List of fault codes for Massey Ferguson tractors in the 8600 Series

list of fault codes for massey ferguson tractors in the 8600 series
No.Component(s) concernedCause(s)
D121Alternator regulator voltage too high (filtered battery signal)
D122Alternator regulator voltage too low (filtered battery signal)
D127 X197 – Diesel fuel gaugeElectrical signal too high
D128Electrical signal too low
D129Battery voltage too high (non-filtered battery signal)
D130Battery voltage too low (non-filtered battery signal)
D133 X71 – Throttle pedal sensorElectrical signal too high
D134Electrical signal too low
D135X56 – Power Control leverX71 – Throttle pedal sen- sorElectrical signal too high – C.N.
D136Electrical signal too low – C.N.
D137 X106 – Transmission lever in armrestElectrical signal too high
D138Electrical signal too low
D139 X68 – Clutch pedal sensorElectrical signal too high
D140Electrical signal too low
D141X25 – Engine speed sensorEngine speed signal not at maximum level
D142 X68 – Clutch pedal sensorShort circuit to + 12 V AC
D143Short circuit to + 12 V AC – C.N.
D144  X56 – Power Control leverElectrical signal too high
D145Electrical signal too low
D146Electrical signal too high
D147Electrical signal too low
D148X55 – Instrument panelAttempt to program with engine running
D149CAN network deactivated (CAN bus off)
D150CAN messages lost
D151Tractor speed too high
D152 X55 – Instrument panelHourmeter error for engine maintenance
D153Parameter table error
D154CAN communications from Autotronic 4 to DCC3 –C.N. Special failed
D155X55 – Instrument panelIncorrect tractor code selected
D156X68 – Clutch pedal sensorTOC stuck open
D157X25 – Engine speed sensorNo electrical signal
D158X106 – Transmission lever in armrestIncorrect calibration of armrest lever
D159 X56 – Power Control leverNeutral switch error in neutral – C.N. position
D160Neutral switch error outside neutral – C.N. position
D164CAN communications from EEM to DCC3 failed
D170X122 – Hand throttle
D183 X235 – Front axle steering sensor (WAS sensor)Electrical signal too high
D184Electrical signal too low
D185 X57 – DOT Matrix keyboardElectrical signal too high
D186Electrical signal too low
D189 X55 – Instrument panel9.5 V output – electrical signal too high
D1909.5 V output – electrical signal too low
D191 X168 – Pneumatic brake system pressure sensorElectrical signal too high
D192Electrical signal too low
No.Component(s) concernedCause(s)
D193X144 – Variable steering setting potentiometer (fast steering)Electrical signal too high
D194Electrical signal too low
D195 X55 – Instrument panelElectrical signal too high
D196Electrical signal too low
D197 X1 – Auxiliary hydraulic oil temperature sensorElectrical signal too high
D198Electrical signal too low

Engine error codes

No.FMIComponents concernedCauses
E914Throttle sensorThrottle sensor 1 LOW fault (IDLE)
E913Throttle sensorThrottle sensor 1 HIGH fault (IDLE)
E9431Fuel filter pressure sensorOil filter pressure LOW (with old sensor)
E944Fuel filter pressure sensorLOW fuel filter pressure sensor fault
E943Fuel filter pressure sensorHIGH fuel filter pressure sensor fault
E942Fuel filter pressure sensorFuel filter pressure NO SIGNAL
E9416Fuel filter pressure sensorFuel filter pressure ABOVE NORMAL
E9418Fuel filter pressure sensorFuel filter pressure BELOW NORMAL
E9731Water in fuel
E10016Oil pressure sensorOil pressure ABOVE NORMAL (9.5 bar/ 30°C)
E1002Oil pressure sensorOil pressure NO SIGNAL
E10031Oil pressure sensorOil pressure sensor fault
E1004Oil pressure sensorLOW oil pressure sensor fault
E1003Oil pressure sensorHIGH oil pressure sensor fault
E10018Oil pressure sensorOil pressure LOW
E1001-Oil pressure sensorOil pressure LOW, ALARM
E1024Boost pressure sensorLOW boost pressure sensor fault
E1023Boost pressure sensorHIGH boost pressure sensor fault
E10218Boost pressure sensorBoost pressure LOW
E10216Boost pressure sensorBoost pressure ABOVE NORMAL
E1022Boost pressure sensorBoost pressure NO SIGNAL
E10231Boost pressure sensorInlet manifold pressure drop too HIGH at start-up
E1054Inlet manifold temperature sensorLOW inlet manifold temperature sensor fault
E1053Inlet manifold temperature sensorHIGH inlet manifold temperature sensor fault
E10516Inlet manifold temperature sensorInlet manifold temperature ABOVE NOR- MAL (>90°C)
E1052Inlet manifold temperature sensorInlet manifold temperature sensor NO SIGNAL
E10718Air filter pressure sensorAir filter pressure BELOW NORMAL
E10731Air filter pressure sensorAir filter pressure sensor fault
