215916 569 Revision A
J1939
SPN
J1939
FMI
Telltale
Lamp
Cummins
Fault Code
J1939_SPN
Description
Detail
4376 4
Check
Engine
Amber
3578
Aftertreatment 1 Diesel
Exhaust Fluid Return Valve
Aftertreatment Diesel Exhaust
Fluid Return Valve - Voltage
below normal, or shorted to
low source
4376 7
Check
Engine
None 6527
Aftertreatment 1 Diesel
Exhaust Fluid Return Valve
Aftertreatment Diesel Exhaust
Fluid Return Valve - Mechanical
system not responding or out
of adjust
4765
2
Check
Engine
None 6539
Aftertreatment Diesel
Oxidation Catalyst Intake
Temperature
Aftertreatment 1 Diesel Oxidation
Catalyst Intake Temperature -
Data is erratic, intermittent, or
incorrect
4765 3
Check
Engine
Amber
3314
Aftertreatment Diesel
Oxidation Catalyst Intake
Temperature
Aftertreatment 1 Diesel Oxidation
Catalyst Intake Temperature
Sensor Circuit - Voltage above
normal, or shorted to high source
4765 4
Check
Engine
Amber
3313
Aftertreatment Diesel
Oxidation Catalyst Intake
Temperature
Aftertreatment 1 Diesel Oxidation
Catalyst Intake Temperature
Sensor Circuit - Voltage below
normal, or shorted to low source
4765 16
Stop
Engine
Red
3251
Aftertreatment Diesel
Oxidation Catalyst Intake
Temperature
Aftertreatment 1 Diesel Oxidation
Catalyst Intake Temperature -
Data valid but above normal
operating range
4766 0
Stop
Engine
Red
5387
Aftertreatment 1 Diesel
Oxidation Catalyst Outlet
Gas Temperature
Aftertreatment 1 Diesel Oxidation
Catalyst Outlet Gas Temperature -
Data valid but above normal
operating range - Most
Severe Level
4766
2
Check
Engine
Amber
5386
Aftertreatment 1 Diesel
Oxidation Catalyst Outlet
Gas Temperature
Aftertreatment 1 Diesel Oxidation
Catalyst Outlet Gas Temperature -
Data is erratic, intermittent, or
Incorrect
4766 3
Check
Engine
Amber
4533
Aftertreatment 1 Diesel
Oxidation Catalyst Outlet
Gas Temperature Sensor
Circuit
Aftertreatment 1 Diesel Oxidation
Catalyst Outlet Gas Temperature
Sensor Circuit - Voltage above
normal, or shorted to high source
4766 4
Check
Engine
Amber
4534
Aftertreatment 1 Diesel
Oxidation Catalyst Outlet
Gas Temperature Sensor
Circuit
Aftertreatment 1 Diesel Oxidation
Catalyst Outlet Gas Temperature
Sensor Circuit - Voltage below
normal, or shorted to low source
4766 15
Check
Engine
Amber
5389
Aftertreatment 1 Diesel
Oxidation Catalyst Outlet
Gas Temperature
Aftertreatment 1 Diesel Oxidation
Catalyst Outlet Gas Temperature -
Data valid but above normal
operating range - Least
Severe Level
REFERENCE