Operation Section
-165-
DIAGNOSTIC TROUBLE CODE (DTC) CHART – SORTED BY SPN:FMI (4 of 4)
Description
DTC Set 2
SPN-2 FMI-2
DTC 188: Gaseous fuel tem
erature sender hi
h volta
e 520240 3
DTC 187: Gaseous fuel temperature sender low voltage 520240 4
DTC 331: Knock2 excessive or erratic si
nal 520241 2
DTC 332: Knock2 sensor open or not present 520241 4
DTC 2120: FPP1 invalid voltage and FPP2 disagrees 520250 31
DTC 2125: FPP2 invalid voltage and FPP1 disagrees 520250 31
DTC 1122: FPP1/2 do not match each other or IVS
520250 31
DTC 223: TPS2 voltage high 520251 3
DTC 222: TPS2 volta
e low 520251 4
DTC 509: IAC coil open/short 520252 5
DTC 508: IAC ground short 520252 6
DTC 1171: MegaJector delivery pressure higher than 520260 0
DTC 1172: Me
aJector deliver
ressure lower than 520260 1
DTC 1174: MegaJector voltage supply high 520260 3
DTC 1175: MegaJector voltage supply low 520260 4
DTC 1176: MegaJector internal actuator fault detection 520260 12
DTC 1177: MegaJector internal circuitry fault detection 520260 12
DTC 1178: MegaJector internal comm fault detection 520260 12
DTC 1173: MegaJector comm lost 520260 31
DTC 1531: Gov1/2/3 interlock failure 520270 31
DTC 1182: Fuel impurity level high 520401 0
DTC 11: Intake cam / distributor position error 520800 7
DTC 24: Exhaust cam position error 520801 7
DTC 1183: Me
aJector autozero / lockoff failure 520803 31
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