List of Scania DM1 fault codes

list of scania dm1 fault codes

You can find Scania fault codes in the list below. Fault codes generated in the CAN network are sent via CAN message DM1. This document describes how to interpret these fault codes from the DM1 message.

SPN: Suspect Parameter Number
FMI: Failure Mode Identifiers

SPNSPN NameSPN Description
46Pneumatic Supply PressureThe pneumatic pressure in the main reservoir, sometimes referred to as the wet tank.
51Engine Throttle Valve 1 PositionThe position of the valve used to regulate the supply of a fluid, usually air or fuel/air mixture, to an en- gine.
91Accelerator Pedal Position 1The ratio of actual position of the analogue engine speed/torque request input device (such as an accel- erator pedal or throttle lever) to the maximum position of the input device.
94Engine Fuel Delivery PressureGage pressure of fuel in system as delivered from supply pump to the injection pump.
97Water In Fuel IndicatorSignal which indicates the presence of water in the fuel.
98Engine Oil LevelRatio of current volume of engine sump oil to maximum required volume.
100Engine Oil PressureGage pressure of oil in engine lubrication system as provided by oil pump.
102Engine Intake Manifold #1 PressureThe gage pressure measurement of the air intake manifold.
103Engine Turbocharger 1 SpeedRotational velocity of rotor in the turbocharger.
105Engine Intake Manifold 1 TemperatureTemperature of pre-combustion air found in intake manifold number 1 of engine air supply system.
107Engine Air Filter 1 Differential PressureChange in engine air system pressure, measured across the filter, due to the filter and any accumulation of solid foreign matter on or in the filter.
108Barometric PressureAbsolute air pressure of the atmosphere.
110Engine Coolant TemperatureTemperature of liquid found in engine cooling system.
111Engine Coolant LevelRatio of volume of liquid found in engine cooling system to total cooling system volume.
131Engine Exhaust Back Pressure
132Engine Intake Air Mass Flow RateMass flow rate of fresh air entering the engine air intake, before any EGR mixer, if used.
156Engine Injector Timing Rail 1 PressureThe gage pressure of fuel in the timing rail delivered from the supply pump to the injector timing intake.
167Charging System Potential (Voltage)Electrical potential measured at the charging system output. The charging system may be any device charging the batteries.
168Battery Potential/Power Input 1This parameter measures the first source of battery potential as measured at the input of the ECM/actu- ator etc. coming from one or more batteries, irrespective of the distance between the component and the battery.
171Ambient Air TemperatureTemperature of air surrounding vehicle.
172Engine Air Intake TemperatureTemperature of air entering vehicle air induction system.
174Engine Fuel Temperature 1Temperature of fuel passing through the first fuel control system.
175Engine Oil Temperature 1Temperature of the engine lubricant.
188Engine Speed At Idle, Point 1 (Engine Configuration)Stationary low idle speed of engine which includes influences due to engine temperature (after power up) and other stationary changes (calibration offsets, sensor failures, etc).
190Engine SpeedActual engine speed which is calculated over a minimum crankshaft angle of 720 degrees divided by the number of cylinders.
234Software IdentificationSoftware identification of an electronic module.
532Engine Speed At High Idle, Point 6 (Engine Configuration) Engine speed of high idle of the engine torque map.
558Accelerator Pedal 1 Low Idle SwitchSwitch signal which indicates the state of the accelerator pedal 1 low idle switch.
559Accelerator Pedal Kickdown SwitchSwitch signal which indicates whether the accelerator pedal kickdown switch is opened or closed.
590Engine Idle Shutdown Timer StateStatus signal which indicates the current mode of operation of the idle shutdown timer system.
597Brake SwitchSwitch signal which indicates that the driver operated brake foot pedal is being pressed.
598Clutch SwitchSwitch signal which indicates that the clutch pedal is being pressed.
