Fault
SPN
FMI
Code
4251
5798
10
4252
1081
31
4253
5797
12
4254
5797
3
4255
5797
4
4256
5797
16
4258
5797
11
4259
5742
11
4261
5743
11
4262
5571
3
4263
5571
4
4265
5571
11
4277
3364
10
4278
5848
20
4279
5848
21
D 22 86
Diesel Engine Failure-Codes chart
SPN
Lamp
Description
Amber
Engine Wait to
Amber
Start Lamp
Amber
Amber
Amber
Amber
Amber
Amber
Amber
High Pressure
Common Rail
Amber
Fuel Pressure
Relief Valve
High Pressure
Common Rail
Amber
Fuel Pressure
Relief Valve
High Pressure
Common Rail
Amber
Fuel Pressure
Relief Valve
Aftertreatment 1
Diesel Exhaust
Amber
Fluid Tank 1
Quality
Aftertreatment 1
Amber
SCR Intermediate
NH3
Aftertreatment 1
Amber
SCR Intermediate
NH3
Cumins Description
Aftertreatment 1 Diesel Exhaust
Fluid Dosing Unit Heater
Temperature - Abnormal Rate of
Change
Engine Wait to Start Lamp -
Condition Exists
Aftertreatment Warm Up Diesel
Oxidation Catalyst Temperature
Sensor Module - Bad intelligent device
Aftertreatment Warm Up Diesel
Oxidation Catalyst Temperature Sensor Module - Voltage Above Nor-
mal, or shorted to high source
Aftertreatment Warm Up Diesel
Oxidation Catalyst Temperature Sensor Module - Voltage below nor-
mal, or shorted to low source
Aftertreatment Warm Up Diesel
Oxidation Catalyst Temperature Sensor Module - Data Valid But
Above Normal Operating Range – Moderately Severe Level
Aftertreatment Warm Up Diesel
Oxidation Catalyst Temperature
Sensor Module - Root Cause Not
Known
Aftertreatment Diesel Particulate
Filter Temperature Sensor Module - Root Cause Not Known
Aftertreatment Selective Catalytic
Reduction Temperature Sensor
Module - Root Cause Not Known
High Pressure Common Rail Fuel
Pressure Relief Valve - Voltage
Above Normal, or Shorted to High
Source
High Pressure Common Rail Fuel
Pressure Relief Valve - Voltage below normal, or shorted to low
source
High Pressure Common Rail Fuel Pressure Relief Valve - Root Cause
Not Known
Aftertreatment Diesel Exhaust Fluid
Quality - Abnormal Rate of Change
Aftertreatment 1 SCR Intermediate
NH3 - Data not Rational - Drifted High
Aftertreatment 1 SCR Intermediate
NH3 - Data not Rational - Drifted Low