E1102Coolant temperature sensorCoolant temperature NO SIGNAL
E1104Coolant temperature sensorLOW coolant temperature sensor fault
E1103Coolant temperature sensorHIGH coolant temperature sensor fault
E11016Coolant temperature sensorCoolant temperature HIGH
E1100Coolant temperature sensorCoolant temperature HIGH, ALARM
E1574Rail pressure sensorLOW rail pressure sensor fault
No.FMIComponents concernedCauses
E1573Rail pressure sensorHIGH rail pressure sensor fault
E15716Rail pressure sensorRail pressure ABOVE NORMAL
E1572Rail pressure sensorRail pressure NO SIGNAL
E1571-Rail pressure sensorRail pressure LOW
E1570Rail pressure sensorRail pressure HIGH
E1681-Battery voltageBattery voltage VERY LOW (<6.5 V)
E1680Battery voltageBattery voltage VERY HIGH (>36.0 V)
E1682Battery voltageBattery voltage NO SIGNAL
E16818Battery voltageBattery voltage BELOW NORMAL (<7.8 V)
E16816Battery voltageBattery voltage ABOVE NORMAL
E1744Fuel temperature sensorLOW fuel temperature sensor fault
E1743Fuel temperature sensorHIGH fuel temperature sensor fault
E17416Fuel temperature sensorFuel temperature ABOVE NORMAL
E1742Fuel temperature sensorFuel temperature NO SIGNAL
E1754Engine oil temperature sensorLOW engine oil temperature sensor fault
E1753Engine oil temperature sensorHIGH engine oil temperature sensor fault
E17516Engine oil temperature sensorEngine oil temperature HIGH
E1752Engine oil temperature sensorEngine oil temperature sensor NO SIG- NAL
E19016Engine speed signalEngine speed signal ABOVE NORMAL
E6264Inlet air heater control, voltage below nor- mal
E6263Inlet air heater control, voltage above nor- mal
E62910EEPROMEEPROM error
E8984Requested speedRequested speed out of LOW range (<500 rpm)
E8983Requested speedRequested speed out of HIGH range (>3000 rpm)
E113616ECU temperature sensorECU temperature ABOVE NORMAL>115°C
E11364ECU temperature sensorECU LOW temperature sensor fault
E11363ECU temperature sensorECU HIGH temperature sensor fault
E11362ECU temperature sensorECU temperature NO SIGNAL
E137816Engine oil drain: delayed for too long
E900631Vehicle CANVehicle CAN off
E900831CAN ID moduleCAN ID module off (ECU to ID)
E90104Ambient pressure sensorLOW ambient pressure sensor fault
E90103Ambient pressure sensorHIGH ambient pressure sensor fault
E901016Ambient pressure sensorAmbient pressure ABOVE NORMAL
E90102Ambient pressure sensorAmbient pressure NO SIGNAL
E902145 V DC supply5 V DC supply 1 LOW fault
E902135 V DC supply5 V DC supply 1 HIGH fault
E902245 V DC supply5 V DC supply 2 LOW fault
E902235 V DC supply5 V DC supply 2 HIGH fault
E902345 V DC supply5 V DC supply 3 LOW fault
E902335 V DC supply5 V DC supply 3 HIGH fault
E902418Supply of sensor detecting water in the fuelSupply voltage of sensor detecting water in fuel BELOW NORMAL
E902416Supply of sensor detecting water in the fuelSupply voltage of sensor detecting water in fuel ABOVE NORMAL
No.FMIComponents concernedCauses
E902531Self-test cut-off pathsSelf-test cut-off paths, monitoring
E90263Self-test cut-off pathsSelf-test cut-off paths, HIGH processor voltage check
E90274Self-test cut-off pathsSelf-test cut-off paths, LOW processor voltage check
E90306Main relay, short circuit to EARTHShort circuit to EARTH, ECU main relay1
E90303Main relay, short circuit to BAT+Short circuit to BAT+, ECU main relay1
E90316Main relay, short circuit to EARTHShort circuit to EARTH, ECU main relay2
E90313Main relay, short circuit to BAT+Short circuit to BAT+, ECU main relay2
E90326Main relay, short circuit to EARTHShort circuit to EARTH, ECU main relay3
E90323Main relay, short circuit to BAT+Short circuit to BAT+, ECU main relay3
E903331Main relayECU cut-off does not work
E903431Main relayECU cut-off did not work last time
E903531Normal recovery
E903631Total restart after 3 recoveries in 2 sec- onds
E907031Crankshaft speed sensorCrankshaft speed signal from the TPU
E907131Crankshaft speed sensorCrankshaft speed signal, too many pulses
E907231Crankshaft speed sensorCrankshaft speed sensor, reverse con- nected
E908031Cam speed sensorAPS cam speed signal
E908131Cam speed sensorTPS cam speed signal
E908231Cam speed sensorCam speed sensor, reverse connected
E908331Cam speed sensorNo cam speed signal detected
E909031Engine speed signalEngine speed signal evaluation error
E910031Protection upgrade fault
E910731Invalid ECU source address selection
E91316Solenoid valve 1Solenoid valve 1, short circuit to EARTH (bank off)
E91313Solenoid valve 1Solenoid valve 1, short circuit between ca- bles (bank off)
E91315Solenoid valve 1Solenoid valve 1, OPEN CIRCUIT