636Engine Position Sensor
641Engine Variable Geometry Turbocharger Actuator #1Actuator that controls the variable geometry turbocharger geometry.
645Engine Tachometer Signal Output
651Engine Injector Cylinder #01
652Engine Injector Cylinder #02
653Engine Injector Cylinder #03
654Engine Injector Cylinder #04
655Engine Injector Cylinder #05
656Engine Injector Cylinder #06
657Engine Injector Cylinder #07
658Engine Injector Cylinder #08
677Engine Starter Motor RelayActivates the starter.
723Engine Speed 2The engine speed as measured by speed sensor 2.
968Engine Idle Increment SwitchSwitch signal which indicates the position of the idle increment switch.
972Accelerator Interlock SwitchSwitch signal used to disable the accelerator and remote accelerator inputs, causing the engine to return to idle.
974Remote Accelerator Pedal PositionThe ratio of actual position of the remote analogue engine speed/torque request input device (such as an accelerator pedal or throttle lever) to the maximum position of the input device.
986Requested Percent Fan SpeedFan speed as a ratio of the actual fan drive (current speed) to the fully engaged fan drive (maximum fan speed).
1086Parking and/or Trailer Air PressureThe pneumatic pressure in the circuit or reservoir for the parking brake and/or the trailer supply.
1108Engine Protection System Timer OverrideStatus signal which indicates the status of the override feature of the engine protection system timer.
1110Engine Protection System has Shutdown EngineStatus signal which indicates whether or not the engine protection system has shutdown the engine.
1239Engine Fuel Leakage 1Status signal which indicates fuel leakage in the fuel rail of the engine. Location can be either before or after the fuel pump.
1322Engine Misfire for Multiple CylindersWhen a misfire occurs in any one of the cylinders.
1323Engine Misfire Cylinder #1Engine misfire detected in cylinder.
1324Engine Misfire Cylinder #2Engine misfire detected in cylinder.
1325Engine Misfire Cylinder #3Engine misfire detected in cylinder.
1326Engine Misfire Cylinder #4Engine misfire detected in cylinder.
1327Engine Misfire Cylinder #5Engine misfire detected in cylinder.
1328Engine Misfire Cylinder #6Engine misfire detected in cylinder.
1329Engine Misfire Cylinder #7Engine misfire detected in cylinder.
1330Engine Misfire Cylinder #8Engine misfire detected in cylinder.
1135Engine Oil Temperature 2Temperature of the engine lubricant.
1442Engine Fuel Valve 1 PositionThe position of a gaseous fuel valve that is metering the fuel flow to the engine.
1443Engine Fuel Valve 2 PositionThe position of a gaseous fuel valve that is metering the fuel flow to the engine.
1483Source Address of Controlling Device for Engine ControlThe source address of the SAE J1939 device currently controlling the engine.
1484Other ECUs Have Reported Fault Codes Affecting Opera- tion
1485ECM Main Relay
1569Engine Protection Torque DerateTorque has been derated for protection of the engine.
1632Engine Torque Limit FeatureTorque limit rating described in the current record.
1639Fan SpeedThe speed of the fan associated with engine coolant system.
1675Engine Starter ModeStart cannot take place for one of several different reasons.
1761Aftertreatment 1 Diesel Exhaust Fluid Tank LevelRatio of volume of diesel exhaust fluid to the total volume of diesel exhaust fluid storage container.
2609Cab A/C Refrigerant Compressor Outlet PressureGage pressure at the compressor outlet in the cab air conditioning system.
2791Engine Exhaust Gas Recirculation 1 (EGR1) Valve Con- trolDesired percentage of maximum Exhaust Gas Recirculation (EGR) valve opening.
2797Engine Injector Group 1A first collection of fuel injector circuits that are grouped together.
2798Engine Injector Group 2A second collection of fuel injector circuits that are grouped together.
2858Machine Data Configuration 1There is a problem involving the parameter list for the data structure for configuring operations within the Controller Application being communicated with.
