow ow A A ffrreqequeuencncy y grgreaeatter er ththan an cacalliibrbratated ed ththrreseshoholldd
was detected at the tailshaft governor signal ofwas detected at the tailshaft governor signal of
the 31-pin OEM connector.the 31-pin OEM connector.
Calibration dependent power and speedCalibration dependent power and speed
derate.derate.
33552 2 - - YYeelllloow w LLoow w vovollttaagge e ddeetteecctteed d oon n tthhe e EECM CM vvoollttaaggee
supply line to some sensors (VSEN1 supply).supply line to some sensors (VSEN1 supply).
The engine is derated to no air setting.The engine is derated to no air setting.
33886 6 - - YYeelllloow w HiHiggh h vvoollttaagge e ddeetteectcteed d oon n tthhe e EECM CM vvoollttaaggee
supply line to some sensors (VSEN1 supply).supply line to some sensors (VSEN1 supply).
The engine is derated to no air setting.The engine is derated to no air setting.
33887 7 - - YYeelllloow w HiHiggh h vvoollttaagge e ddeetteectcteed d oon n tthhe e EECM CM vvoollttaaggee
supply line to the throttle(s) (VTP supply).supply line to the throttle(s) (VTP supply).
The engine will only idle.The engine will only idle.
44115 5 - - RReed d OOiil l pprreessssuurre e ssiiggnnaal l iinnddiiccaattees s ooiil l pprreessssuurre e iiss
below the very low oil pressure engine protec-below the very low oil pressure engine protec-
tion limit.tion limit.
Progressive power derate with increasing timeProgressive power derate with increasing time
from alerfrom alert. t. Engine wilEngine will shut down 30 secondsl shut down 30 seconds
after red light starts flashing.after red light starts flashing.
44118 8 - - BBlluue e WWaatteer r hhaas s bbeeen en ddeteteectcteed d iin n tthhe e ffuueel l ffiilltteerr. . PoPosssisibblle e whwhiitte e ssmmookeke, , llooss ss oof f ppoowewerr, , oor r hharardd
starting.starting.
44119 9 - - YYeelllloow w AAn n eerrrror or iin n tthhe e iinnttaake ke mmaaniniffolold d pprreessssuurre e sesenn--
sor signal was detected by the ECM.sor signal was detected by the ECM.
The engine is derated to no air setting.The engine is derated to no air setting.
422 - Yellow422 - Yellow Voltage Voltage detected detected simultaneously simultaneously on on both both thethe
coolant level high and low signal circuits ORcoolant level high and low signal circuits OR
no voltage detected on both circuits.no voltage detected on both circuits.
Engine will shut down 30 seconds after redEngine will shut down 30 seconds after red
light starlight starts flashingts flashing. . DisconnDisconnected or looseected or loose
plug at coolant sensor, defective coolant sen-plug at coolant sensor, defective coolant sen-
sor, or loose or broken wire between sensorsor, or loose or broken wire between sensor
and ECM.and ECM.
44226 6 - - NNoonne e CCoommmmuunniiccaattiioon n bbeettwweeeen n tthhe e EECCM M aannd d tthhee
J1939 data link has been lost.J1939 data link has been lost.
None on perforNone on performance. mance. J1939 deviJ1939 devices mayces may
not operate.not operate.
42428 8 - - YYelelllow ow HiHigh gh vovolltatage ge dedettececteted d at at wawateterr--iin-n-ffueuel l sesensnsoror. . NoNone ne on on peperfrforormamancnce.e.
42429 9 - - YYelelllow ow LoLow w vovolltatage ge dedetetectcted ed at at wawatterer--iin-n-fufuel el sesensnsoror. . NoNone ne on on peperfrforormamancnce.e.
431 - Yellow431 - Yellow Voltage Voltage detected detected simultaneously simultaneously on on both both thethe
idle validation off-idle and on-idle circuits.idle validation off-idle and on-idle circuits.
None on performance.None on performance.
432 - Red432 - Red Voltage Voltage detected detected at at idle idle validation validation on-idle on-idle cir-cir-
cuit when voltage at throttle position circuitcuit when voltage at throttle position circuit
indicates the pedal is not at idle OR voltageindicates the pedal is not at idle OR voltage
detected at idle validation off-idle circuit whendetected at idle validation off-idle circuit when
voltage at throttle position circuit indicates thevoltage at throttle position circuit indicates the
pedal is at idle.pedal is at idle.
The engine will only idle.The engine will only idle.
43433 3 - - YYelelllow ow VVololttagage e sisigngnal al at at iintntakake e mamaniniffolold d prpresessusure re cicirr--
cuit indicates high intake manifold pressurecuit indicates high intake manifold pressure
but other engine characteristics indicate intakebut other engine characteristics indicate intake
manifold pressure must be low.manifold pressure must be low.
Derate to no air setting.Derate to no air setting.
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