E913131Solenoid valve 1Solenoid valve 1, fast decay error (bank off)
E913111Solenoid valve 1Solenoid valve 1, current level error (bank off)
E91326Solenoid valve 2Solenoid valve 2, short circuit to EARTH (bank off)
E91323Solenoid valve 2Solenoid valve 2, short circuit between ca- bles (bank off)
E91325Solenoid valve 2Solenoid valve 2, OPEN CIRCUIT
E913231Solenoid valve 2Solenoid valve 2, fast decay error (bank off)
E913211Solenoid valve 2Solenoid valve 2, current level error (bank off)
E91336Solenoid valve 3Solenoid valve 3, short circuit to EARTH (bank off)
E91333Solenoid valve 3Solenoid valve 3, short circuit between ca- bles (bank off)
E91335Solenoid valve 3Solenoid valve 3, OPEN CIRCUIT
E913331Solenoid valve 3Solenoid valve 3, fast decay error (bank off)
No.FMIComponents concernedCauses
E913311Solenoid valve 3Solenoid valve 3, current level error (bank off)
E91346Solenoid valve 4Solenoid valve 4, short circuit to EARTH (bank off)
E91343Solenoid valve 4Solenoid valve 4, short circuit between ca- bles (bank off)
E91345Solenoid valve 4Solenoid valve 4, OPEN CIRCUIT
E913431Solenoid valve 4Solenoid valve 4, fast decay error (bank off)
E913411Solenoid valve 4Solenoid valve 4, current level error (bank off)
E91356Solenoid valve 5Solenoid valve 5, short circuit to EARTH (bank off)
E91353Solenoid valve 5Solenoid valve 5, short circuit between ca- bles (bank off)
E91355Solenoid valve 5Solenoid valve 5, OPEN CIRCUIT
E913531Solenoid valve 5Solenoid valve 5, fast decay error (bank off)
E913511Solenoid valve 5Solenoid valve 5, current level error (bank off)
E91366Solenoid valve 6Solenoid valve 6, short circuit to EARTH (bank off)
E91363Solenoid valve 6Solenoid valve 6, short circuit between ca- bles (bank off)
E91365Solenoid valve 6Solenoid valve 6, OPEN CIRCUIT
E913631Solenoid valve 6Solenoid valve 6, fast decay error (bank off)
E913611Solenoid valve 6Solenoid valve 6, current level error (bank off)
E915016Rail pressure sensorRail pressure, negative deviation
E915018Rail pressure sensorRail pressure, positive deviation
E91505Rail pressure sensorRail pressure, leakage detected during idle
E91508Rail pressure sensorRail pressure, leakage detected through quantity balance
E915031Rail pressure sensorRail pressure, leakage detected during overrun
E915131Pressure regulating valvePRV recognised as OPEN
E91517Pressure regulating valvePRV is sticking
E915231Fuel filter pressure sensorFuel filter pressure, fluctuating
E915331Fuel filter pressure sensorFuel filter pressure sensor, loose contact
E91706Lift pump controlLift pump control (ECU), short circuit to earth
E91705Lift pump controlLift pump control (ECU), open circuit
E91716Preheater controlPreheater control, short circuit to earth
E91715Preheater controlPreheater control, open circuit
E91726Starter relay controlStart relay control, short circuit to earth (lower side)
E91723Starter relay controlStart relay control, short circuit to BAT+ (lower side)
E91725Starter relay controlStart relay control, open circuit (lower side)
E917231Starter relay controlStart relay control, excessive temperature (lower side)
E91736Starter relay controlStart relay control, short circuit to earth (upper side)
No.FMIComponents concernedCauses
E91733Starter relay controlStart relay control, short circuit to BAT+ (upper side)
E91746MPROP controlMPROP control, short circuit to earth
E91743MPROP controlMPROP control, short circuit to BAT+
E91745MPROP controlMPROP control, open circuit
E917431MPROP controlMPROP control, excessive temperature
E923031Diagnostic ID moduleEngine specification mismatch
E923131Diagnostic ID moduleEngine serial number mismatch
E923331Diagnostic ID moduleID module not present
E923431Diagnostic ID moduleID not compatible with current ECU
E923531Diagnostic ID moduleID module memory fault
E92353Diagnostic ID moduleID module, supply voltage HIGH (>32.0 V)
E92354Diagnostic ID moduleID module memory fault
E923516Diagnostic ID moduleID temperature, temperature HIGH (>95°C)
E923631Diagnostic ID moduleID module additional memory defect
E923731Diagnostic ID moduleID module, monitoring reset
E923831Diagnostic ID moduleID module, brownout reset
E923931Diagnostic ID moduleEngine specification missing
E924031Diagnostic ID moduleEngine serial number missing
E924131Diagnostic ID moduleID module not present, bypass active
E924231Diagnostic ID moduleGenerated bypass time expired
E924331Diagnostic ID moduleMaximum ECU bypass time expired
E924431Diagnostic ID moduleID module recovery
E930331Speed regulator UI fault
E930431Vehicle speed missing
