User Manual
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TYPE SPN FMI
En-
gine
Ma-
chine
type
Description
ECM 630 2 P L Calibration Memory: Erratic, In-
termittent, or Incorrect
ECM 630 31 C F Calibration Memory : ECM Pro-
gram Memory (RAM) Corruption
Condition Exists
ECM 6301 3 C F Water in Fuel Indicator 2 Sensor
Circuit - Voltage above normal,
or shorted to high source
ECM 6301 4 C F Water in Fuel Indicator 2 Sensor
Circuit - Voltage below normal,
or shorted to low source
ECM 6301 3 C E Water in Fuel Indicator 2 Sensor
Circuit - Voltage above normal,
or shorted to high source
ECM 6301 3 C L Water in Fuel Indicator 2 Sensor
Circuit - Voltage above normal,
or shorted to high source
ECM 6301 4 C E Water in Fuel Indicator 2 Sensor
Circuit - Voltage below normal,
or shorted to low source
ECM 6301 4 C L Water in Fuel Indicator 2 Sensor
Circuit - Voltage below normal,
or shorted to low source
ECM 6309 5 P E Aftertreatment 1 Diesel Exhaust
Fluid Control Module Power
Supply 2 : Current Below Nor-
mal
ECM 6309 5 P L Aftertreatment 1 Diesel Exhaust
Fluid Control Module Power
Supply 2 : Current Below Nor-
mal
ECM 6309 6 P E Aftertreatment 1 Diesel Exhaust
Fluid Control Module Power
Supply 2 : Current Above Nor-
mal
ECM 6309 6 P L Aftertreatment 1 Diesel Exhaust
Fluid Control Module Power
Supply 2 : Current Above Nor-
mal
ECM 631 2 P E Calibration Module : Erratic, In-
termittent, or Incorrect
ECM 631 2 P L Calibration Module : Erratic, In-
termittent, or Incorrect
ECM 632 4 C F Less than Positive (+) 6 VDC
detected at fuel shutoff circuit or
an excessive current draw from
the electronic control module
(ECM) or faulty ECM output cir-
cuit.
ECM
632 7 C F Fuel Shutoff Valve - stuck open
ECM 632 4 C E Less than Positive (+) 6 VDC
detected at fuel shutoff circuit or
an excessive current draw from
the electronic control module
(ECM) or faulty ECM output cir-
cuit.
ECM
632 4 C L Less than Positive (+) 6 VDC
detected at fuel shutoff circuit or
an excessive current draw from
the electronic control module
(ECM) or faulty ECM output cir-
cuit.
ECM
632 7 C E Fuel Shutoff Valve - stuck open
ECM 632 7 C L Fuel Shutoff Valve - stuck open
ECM 632 11 C F Fuel Shutoff Valve Supply Volt-
age error
ECM 632 3 C E Fuel Shutoff Valve Circuit -
shorted high
ECM 632 3 C F Fuel Shutoff Valve Circuit -
shorted high
ECM 632 3 C L Fuel Shutoff Valve Circuit -
shorted high
ECM 6326 18 C E Aftertreatment 1 Diesel Exhaust
Fluid Dosing Valve 1 Heater -
continued..........
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TYPE SPN FMI
En-
gine
Ma-
chine
type
Description
Data Valid But Below Normal
Operating Range - Moderately
Severe Level
ECM 6326 18 C L Aftertreatment 1 Diesel Exhaust
Fluid Dosing Valve 1 Heater -
Data Valid But Below Normal
Operating Range - Moderately
Severe Level
ECM 6326 3 C E Aftertreatment 1 Diesel Exhaust
Fluid Dosing Valve 1 Heater -
Voltage Above Normal, or Shor-
ted to High Source
ECM 6326 3 C L Aftertreatment 1 Diesel Exhaust
Fluid Dosing Valve 1 Heater -
Voltage Above Normal, or Shor-
ted to High Source
ECM 6326 4 C E Aftertreatment 1 Diesel Exhaust
Fluid Dosing Valve 1 Heater -
Voltage Below Normal, or Shor-
ted to Low Source
ECM 6326 4 C L Aftertreatment 1 Diesel Exhaust
Fluid Dosing Valve 1 Heater -
Voltage Below Normal, or Shor-
ted to Low Source
ECM 633 3 Y E SCV (MPROP) H side VB short
circuit
ECM 633 3 Y L SCV (MPROP) H side VB short
circuit
ECM 633 5 Y E SCV (MPROP) disconnection
ECM 633 5 Y L SCV (MPROP) disconnection
ECM 633 6 Y E SCV (MPROP) H side GND
short circuit
ECM 633 6 Y L SCV (MPROP) H side GND
short circuit
ECM 633 11 C F Open circuit detected at the
transient suppressor in the in-
jection control valve circuit in the
engine harness.
ECM 633 2 C F Fuel Rail Actuator Circuit - data
incorrect
ECM 633 3 C F Fuel Injection Control Valve Cir-
cuit - shorted high
ECM 633 31 C E Electronic Fuel Injection Control
Valve Circuit - Condition Exists
ECM 633 31 C F Fuel Control Valve #1 : Fueling
Actuator #1 Circuit Error - Con-
dition Exists
ECM 633 31 C L Electronic Fuel Injection Control
Valve Circuit - Condition Exists
ECM 633 4 C F Fuel Injection Control Valve Cir-
cuit - shorted low
ECM 633 5 C F Fueling Actuator #1 Circuit -
open circuit
ECM 633 6 C F Fueling Actuator #1 Circuit -
grounded circuit
ECM 633 7 C F Engine ECM has detected a fail-
ure in the injection control valve.
ECM 635 7 C F Engine Timing Actuator is not
responding to ECM commands
ECM 635 2 C F Timing Rail Actuator Circuit -
data incorrect
ECM 635 3 C F Engine Timing Actuator Circuit -
shorted high
ECM 635 4 C F Engine Timing Actuator Circuit -
shorted low
ECM 635 5 C F Timing Actuator #1 Circuit -
open circuit
ECM 635 6 C F Timing Actuator #1 Circuit -
grounded circuit
ECM 636 3 S E Camshaft position sensor, short
circuit to +24V
continued..........
101
7 SPN 6~