User Manual

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TYPE SPN FMI
En-
gine
Ma-
chine
type
Description
ECM 4374 0 S E Reductant pump fault, pump speed too
high
ECM 4374 0 S L Reductant pump fault, pump speed too
high
ECM 4374 1 S E Reductant pump fault, pump speed too
low
ECM 4374 1 S L Reductant pump fault, pump speed too
low
ECM 4374 16 S E The reductant pump needs to run more
slowly than expected to maintain the cor-
rect reductant pressure.
ECM 4374 16 S L The reductant pump needs to run more
slowly than expected to maintain the cor-
rect reductant pressure.
ECM 4374 17 S E The reductant pump needs to run more
quickly than expected to maintain the
correct reductant pressure.
ECM 4374 17 S L The reductant pump needs to run more
quickly than expected to maintain the
correct reductant pressure.
ECM 4374 2 S E The EEC control unit for exhaust gas af-
tertreatment does not receive a signal
from the reductant pump about the cur-
rent rotational speed.
ECM 4374 2 S L The EEC control unit for exhaust gas af-
tertreatment does not receive a signal
from the reductant pump about the cur-
rent rotational speed.
ECM 4374 3 C E Aftertreatment 1 Diesel Exhaust Fluid
Pump 1 Motor Speed Circuit - Voltage
Above Normal or Shorted to High
Source
ECM 4374 3 C L Aftertreatment 1 Diesel Exhaust Fluid
Pump 1 Motor Speed Circuit - Voltage
Above Normal or Shorted to High
Source
ECM 4374 4 C E Aftertreatment 1 Diesel Exhaust Fluid
Pump 1 Motor Speed Circuit - Voltage
Below Normal or Shorted to Low Source
ECM 4374 4 C L Aftertreatment 1 Diesel Exhaust Fluid
Pump 1 Motor Speed Circuit - Voltage
Below Normal or Shorted to Low Source
ECM 4374 4 S E Short circuit to ground in the voltage
supply circuit for the reductant pump.
ECM 4374 4 S L Short circuit to ground in the voltage
supply circuit for the reductant pump.
ECM 4374 5 C E Aftertreatment 1 Diesel Exhaust Fluid
Pump 1 Motor Speed Circuit - Current
Below Normal or Open Circuit
ECM 4374 5 C L Aftertreatment 1 Diesel Exhaust Fluid
Pump 1 Motor Speed Circuit - Current
Below Normal or Open Circuit
ECM 4374 5 P E Aftertreatment #1 DEF Pump #1 Motor
Speed : Current Below Normal
ECM 4374 5 P L Aftertreatment #1 DEF Pump #1 Motor
Speed : Current Below Normal
ECM 4374 5 S E Fault in the reductant pump control and
voltage supply circuit.
ECM 4374 5 S L Fault in the reductant pump control and
voltage supply circuit.
ECM 4374 6 P E Aftertreatment #1 DEF Pump #1 Motor
Speed : Current Above Normal
ECM 4374 6 P L Aftertreatment #1 DEF Pump #1 Motor
Speed : Current Above Normal
ECM 4374 6 S E Fault in the reductant pump voltage sup-
ply circuit.
ECM 4374 6 S L Fault in the reductant pump voltage sup-
ply circuit.
ECM 4374 7 S E The reductant pressure does not in-
crease and the reductant pump rotation-
al speed sensor indicates too low a val-
ue.
continued..........
...........continued
TYPE SPN FMI
En-
gine
Ma-
chine
type
Description
ECM 4374 7 S L The reductant pressure does not in-
crease and the reductant pump rotation-
al speed sensor indicates too low a val-
ue.
ECM 4374 0 S F Reductant pump fault, pump speed too
high
ECM 4374 1 S F Reductant pump fault, pump speed too
low
ECM 4374 16 S F Reductant pump speed
ECM 4374 17 S F Reductant pump speed
ECM 4374 2 S F Reductant pump no contact with EEC
ECM 4374 3 S F Rotational speed of the motor driving a
pump for reagent used in an aftertreat-
ment system.
ECM 4374 4 S F Reductant pump voltage supply
ECM 4374 5 S F Reductant pump voltage supply
ECM 4374 6 S F Reductant pump voltage supply
ECM 4374 7 S F Reductant circuit pressure
ECM 4375 3 C E Aftertreatment 1 Diesel Exhaust Fluid
Pump Command Circuit - Voltage Above
Normal or Shorted to High Source
ECM 4375 3 C L Aftertreatment 1 Diesel Exhaust Fluid
Pump Command Circuit - Voltage Above
Normal or Shorted to High Source
ECM 4375 4 C E Aftertreatment 1 Diesel Exhaust Fluid
Pump Command Circuit - Voltage Below
Normal or Shorted to Low Source
ECM 4375 4 C L Aftertreatment 1 Diesel Exhaust Fluid
Pump Command Circuit - Voltage Below
Normal or Shorted to Low Source
ECM 4376 3 C F Aftertreatment Diesel Exhaust Fluid Re-
turn Valve - Voltage above normal, or
shorted to high source
ECM 4376 4 C F Aftertreatment Diesel Exhaust Fluid Re-
turn Valve - Voltage below normal, or
shorted to low source
ECM 4376 7 C F Aftertreatment Diesel Exhaust Fluid Re-
turn Valve - Mechanical system not re-
sponding or out of adjust
ECM 4376 3 C E Aftertreatment Diesel Exhaust Fluid Re-
turn Valve - Voltage above normal, or
shorted to high source
ECM 4376 3 C L Aftertreatment Diesel Exhaust Fluid Re-
turn Valve - Voltage above normal, or
shorted to high source
ECM 4376 4 C E Aftertreatment Diesel Exhaust Fluid Re-
turn Valve - Voltage below normal, or
shorted to low source
ECM 4376 4 C L Aftertreatment Diesel Exhaust Fluid Re-
turn Valve - Voltage below normal, or
shorted to low source
ECM 4376 7 C E Aftertreatment Diesel Exhaust Fluid Re-
turn Valve - Mechanical system not re-
sponding or out of adjust
ECM 4376 7 C L Aftertreatment Diesel Exhaust Fluid Re-
turn Valve - Mechanical system not re-
sponding or out of adjust
ECM 4377 12 P E Aftertreatment #1 Outlet NH3 : Failure
ECM 4377 12 P L Aftertreatment #1 Outlet NH3 : Failure
ECM 4380 2 P E Aftertreatment 1 Outlet NH3 Gas Sensor
Power In Range : Erratic, Intermittent, or
Incorrect
ECM 4380 2 P L Aftertreatment 1 Outlet NH3 Gas Sensor
Power In Range : Erratic, Intermittent, or
Incorrect
ECM 441 3 C F Auxiliary Temperature Sensor Input # 1
Circuit - Voltage Above Normal, or Shor-
ted to High Source
continued..........
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5 SPN 4~