E930531Incorrect digital input configuration
E930631PTO input error
E931031Fault with external digital input 1
E931131Fault with external digital input 2
E931231Torque control input
E931731DCU not present

SCR system error codes

No.FMICause(s)
U1680Battery voltage monitoring: Voltage higher than normal
U1681-Battery voltage monitoring: Voltage lower than normal
U1683Battery voltage monitoring: Voltage too high
U1684Battery voltage monitoring: Voltage too low
U4410Catalyst downstream temperature sensor: Temperature too high
U4411-Catalyst downstream temperature sensor: Temperature too low
U4412Catalyst temp. downstream sensor plaus. Error: Static Plausi- bility
U4413Catalyst downstream temperature sensor: Shortcut to Battery+
U4414Catalyst downstream temperature sensor: Shortcut to Ground
U44111Downstream catalyst temperature – physical error: Catalyst Temperature not OK
No.FMICause(s)
U44116Catalyst temp. downstream sensor plaus. error: Dynamic plau- sibility, upper threshold
U44118Catalyst temp. downstream sensor plaus. Error: Dynamic plau- sibility, lower threshold
U4420Catalyst upstream temperature sensor: Temperature too high
U4421-Catalyst upstream temperature sensor: Temperature too low
U4422Catalyst temp. upstream sensor plaus. error: Static Plausibility
U4423Catalyst upstream temperature sensor: Shortcut to Battery+
U4424Catalyst upstream temperature sensor: Shortcut to Ground
U44216Catalyst temp. upstream sensor plaus. error: Dynamic plausibil- ity, upper threshold
U44218Catalyst temp. upstream sensor plaus. error: Dynamic plausibil- ity, lower threshold
U6973Back flow line heater power stage error: Shortcut to Battery+
U6975Back flow line heater power stage error: Open load
U6976Back flow line heater power stage error: Shortcut to Ground
U6983Cooling line heater power stage error: Shortcut to Battery+
U6985Cooling line heater power stage error: Open load
U6986Cooling line heater power stage error: Shortcut to Ground
U6993Inlet line heater power stage error: Shortcut to Battery+
U6995Inlet line heater power stage error: Open load
U6996Inlet line heater power stage error: Shortcut to Ground
U7003Pressure line heater power stage error: Shortcut to Battery+
U7005Pressure line heater power stage error: Open load
U7006Pressure line heater power stage error: Shortcut to Ground
U10793Sensor Supply Voltage 1 monitoring: Shortcut to Battery+
U10794Sensor Supply Voltage 1 monitoring: Shortcut to Ground
U10803Sensor Supply Voltage 2 monitoring: Shortcut to Battery+
U10804Sensor Supply Voltage 2 monitoring: Shortcut to Ground
U13870Urea pressure monitoring: Pressure too high
U13871-Urea pressure monitoring: Pressure too low
U13872Urea pressure sensor plausibility error: Dynamic plausibility
U13883Urea pressure sensor: Shortcut to Battery+
U13884Urea pressure sensor: Shortcut to Ground
U138811Urea pressure sensor: Supply voltage above upper or below lower limit
U14853Main relay error: No shut off of main relay
U14856Main relay error: Shut off too soon
U16770Modular Heater State Machine Error: Inlet line frozen error
U16771-Modular Heater State Machine Error: Pressure line frozen error
U16772Modular Heater State Machine Error: Pressure build – up error
U16773Modular Heater State Machine Error: Back flow line frozen error
U17612Urea Tank Level Sensor error: Range error of tank level
U17613Urea Tank Level Sensor error: Signal above upper limit
U17614Urea Tank Level Sensor error: Signal below lower limit
U17615Urea tank error: Open circuit in level sensor
U17616Urea tank error: Level sensor shortcut to GND
U17619Urea Tank Level Sensor error: Message overridden
U176111Urea tank error: Tank empty
No.FMICause(s)
U176114Urea Tank Level Sensor error: Supply Signal above upper or be- low lower limit
U176117Urea tank error: Tank level low
U176118Urea tank error: Tank level VERY low
U176119Urea Tank Level Sensor error: Time out
U28542CAN Rx Frame: Range error, barometric pressure or ambient air temp
U28549CAN Rx Frame: Message overridden
U285419CAN Rx Frame: Time out
U28552CAN Rx Frame: Range error of NOx/O2 concentration or status
U28559CAN Rx Frame: Message overridden
U285519CAN Rx Frame: Time out
U28562CAN Rx Frame: Range error of NOx/O2 concentration or status
U28569CAN Rx Frame: Message overridden
U285619CAN Rx Frame: Time out
U28572CAN Bus Off: CAN Bus 2
U285719CAN Bus Off: CAN Bus 1
U28582CAN Frame Error: Long Term Error Active or Error Suppression signal is out of range
U28592Message: Range error of UreaQ/Heating or Dosing Status/PTO/ Exh. gas mass or temp.
