214733 494 Revision A
J1939
SPN
J1939
FMI
Telltale
Lamp
Cummins
Fault Code
J1939_SPN Description
Detail
5394 2
Check
Engine
None 3755
Aftertreatment Diesel
Exhaust Fluid Dosing Valve
Aftertreatment Diesel Exhaust
Fluid Dosing Valve - Data is
erratic, intermittent, or incorrect
5394
5
Check
Engine
Amber
3567
Aftertreatment Diesel
Exhaust Fluid Dosing Valve
Aftertreatment Diesel Exhaust
Fluid Dosing Valve - Current
below normal or open circuit
5394
7
Check
Engine
Amber
3568
Aftertreatment Diesel
Exhaust Fluid Dosing Valve
Aftertreatment Diesel Exhaust
Fluid Dosing Valve - Mechanical
system not responding or out of
adjustment
5484 3
Check
Engine
None 6456
Engine Fan Clutch 2 Output
Device Driver
Engine Fan Clutch 2 Control
Circuit - Voltage above normal, or
shorted to high source
5484
4
Check
Engine
None
6457
Engine Fan Clutch 2 Output
Device Driver
Engine Fan Clutch 2 Control
Circuit - Voltage below normal, or
shorted to low source
5491 3
Check
Engine
None
6477
Aftertreatment 1 Diesel
Exhaust Fluid Line
Heater Relay
Aftertreatment Diesel Exhaust
Fluid Line Heater Relay - Voltage
above normal, or shorted to
high source
5491
4
Check
Engine
None
6478
Aftertreatment 1 Diesel
Exhaust Fluid Line
Heater Relay
Aftertreatment Diesel Exhaust
Fluid Line Heater Relay - Voltage
below normal, or shorted to low
source
5491
7
Check
Engine
None
6537
Aftertreatment 1 Diesel
Exhaust Fluid Line
Heater Relay
Aftertreatment 1 Diesel Exhaust
Fluid Line Heater Relay -
Mechanical system not
responding or out of adjustment
5571 0
Check
Engine
Amber
3741
High-Pressure Common
Rail Fuel Pressure
Relief Valve
High-Pressure Common Rail Fuel
Pressure Relief Valve - Data valid
but above normal
operational range
5571
7
Check
Engine
None 3727
High-Pressure Common
Rail Fuel Pressure
Relief Valve
High-Pressure Common Rail Fuel
Pressure Relief Valve -
Mechanical system not
responding or out of adjustment
5571 15
Check
Engine
Amber
5585
High-Pressure Common
Rail Fuel Pressure
Relief Valve
High-Pressure Common Rail Fuel
Pressure Relief Valve - Data valid
but above normal operating
range - Least Severe Level
5742 12
Check
Engine
Amber
4158
Aftertreatment Diesel
Particulate Filter
Temperature
Sensor Module
Aftertreatment Diesel Particulate
Filter Temperature Sensor
Module - Bad intelligent device or
component
5743 3
Check
Engine
Amber
4164
Aftertreatment Selective
Catalytic Reduction
Aftertreatment Selective Catalytic
Reduction Temperature Sensor
REFERENCE