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