U28599CAN Frame Error: Message overridden
U285919CAN Frame Error: Time out
U28602CAN Frame Error: Range error of Exhaust Mass flow or Dew Point ErrorCode
U28609CAN Frame Error: Message overridden
U286019CAN Frame Error: Time out
U28612CAN Frame Error: Range error of EGR Valve Control signal
U28619CAN Frame Error: Message overridden
U286119CAN Frame Error: Time out
U28622CAN Frame Error: Message overridden
U286219CAN Frame Error: Time out
U28632CAN Frame Error: Range error of Engine speed
U28639CAN Frame Error: Message overridden
U286311CAN Frame Error: Range error of Driver demand % engine torque
U286313CAN Frame Error: Range error of Engine torque
U286319CAN Frame Error: Time out
U28642CAN Frame Error: Range error of Engine inlet air mass flow rate
U28649CAN Frame Error: Message overridden
U286419CAN Frame Error: Time out
U28652CAN Frame Error: Range error of Actual Retarder Percent Torque
U28659CAN Frame Error: Message overridden
U286519CAN Frame Error: Time out
U28662CAN Frame Error: Range error of Coolant or Engine oil temper- ature signal
U28669CAN Frame Error: Message overridden
U286619CAN Frame Error: Time out
U28672CAN Frame Error: Range error of Boost pressure or Intake Man- ifold 1 Temp.
No.FMICause(s)
U28679CAN Frame Error: Message overridden
U286719CAN Frame Error: Time out
U28682CAN Frame Error: Range error of external desired NOx emis- sions
U28689CAN Frame Error: Message overridden
U286819CAN Frame Error: Time out
U28692CAN Frame Error: Range error of Fuel injection quantity
U28699CAN Frame Error: Message overridden
U286910CAN Frame Error: Range error of Urea tank level
U286911CAN Frame Error: Range error of Urea tank temperature
U286912CAN Frame Error: Range error of NOx concentration from NOx sensor 2
U286913CAN Frame Error: Range error of NOx Status byte from NOx sensor 2
U286919CAN Frame Error: Time out
U28702CAN Frame Error: Range error of Vehicle speed
U28709CAN Frame Error: Message overridden
U287019CAN Frame Error: Time out
U28712CAN Frame Time Date Error: Range error
U28719CAN Frame Time Date Error: Message overridden
U287119CAN Frame Time Date Error: Time out
U28728DCU or Heater ON error: Time out – Timer 16 elapsed
U28729DCU or Heater ON error: Time out – Timer elapsed
U287210DCU or Heater ON error: Time out – Timer elapsed
U30310Urea Tank Temperature Sensor error: Signal Above Error
U30311-Urea Tank Temperature Sensor error: Signal Above Error
U30312Urea Tank Temperature Sensor error: J1939 error of Urea tank temp. signal
U30313Urea Tank Temperature Sensor error: Signal High Error
U30314Urea Tank Temperature Sensor error: Signal Low Error
U30319Urea Tank Temperature Sensor error: Message overridden error
U303111Plausibility check of urea tank temperature sensor: Signal not plausible
U303119Urea Tank Temperature Sensor error: Time out error
U5202010Monitoring of Supply Module temperature: Temperature too high
U5202011-Monitoring of Supply Module temperature: Temperature too low
U5202013Monitoring of Supply Module temperature: Shortcut to Bat- tery+
U5202014Monitoring of Supply Module temperature: Shortcut to Ground
U5202209EEPROM error: EEPROM communication error
U52022115Frozen cycles counter error: Counter threshold exceeded
U52022116Frozen cycles counter error: Counter2 threshold exceeded
U52022211Emergency Shut Off: Over temperature detected (>85 °C)
U5202247Tank Heater Valve Error: Detection of valve blocked open
U52022511Urea Consumption Error: Urea consumption not plausible
U52022611Urea Dosing Error: Dosing interrupted
U52022711Urea Quality Error: Insufficient urea quality
U52022811NOx emission control error: NOx threshold exceeded
U52022911Urea Level Monitoring: Tank empty
No.FMICause(s)
U5202343Diagnostic lamp power stage error: Shortcut to Battery+
U5202345Diagnostic lamp power stage error: Open load
U5202346Diagnostic lamp power stage error: Shortcut to Ground
U5202363Filter outlet connector heater power stage error: Shortcut to Battery+
U5202365Filter outlet connector heater power stage error: Open load
U5202366Filter outlet connector heater power stage error: Shortcut to Ground
U5202373Pressure compensation heater error: Shortcut to Battery+
