Fault
SPN
FMI
Code
4281
5848
2
4284
5793
9
4286
520595
3
4287
520595
4
4288
520595
2
4293
5097
3
4294
5097
4
4437
1668
2
4449
5747
10
4451
5741
2
4452
520668
31
4453
520669
31
4454
5302
18
4485
5838
31
4486
5839
31
4487
5840
31
4488
5841
31
Diesel Engine Failure-Codes chart
SPN
Lamp
Description
Aftertreatment 1
Amber
SCR Intermediate
NH3
Amber
Amber
Amber
Amber
Engine Brake
Amber
Active Lamp Data
Engine Brake
Amber
Active Lamp Data
None
Amber
Amber
Amber
Amber
Amber
Amber
Amber
Amber
Amber
Cumins Description
Aftertreatment 1 SCR Intermediate
NH3 - Data erratic, intermittent or incorrect
Desired Engine Fueling State -
Abnormal Update Rate
Closed Crankcase Ventilation
System Pressure Sensor - Voltage
Above Normal, or Shorted to High
Source
Closed Crankcase Ventilation
System Pressure Sensor - Voltage below normal, or shorted to low
source
Closed Crankcase Ventilation
System Pressure - Data erratic, intermittent or incorrect
Engine Brake Active Lamp - Voltage
Above Normal, or Shorted to High
Source
Engine Brake Active Lamp - Voltage
below normal, or shorted to low source
J1939 Network #4 - Data erratic,
intermittent or incorrect
Aftertreatment 1 Outlet Soot Sensor
Heater - Abnormal rate of change
Aftertreatment 1 Outlet Soot - Data
erratic, intermittent or incorrect
Aftertreatment 1 Outlet NOx Sensor
Closed Loop Operation - Condition
Exists
Aftertreatment 1 Outlet NH3 Sensor
Closed Loop Operation - Condition
Exists
Aftertreatment 1 Post SCR NH3
Conversion Efficiency - Data Valid
But Below Normal Operating Range
-
EGR Valve Malfunction - Condition
Exists
Diesel Exhaust Fluid Consumption
Malfunction - Condition Exists
Diesel Exhaust Fluid Dosing
Malfunction - Condition Exists
Diesel Exhaust Fluid Quality
Malfunction - Condition Exists
D 22 87