2859Machine Data Configuration 2There is a problem involving one (or more) of the PGN(s) within the parameter list for the data structure for configuring operations within the Controller Application being communicated with.
2860Machine Data Configuration 3There is a problem involving the first output control list for the data structure for configuring operations within the Controller Application being communicated with.
2861Machine Data Configuration 4There is a problem involving the second output control list for the data structure for configuring opera- tions within the Controller Application being communicated with.
2862Machine Data Configuration 5There is a problem involving the third output control list for the data structure for configuring operations within the Controller Application being communicated with.
3031Aftertreatment 1 Diesel Exhaust Fluid Tank TemperatureTemperature of the diesel exhaust fluid in the storage tank.
3216Aftertreatment 1 Intake NOxThe amount of combined NO and NO2 in the exhaust entering the aftertreatment system measured by a NOx sensor at the aftertreatment intake, represented in NOx molecule parts per million non-NOx mol- ecules in exhaust bank 1.
3226Aftertreatment 1 Outlet NOxThe amount of combined NO and NO2 in the exhaust entering the aftertreatment system measured by a NOx sensor at the aftertreatment outlet, represented in NOx molecule parts per million non-NOx mole- cules in exhaust bank 1.
3241Aftertreatment 1 Exhaust Gas Temperature 1The reading from the exhaust gas temperature sensor located farthest upstream in the aftertreatment sys- tem in exhaust bank 1.
3242Aftertreatment 1 Diesel Particulate Filter Intake Gas Tem- peratureTemperature of engine combustion by-products entering the diesel particulate filter in exhaust bank 1.
3245Aftertreatment 1 Exhaust Gas Temperature 3The reading from the exhaust gas temperature sensor located farthest downstream in the aftertreatment system in exhaust bank 1.
3246Aftertreatment 1 Diesel Particulate Filter Outlet Gas Tem- peratureTemperature of engine combustion by-products leaving the diesel particulate filter exhaust in exhaust bank 1.
3249Aftertreatment 1 Exhaust Gas Temperature 2The reading from the exhaust gas temperature sensor located midstream of the other two temperature sensors in the aftertreatment system in exhaust bank 1.
3251Aftertreatment 1 Diesel Particulate Filter Differential Pres- Exhaust differential pressure measured between the intake and exhaust of a diesel particulate filter in sure exhaust bank 1.
3275Aftertreatment 2 Exhaust Gas Temperature 1The reading from the exhaust gas temperature sensor located farthest upstream in the aftertreatment sys- tem in exhaust bank 2.
3279Aftertreatment 2 Exhaust Gas Temperature 3The reading from the exhaust gas temperature sensor located farthest downstream in the aftertreatment system in exhaust bank 2.
3283Aftertreatment 2 Exhaust Gas Temperature 2The reading from the exhaust gas temperature sensor located midstream of the other two temperature sensors in the aftertreatment system in exhaust bank 2.
3340Engine Charge Air Cooler 1 Intake PressurePressure of air at intake to 1st or only charge air cooler, from multiple first stage turbochargers being cooled and feeding multiple second stage turbochargers.
3360Aftertreatment 1 Diesel Exhaust Fluid ControllerThe Diesel Exhaust Fluid Controller has the ability to read attributes of the SCR system, including but not limited to, diesel exhaust fluid level, diesel exhaust fluid temperature, diesel exhaust fluid quality, and diesel exhaust fluid dosing rate.
3361Aftertreatment 1 Diesel Exhaust Fluid Dosing UnitThe diesel exhaust fluid dosing unit is a device that mixes the diesel exhaust fluid and air, and delivers a metered quantity of this mixture to the exhaust stream.
3362Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit Input LinesThe diesel exhaust fluid dosing unit is a device that mixes the diesel exhaust fluid and air, such that it contains an input line from the air tank and an input line from the diesel exhaust fluid tank.