U5202375Pressure compensation heater error: Open load
U5202376Pressure compensation heater error: Shortcut to Ground
U5202383Filterbox module heater power stage error: Shortcut to Battery+
U5202385Filterbox module heater power stage error: Open load
U5202386Filterbox module heater power stage error: Shortcut to Ground
U5202393Pump module heater power stage error: Shortcut to Battery+
U5202395Pump module heater power stage error: Open load
U5202396Pump module heater power stage error: Shortcut to Ground
U5202413Urea dosing valve power stage error: Shortcut to Battery+
U5202415Urea dosing valve power stage error: Open load
U5202416Urea dosing valve power stage error: Shortcut to Ground
U5202417Plausibility check of Urea Dosing Valve Stuck: UDV stuck closed
U52024114Plausibility check of valve position stuck: Valve position un- known
U5202418Plausibility check of Urea Dosing Valve Stuck: UDV stuck open
U5202423Urea tank heater power stage error: Shortcut to Battery+
U5202425Urea tank heater power stage error: Open load
U5202426Urea tank heater power stage error: Shortcut to Ground
U5202432Urea level plausibility error: Signal not plausible
U5202445Pump speed evaluation error: Pump motor unplugged
U5202447Pump speed evaluation error: Pump Motor Blocked
U5202448Pump speed evaluation error: Over Speed condition
U52024412Pump speed evaluation error: Pump Speed Sensor defective
U5202462Plausibility check of urea tank temperature sensor: Signal not plausible
U5202483Coolant control valve power stage error: Shortcut to Battery+
U5202485Coolant control valve power stage error: Open load
U5202493Reverting valve power stage error: Shortcut to Battery+
U5202495Reverting valve power stage error: Open load
U5202496Reverting valve power stage error: Shortcut to Ground
U5202506Coolant control valve power stage error: Shortcut to Ground
U5202537Detection of blocked pressure line: Blockage detected in state 1
U5202547Detection of blocked backflow line: Block detected
U52025711Static urea leakage test: Leakage detected
U5202607Urea pressure buildup: Pressure buildup failed
U5202617Urea pressure buildup: Error path bit 3 active
U5202622Temperature plausibility during commissioning: Too cold during urea commissioning
U5202642Urea pressure plausibility check: Urea pressure not plausible
U5202652Urea box temperature – physical error: Box temperature too high or too low
No.FMICause(s)
U5202667Vent Valve Error: CCV State machine, error path bit 3 active
U5202687Reverting valve monitoring: Valve defect detected
U5202697Vent Valve Error: Urea pressure not reduced
U5202733Analog feedback signal for Main Relay 1: Shortcut to Battery+
U5202735Analog feedback signal for Main Relay 1: Open circuit
U5202743Analog feedback signal for Main Relay 2: Shortcut to Battery+
U5202744Analog feedback signal for Main Relay 2: Shortcut to Ground
U5202745Analog feedback signal for Main Relay 2: Open circuit
U5202753Analog feedback signal for Main Relay 3: Shortcut to Battery+
U5202754Analog feedback signal for Main Relay 3: Shortcut to Ground
U5202755Analog feedback signal for Main Relay 3: Open circuit
U5202763Monitoring of Supply Voltage: Shortcut to Battery+
U5202764Monitoring of Supply Voltage: Shortcut to Ground
U5202773Battery voltage monitoring: Voltage too high
U5202774Battery voltage monitoring: Voltage too low
U52029611Dosing Strategy Monitoring Module NOx conversion efficiency: Threshold 1 error
U52029711Dosing Strategy Monitoring Module NOx conversion efficiency: Threshold 2 error
U5202982Evaluation of Atmospheric Pressure: Range error of Barometric pressure
U5202992Terminal 15 circuit defect: Ignition switch plausibility error
U5203012NOx sensor concentration signal error: Plausibility check
U5203013NOx sensor concentration signal error: Short circuit
U5203015NOx sensor concentration signal error: Open wire
U52030111NOx sensor concentration signal error: Other NOx errors
U52030117NOx sensor concentration signal error: Sensor supply not in range
U5203022NOx heater signal from NOx sensor: Plausibility check
U5203023NOx heater signal from NOx sensor: Short circuit
U5203025NOx heater signal from NOx sensor: Open wire
