CUMMINS ENGINE FAULT CODES
6-3
334 110 2 Coolant Temperature Sensor Circuit ñ Data Erratic, Intermittent, or
Incorrect
2963 110 15 Engine Coolant Temperature High - Data Valid but Above Normal
Operational Range - Least Severe Level
195 111 3 Coolant Level Sensor Circuit - Voltage Above Normal, or Shorted to
High Source
196 111 4 Coolant Level Sensor Circuit - Voltage Below Normal, or Shorted to
Low Source
197 111 18 Operational Range - Moderately Severe Level
235 111 1 Operational Range - Most Severe Level
422 111 2 Coolant Level - Data Erratic, Intermittent, or Incorrect
449 157 0 Fuel Pressure High - Data Valid but Above Normal Operational Range
ñ Moderately Severe Level
451 157 3 Injector Metering Rail #1 Pressure Sensor Circuit - Voltage Above Nor-
mal, or Shorted to High Source
452 157 4 Injector Metering Rail #1 Pressure Sensor Circuit - Voltage Below Nor-
mal, or Shorted to Low Source
553 157 16 Injector Metering Rail #1 Pressure High ñ Data Valid but Above Normal
Operational Range - Moderately Severe Level
554 157 2 Fuel Pressure Sensor Error - Data Erratic, Intermittent, or Incorrect
559 157 18 Injector Metering Rail #1 Pressure Low ñ Data Valid but Below Normal
Operational Range - Moderately Severe Level
1911 157 0 Injector Metering Rail 1 Pressure - Data Valid but Above Normal Oper-
ational Range - Most Severe Level
2249 157 1 Injector Metering Rail 1 Pressure - Data Valid but Below Normal Oper-
ational Range - Most Severe Level
951 166 2 Cylinder Power Imbalance Between Cylinders - Data Erratic, Intermit-
tent, or Incorrect
596 167 16 Electrical Charging System Voltage High ñ Data Valid but Above Nor-
mal Operational Range - Moderately Severe Level
597 167 18 Electrical Charging System Voltage Low ñ Data Valid but Below Nor-
mal Operational Range - Moderately Severe Level
598 167 1 Electrical Charging System Voltage Low ñ Data Valid but Below Nor-
mal Operational Range - Most Severe Level
441 168 18 Battery #1 Voltage Low - Data Valid but Below Normal Operational
Range ñ Moderately Severe Level
442 168 16 Battery #1 Voltage High - Data Valid but Above Normal Operational
Range ñ Moderately Severe Level
249 171 3 Ambient Air Temperature Sensor Circuit - Voltage Above Normal, or
Shorted to High Source
Cummins
Fault Code
These codes
will display on
the console
Cummins Description
J1939
SPN
J1939
FMI
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