1-71-7THDC / 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
11555 5 - - RReed d IInnttaakke e mmaanniiffoolld d tteemmppeerraattuurre e ssiiggnnaal l iinnddiiccaatteess
temperature is above 87.8temperature is above 87.8__C (190C (190__F).F).
Progressive power derate with increasing timeProgressive power derate with increasing time
after alerafter alert. t. If Engine ProtectIf Engine Protection Shutdown fea-ion Shutdown fea-
ture is enabled, engiture is enabled, engine will shut down 30 ne will shut down 30 sec-sec-
onds after red light starts flashing.onds after red light starts flashing.
11887 7 - - YYeelllloow w LLoow w vovollttaagge e ddeetteecctteed d oon n tthhe e EECM CM vvoollttaaggee
supply line to some sensors (VSEN2 supply).supply line to some sensors (VSEN2 supply).
The engine wilThe engine will run deratel run derated. d. No engineNo engine
protection for oil pressure and coolant level.protection for oil pressure and coolant level.
22111 1 - - NoNone ne AAddddiittiioonanal l OOEEM M oor r VVeehihicclle e ddiiagagnnoossttiic c ccooddeses
have been logghave been logged. ed. Check other ECM’Check other ECM’s fors for
diagnostic codes.diagnostic codes.
None on engine performance.None on engine performance.
22112 2 - - YYeelllloow w HiHiggh h vvoollttaagge e ddeetteectcted ed aat t tthhe e ooiil l tteemmppeerraattuurree
circuit.circuit.
No engine protection for oil temperature.No engine protection for oil temperature.
22113 3 - - YYeelllloow w LLoow w vovollttaagge e ddeetteectcteed d aat t tthe he ooiil l tteemmppeerraattururee
circuit.circuit.
No engine protection for oil temperature.No engine protection for oil temperature.
22114 4 - - RReed d OOiil l tteemmppeerraattuurre e ssiiggnnaal l iinnddiiccaattees s ooiil l tteemmppeerraa--
ture is above 123.9ture is above 123.9__C (255C (255__F).F).
Progressive power derate with increasing timeProgressive power derate with increasing time
after alerafter alert. t. If Engine ProtectIf Engine Protection Shutdown fea-ion Shutdown fea-
ture is enabled, engiture is enabled, engine will shut down 30 ne will shut down 30 sec-sec-
onds after red light starts flashing.onds after red light starts flashing.
22119 9 - - BBlluue e LLoow w ooiil l lleevveel l wwaas s ddeetteecctteed d iin n tthhe e CCeennttiinneelltt
makeup oil tank.makeup oil tank.
None on perforNone on performance. mance. CentinCentinelelttis deacti-is deacti-
vated.vated.
22221 1 - - YYeelllloow w HiHiggh h vvoollttaagge e ddeetteectcted ed at at tthhe e aammbbiieennt t aiair r pprrees-s-
sure circuit.sure circuit.
Derate in power output of Derate in power output of the engine.the engine.
22222 2 - - YYeelllloow w LLoow w vovollttaagge e ddeetteectcteed d aat t tthe he amambibieennt t aaiir r pprrees-s-
sure circuit.sure circuit.
Derate in power output of Derate in power output of the engine.the engine.
22223 3 - - YYeelllloow w IInncocorrrreecct t vvoollttaagge e ddeetteectcted ed at at tthhe e CeCennttiinneelltt
actuator circuit by the ECM.actuator circuit by the ECM.
None on perforNone on performance. mance. CentinCentinelelttis deactiva-is deactiva-
ted.ted.
22227 7 - - YYeelllloow w HiHiggh h vvoollttaagge e ddeetteectcteed d oon n tthhe e EECM CM vvoollttaaggee
supply line to some sensors (VSEN2 supply).supply line to some sensors (VSEN2 supply).
The engine wilThe engine will run deratel run derated. d. No engineNo engine
protection for oil pressure and coolant level.protection for oil pressure and coolant level.
22334 4 - - RReed d EEnnggiinne e ssppeeeed d ssiiggnnaal l iinnddiiccaattees s eennggiinne e ssppeeeed d iiss
greater than 2730 rpm.greater than 2730 rpm.
Fuel shutoff valve closes until engine speedFuel shutoff valve closes until engine speed
falls to 2184 rpm.falls to 2184 rpm.
235 - Red235 - Red Coolant Coolant level level signal signal indicates indicates coolant coolant level level isis
below the normal range.below the normal range.
Engine will shut down 30 seconds after redEngine will shut down 30 seconds after red
light starlight starts flashints flashing. g. Add coolant as requireAdd coolant as required.d.
23237 7 - - YYelelllow ow DuDuty ty cycyclcle e of of tthe he ththrorotttltle e iinpnput ut sisigngnal al to to ththe e prpri-i-
mary or secondary engine for multiple unitmary or secondary engine for multiple unit
synchronization is less than 3% or more thansynchronization is less than 3% or more than
97%.97%.
All engines All engines (primary and (primary and secondary) are secondary) are shutshut
down with increasing time after alert if hard-down with increasing time after alert if hard-
couplecoupled. d. Only secondOnly secondary enginary engines are shutes are shut
down with increasing time after alert if soft-down with increasing time after alert if soft-
coupled.coupled.
22441 1 - - YYeelllloow w TThe he ECECM M lloost st tthhe e vvehehiicclle e spspeeeed d sisiggnnaall. . EnEnggiinne e sspepeeed d lliimmiitteed d tto o MMaaxxiimmuum m EEnngiginnee
Speed without Vehicle Speed Sensor parame-Speed without Vehicle Speed Sensor parame-
ter value Cruise Control, Gear-Down Protec-ter value Cruise Control, Gear-Down Protec-
tion and Road Speed Governor will not worktion and Road Speed Governor will not work
(automotive only).(automotive only).
24242 2 - - YYelelllow ow IInvnvalaliid d or or iinanapppprropoprriiatate e vevehihiclcle e spspeeeed d sisigngnalal
detected. detected. Signal indicates Signal indicates an intermittent an intermittent con-con-
nection or VSS tampering.nection or VSS tampering.
Engine speed limited to Maximum EngineEngine speed limited to Maximum Engine
Speed without Vehicle Speed Sensor parame-Speed without Vehicle Speed Sensor parame-
ter value Cruise Control, Gear-Down Protec-ter value Cruise Control, Gear-Down Protec-
tion and Road Speed Governor will not worktion and Road Speed Governor will not work
(automotive only).(automotive only).
22445 5 - - YYeelllloow w LLeesss s tthahan n 6 6 VDVDC C ddeetteectcted ed aat t ffaan n cclluuttcch h cicirrcucuiitt
when on. when on. IndicaIndicates an excessive curretes an excessive current drawnt draw
from the ECM or faulty ECM output circuit.from the ECM or faulty ECM output circuit.
Then fan may stay on at all times.Then fan may stay on at all times.
22554 4 - - RReed d LLeesss s tthhaan n 6 6 VVDDC C ddeetteecctteed d aat t FFSSO O cciirrccuuiit t wwhheenn
on. on. IndicaIndicates an excessive curretes an excessive current draw fromnt draw from
the ECM or a faulty ECM output circuit.the ECM or a faulty ECM output circuit.
The ECM turns off the The ECM turns off the FSO supply voltage.FSO supply voltage.
The engine will shut down.The engine will shut down.
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