U52030211NOx heater signal from NOx sensor: Other NOx errors
U5203082NOx sensor plausibility error: Signal not plausible
U5203097Start Up Cycle Counter for Pressure Drop during Dosing: Max. limit of counter exceeded
U5203102Urea box temperature – physical error: Urea Temperature too high or too low

Transmission error codes

No.Components concernedCauses
T4105X34 – Transmission oil high pressure sensor 2Signal error – 8.5 V supply error
T4107X9 – Transmission oil high pressure sensor 1Signal error – 8.5 V supply error
T4108X17 – Hare/Tortoise range position sensorSignal error – 8.5 V supply error
T4121Signal error
T4127X10 – Collecting shaft speed sensorSignal error
T4128X18 – Transmission control moduleSignal error
T412AX8 – Bevel gear theoretical speed sensorSignal error
T412BX123 – Hare/Tortoise range shift switchSignal error
T4131X10 – Collecting shaft speed sensorDirection of rotation signal error
No.Components concernedCauses
T4142Rotation speed signal error
T4144X25 – Engine speed sensorSignal error
T4145X8 – Bevel gear theoretical speed sensorSignal error
T4150X20 – Transmission filter blockage switchFilter blocked
T4153X19 – Transmission hydraulic oil temperature sensorTransmission oil temperature higher than 110°C
T4156X20 – Transmission filter blockage switchSignal error
T4158Transmission slip monitorThe transmission output speed indicates over 30% slippage compared to the value given
 T 4159 Engagement of limp home modeManual engagement of limp home mode without reason
Limp home mode error
T4161X14 – Tortoise range solenoid valveControl error when shifting from Hare to Tortoise mode
T4162X13 – Hare range solenoid valveControl error when shifting from Tortoise to Hare mode
T4163X11 – Solenoid valve limiting speed to 30 kphControl error
T4164X12 – Coupler function solenoid valvePWM control error
T4172X20 – Transmission filter blockage switchSignal error
T4173X19 – Transmission hydraulic oil temperature sensorSignal error
 T 4182X8 – Bevel gear theoretical speed sensor Inconsistent speeds
X10 – Collecting shaft speed sensor
 T 4183X8 – Bevel gear theoretical speed sensor Inconsistent direction of rotation.
X10 – Collecting shaft speed sensor
T4185X25 – Engine speed sensorInconsistent speed
 T 4186X9 – Transmission oil high pressure sensor 1 Inconsistent values
X34 – Transmission oil high pressure sensor 2
T4189X19 – Transmission hydraulic oil temperature sensorInconsistent value
T4192X67 – Right-hand brake pedal sensorData transfer interrupted
T4193X66 – Left-hand brake pedal sensorData transfer interrupted
T41A0X18 – Transmission control moduleControl of control module interrupted
T41A1X18 – Transmission control moduleThe angle of rotation is limited, but not by the speed limiting solenoid valve
 T 41A2X18 – Transmission control module The CAN network control is interrupted
X174 – Autotronic 4 transmission controller
T41A3X18 – Transmission control moduleIncrement sensor signal (internal actual position sen- sor) interrupted or illogical
T41A4X18 – Transmission control moduleAutotronic 4 signal interrupted or illogical
T41A5X18 – Transmission control moduleReference output (Position “0”) not found at start-up
T41A6X18 – Transmission control moduleReference point signal interrupted during operation
T41B0CAN networkInitialisation error
T41B1X174 – Autotronic 4 transmission controllerIllogical range shift
T41B2X174 – Autotronic 4 transmission controllerFaulty programming
T41B3X174 – Autotronic 4 transmission controllerFaulty programming
T41B4X174 – Autotronic 4 transmission controllerFaulty programming
T41B5X174 – Autotronic 4 transmission controllerFaulty programming
T41C1X174 – Autotronic 4 transmission controllerThe engine has stalled due to transmission overload
T41CFX174 – Autotronic 4 transmission controllerInternal error (RAM/EEPROM)
 T 41E0X174 – Autotronic 4 transmission controllerCoupler function reference curve incorrectly inter- preted, faulty programming
X12 – Coupler function solenoid valveSignal error
No.Components concernedCauses
T41E1X174 – Autotronic 4 transmission controllerFaulty programming
T41E2X174 – Autotronic 4 transmission controllerFaulty programming
