47
S06
INSTRUMENTATION
SPN SPN Name
SPN Description
4427 Aftertreatment 2 Diesel Exhaust Fluid
Tank Temperature
Temperature of the diesel exhaust fluid in the storage tank.
4782 Diesel Particulate Filter 1 Soot
Density
Soot density in diesel particulate filter 1.
4809 Aftertreatment 1 Warm Up Diesel
Oxidation Catalyst Intake temperature
The temperature measured at the intake of the warm up oxidation catalytic
converter in exhaust bank 1.
4810 Aftertreatment 1 Warm Up Diesel
Oxidation Catalyst Outlet Temperature
The temperature measured at the outlet of the warm up oxidation catalytic
converter in exhaust bank 1.
4814 Engine Coolant Pump command
Command for a coolant pump that can be driven at varying output level.
5264 Engine Exhaust Gas Recirculation 2
(EGR2) Valve Control
Desired percentage of maximum Exhaust Gas Recirculation 2 (EGR2) valve
opening. 0% means the valve is closed. 100% means maximum opening (full gas
flow).
5265 Engine Exhaust Gas Recirculation 2
(EGR2) Valve 2 Control
Desired percentage of maximum Exhaust Gas Recirculation 2 (EGR2) valve 2
opening. 0% means the valve is closed. 100% means maximum opening (full gas
flow).
5285
Engine Charge Air Cooler 1 Efficiency
An indication of the CAC’s ability to reduce the temperature of the combustion air
that is being routed through the CAC1.
5401 Engine Turbocharger Turbine Bypass
Actuator
Diagnostic SPN for the actuator controlling the engine turbocharger turbine
bypass valve.
5419 Engine Throttle Actuator 1
Device used to control the flow of air or air/fuel mix to the engine.
5421 Engine Turbocharger Wastegate
Actuator 1
Device used to control the turbocharger wastegate.
5435 Aftertreatment 1 Diesel Exhaust Fluid
Pump State
State of Aftertreatment 1 Diesel Exhaust Fluid dosing pump.
5485 Aftertreatment 1 Diesel Exhaust Fluid
Pump Orifice Flow
The Exhaust Emission Controller aftertreatment reagent pump orifice flow. Could
indicate that the flow is being restricted.
5541 Engine Turbocharger 1 Turbine Outlet
Pressure
Gage pressure of the combustion by-products exiting the turbine side of the
turbocharger 1.
5543 Engine Exhaust Brake Actuator
Command
The control command applied to the engine exhaust brake actuator.
5706 Aftertreatment 1 Diesel Exhaust Fluid
Pump Heater
Percentage of heating applied to the aftertreatment 1 diesel exhaust fluid pump
heater.
5743
Aftertreatment Selective Catalytic
Reduction Temperature Sensor
Module
Module will take temperature sensor inputs from the Aftertreatment Selective
Catalytic Reduction Temperature Sensors and multiplex the sensor values to the
engine ECU via the J1939 network.
5745 Aftertreatment 1 Diesel Exhaust Fluid
Dosing Unit Heater
Aftertreatment DEF heater internal to the Aftertreatment Dosing Unit.
5841 Diesel Exhaust Fluid Quality
Malfunction
The diagnostic system has determined that the engine has been operated with a
diesel exhaust fluid (reagent) quality malfunction.
7461 Aftertreatment 1 Diesel Exhaust Fluid
Pump 2 Motor Speed
Rotational speed of the motor driving a pump for diesel exhaust fluid used in an
aftertreatment system.
End of SPN codes table.
Summary of Contents for N16.1000 CR3
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