Fault
SPN
FMI
Code
1556
665
5
1557
666
5
1621
1387
4
1622
659
5
1654
1323
31
1655
1324
31
1656
1325
31
1657
1326
31
1658
1327
31
1659
1328
31
1664
4796
31
1668
1761
4
1669
1761
3
1673
1761
1
1677
3031
4
1678
3031
3
1679
3031
2
1682
3362
31
D 22 62
Diesel Engine Failure-Codes chart
SPN
Lamp
Description
Engine Injector
Amber
Cylinder #15
Engine Injector
Amber
Cylinder #16
Auxiliary
Amber
Engine Injector
Cylinder #9
Engine Misfire
Amber
Cylinder #1
Engine Misfire
Amber
Cylinder #2
Engine Misfire
Amber
Cylinder #3
Engine Misfire
Amber
Cylinder #4
Engine Misfire
Amber
Cylinder #5
Engine Misfire
Amber
Cylinder #6
Amber
Catalyst Missing
Fluid Tank Level
Amber
Diesel Exhaust
Fluid Tank Level
Aftertreatment 1
Aftertreatment 1
Amber
Temperature
Aftertreatment 1
Diesel Exhaust
Amber
Fluid Dosing Unit
Input Lines
Cumins Description
Injector Solenoid Driver Cylinder 15
Circuit - Current below normal or open circuit
Injector Solenoid Driver Cylinder 16
Circuit - Current below normal or open circuit
Auxiliary Pressure Sensor Input 1
Injector Solenoid Driver Cylinder 9
Circuit - Current below normal or open circuit
Engine Misfire Cylinder 1 - Condition Exists
Engine Misfire Cylinder 2 - Condition Exists
Engine Misfire Cylinder 3 - Condition Exists
Engine Misfire Cylinder 4 - Condition Exists
Engine Misfire Cylinder 5 - Condition Exists
Engine Misfire Cylinder 6 - Condition Exists
Catalyst Missing - Condition Exists
Fluid Tank Level Sensor Circuit - Voltage below normal, or shorted to
Tank Level Sensor Circuit - Voltage above normal, or shorted to high
source
Aftertreatment 1 Diesel Exhaust Fluid
Tank Level - Data valid but below normal operational range -Most
Fluid Tank Temperature Sensor - Voltage below normal, or shorted to
low source
Fluid Tank Temperature Sensor - Voltage above normal, or shorted to
high source
Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature - Data
erratic, intermittent or incorrect
Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit Input Lines - Con-
dition Exists