3363Aftertreatment 1 Diesel Exhaust Fluid Tank HeaterPercentage of heating applied to the aftertreatment 1 diesel exhaust fluid tank heater.
3464Engine Throttle Actuator 1 Control CommandThe control command to throttle actuator 1, normalized to percent.
3471Aftertreatment 1 Fuel Pressure Control ActuatorDiagnostic SPN for the actuator controlling aftertreatment 1 fuel pressure.
3472Aftertreatment 1 Air Pressure Control ActuatorDiagnostic SPN for the actuator controlling aftertreatment 1 air pressure.
3480Aftertreatment 1 Fuel Pressure 1First fuel pressure measurement for the aftertreatment 1 system.
3485Aftertreatment 1 Supply Air PressurePressure of the supply air for aftertreatment 1.
3515Aftertreatment 1 Diesel Exhaust Fluid Temperature 2Temperature of the diesel exhaust fluid at the device measuring diesel exhaust fluid quality.
3516Aftertreatment 1 Diesel Exhaust Fluid ConcentrationA measure of the concentration of urea in water.
3563Engine Intake Manifold #1 Absolute PressureThe absolute pressure measurement of the air intake manifold.
3607Engine Emergency (Immediate) Shutdown IndicationA signal issued by the engine control system to a user or external system indicating that it is immediately shutting the engine down.
3673Engine Throttle Valve 2 PositionThe sensed position feedback of the valve, coming from a second electrical actuator for a second throttle plate, used to regulate the supply of a fluid, usually air or fuel//air mixture.
3822Engine Exhaust Gas Recirculation 1 Valve 2 PositionThe position of the second exhaust gas recirculation valve expressed as a percentage of full travel.
3936Aftertreatment Diesel Particulate Filter SystemNon-specific failures of the aftertreatment diesel particulate filter system.
4090NOx limits exceeded, root cause unknownOn-Board Diagnostics has determined that the limits for NOx in the exhaust stream have been exceeded, but the root cause cannot be determined by the OBD system.
4094NOx limits exceeded due to Insufficient Diesel Exhaust Fluid QualityOn-Board Diagnostics has determined that the limits for NOx in the exhaust stream have been exceeded due to an insufficient diesel exhaust fluid quality.
4095NOx limits exceeded due to Interrupted Diesel Exhaust Fluid DosingOn-Board Diagnostics has determined that the limits for NOx in the exhaust stream have been exceeded due to an interruption in diesel exhaust fluid dosing activity.
4096NOx limits exceeded due to Empty Diesel Exhaust Fluid TankOn-Board Diagnostics has determined that the limits for NOx in the exhaust stream have been exceeded due to the diesel exhaust fluid tank being empty.
4201Engine Speed 1The engine speed as measured by speed sensor 1.
4202Engine Speed 3The engine speed as measured by speed sensor 3.
4225NOx limits exceeded due to error in the NOx control sys- temOn-Board Diagnostics has determined that the limits for NOx in the exhaust stream have been exceeded due to an error in the NOx control system.
4301Aftertreatment 1 Fuel Injector 1 Heater ControlHeating level that the controller is commanding the aftertreatment 1 fuel injector 1 heater control to maintain.
4334Aftertreatment 1 Diesel Exhaust Fluid Doser Absolute PressureThe SCR dosing diesel exhaust fluid absolute pressure (measured closest to dosing valve) for aftertreat- ment system 1 (exhaust bank 1).
4337Aftertreatment 1 Diesel Exhaust Fluid Dosing Temperature The diesel exhaust fluid dosing temperature (measured closest to dosing valve) for aftertreatment system 1 (exhaust bank 1).
4341Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 Pre- liminary FMIUsed to identify the applicable J1939-73 FMI detected in the diesel exhaust fluid line heater 1, by the manufacturer’s control software in exhaust bank 1.
4343Aftertreatment 1 Diesel Exhaust Fluid Line Heater 2 Pre- liminary FMIUsed to identify the applicable J1939-73 FMI detected in the diesel exhaust fluid line heater 2, by the manufacturer’s control software in exhaust bank 1.
4345Aftertreatment 1 Diesel Exhaust Fluid Line Heater 3 Pre- liminary FMIUsed to identify the applicable J1939-73 FMI detected in the diesel exhaust fluid line heater 3, by the manufacturer’s control software in exhaust bank 1.
4347Aftertreatment 1 Diesel Exhaust Fluid Line Heater 4 Pre- liminary FMIUsed to identify the applicable J1939-73 FMI detected in the diesel exhaust fluid line heater 4, by the manufacturer’s control software in exhaust bank 1.
4374Aftertreatment 1 Diesel Exhaust Fluid Pump Motor SpeedRotational speed of the motor driving a pump for diesel exhaust fluid used in an aftertreatment system.
4427Aftertreatment 2 Diesel Exhaust Fluid Tank TemperatureTemperature of the diesel exhaust fluid in the storage tank.
4782Diesel Particulate Filter 1 Soot DensitySoot density in diesel particulate filter 1.
4809Aftertreatment 1 Warm Up Diesel Oxidation Catalyst In- take TemperatureThe temperature measured at the intake of the warm up oxidation catalytic converter in exhaust bank 1.
4810Aftertreatment 1 Warm Up Diesel Oxidation Catalyst Out- The temperature measured at the outlet of the warm up oxidation catalytic converter in exhaust bank 1. let Temperature
4814Engine Coolant Pump commandCommand for a coolant pump that can be driven at varying output level.
5264Engine Exhaust Gas Recirculation 2 (EGR2) Valve Con- trolDesired percentage of maximum Exhaust Gas Recirculation 2 (EGR2) valve opening. 0% means the valve is closed. 100% means maximum opening (full gas flow).
5265Engine Exhaust Gas Recirculation 2 (EGR2) Valve 2 Con- trolDesired percentage of maximum Exhaust Gas Recirculation 2 (EGR2) valve 2 opening. 0% means the valve is closed. 100% means maximum opening (full gas flow).
5285Engine Charge Air Cooler 1 EfficiencyAn indication of the CAC’s ability to reduce the temperature of the combustion air that is being routed through the CAC1.
5401Engine Turbocharger Turbine Bypass ActuatorDiagnostic SPN for the actuator controlling the engine turbocharger turbine bypass valve.
5419Engine Throttle Actuator 1Device used to control the flow of air or air/fuel mix to the engine.
5421Engine Turbocharger Wastegate Actuator 1Device used to control the turbocharger wastegate.
5435Aftertreatment 1 Diesel Exhaust Fluid Pump StateState of Aftertreatment 1 Diesel Exhaust Fluid dosing pump.
5485Aftertreatment 1 Diesel Exhaust Fluid Pump Orifice FlowThe Exhaust Emission Controller aftertreatment reagent pump orifice flow. Could indicate that the flow is being restricted.
5543Engine Exhaust Brake Actuator CommandThe control command applied to the engine exhaust brake actuator.
5541Engine Turbocharger 1 Turbine Outlet PressureGage pressure of the combustion by-products exiting the turbine side of the turbocharger 1.
5706Aftertreatment 1 Diesel Exhaust Fluid Pump HeaterPercentage of heating applied to the aftertreatment 1 diesel exhaust fluid pump heater.
5743Aftertreatment Selective Catalytic Reduction Temperature Sensor ModuleModule will take temperature sensor inputs from the Aftertreatment Selective Catalytic Reduction Tem- perature Sensors and multiplex the sensor values to the engine ECU via the J1939 network.
5745Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit HeaterAftertreatment DEF heater internal to the Aftertreatment Dosing Unit.
5841Diesel Exhaust Fluid Quality MalfunctionThe diagnostic system has determined that the engine has been operated with a diesel exhaust fluid (re- agent) quality malfunction.