T41E3X174 – Autotronic 4 transmission controllerFaulty programming
T41E4X174 – Autotronic 4 transmission controllerFaulty programming
T41E5X174 – Autotronic 4 transmission controllerFaulty programming
T41E6X174 – Autotronic 4 transmission controllerFaulty programming
T41E7X174 – Autotronic 4 transmission controllerFaulty programming
T41E9X174 – Autotronic 4 transmission controllerFaulty programming
T41EAX174 – Autotronic 4 transmission controllerFaulty programming
T41EBX17 – Hare/Tortoise range position sensorCalibration error or sensor value out of tolerance ranges
T41EEX174 – Autotronic 4 transmission controllerFaulty programming
T41EFX174 – Autotronic 4 transmission controllerFaulty programming
T41FFX174 – Autotronic 4 transmission controllerInternal error (RAM/EEPROM)

4WD/Differential lock error codes

No.Components concernedCauses
T5131 X137 – 4WD switchIncorrect manual engagement signal
T5132Incorrect automatic engagement signal
T5133X5 – 4WD solenoid valveControl error
T5151X136 – Differential lock switchSignal error
T5153X6 – Differential lock solenoid valveControl error
T5154X66 – Left-hand brake pedal sensorSignal error
T5555X67 – Right-hand brake pedal sensorSignal error

PTO error codes

No.Components concernedCauses
T6101X128 – Rear PTO ON/OFF switchSignal error
T6103X94 – PTO ON/OFF switch on left-hand fenderSignal error
T6104X7 – Rear PTO solenoid valveControl error
T6105X15 – PTO clutch speed sensorSignal error
T6110X16 – PTO shaft speed sensorSignal error
T6111X118 – Automatic PTO switchSignal error
T6113X16 – PTO shaft speed sensorOverspeed
T6115X145 – PTO/linkage consoleSignal error
T6116X145 – PTO/linkage consoleSignal error
T6117X145 – PTO/linkage consoleSignal error
T6118X145 – PTO/linkage consoleSignal error
T611AX3 – 540 rpm PTO speed solenoid valveControl error
T611BX3 – 540 rpm PTO speed solenoid valveControl error
T611CX4 – 1000 rpm PTO speed solenoid valveControl error
T6141X128 – Rear PTO ON/OFF switchPressed down for over 30 seconds, mechanical or electrical error on switch
T6143X94 – PTO ON/OFF switch on left-hand fenderPressed down for over 30 seconds, mechanical or electrical error on switch
No.Components concernedCauses
   T   6145   X15 – PTO clutch speed sensorNEUTRAL speed selection, PTO not activated, X15 displays a speed, the clutch disc does not separate, PTO brake does not engage selected speed, PTO clutch 100% engaged, over 20% difference between PTO clutch speed and engine speed. PTO clutch disc slips: clutch slippage. PTO clutch speed is lower than output shaft speed, X15 sensor supply voltage error.
  T  6150  X16 – PTO shaft speed sensorThe PTO shaft speed is higher than 1300 rpm, signal error (X16 or X15). The selected speed is lower than the PTO output shaft speed, X16 sensor supply volt- age error, speed solenoid valve (X4, X3) locked in “de- activated” position.
T6155X145 – PTO/linkage consolePressed down for over 30 seconds, mechanical or electrical error on switch
T6156X145 – PTO/linkage consolePressed down for over 30 seconds, mechanical or electrical error on switch
T6157X145 – PTO/linkage consolePressed down for over 30 seconds, mechanical or electrical error on switch
T6158X145 – PTO/linkage consolePressed down for over 30 seconds, mechanical or electrical error on switch
  T  6160X15 – PTO clutch speed sensorDifference of at least 12% between the output shaft speed and PTO clutch speed, speed solenoid valve (X4, X3) incorrectly connected or seized up. Mechan- ical fault with speed selection. Signal error to sen- sors (X15, X16)
 X16 – PTO shaft speed sensor
T61A1X128 – Rear PTO ON/OFF switchCommunication error
T61B0X128 – Rear PTO ON/OFF switchInitialisation error
T61B5X145 – PTO/linkage consoleCommunication error
T61B6X145 – PTO/linkage consoleCommunication error
T61B7X145 – PTO/linkage consoleCommunication error
T61B8X145 – PTO/linkage consoleCommunication error
T61E0X174 – Autotronic 4 transmission controllerFaulty programming
T61E1X174 – Autotronic 4 transmission controllerFaulty programming

Lights error codes

No.Components concernedCauses
 L 6X149 – Headlights module (black connector)One or more bulb(s) missing
X305 – Headlights module (grey connector)
 L 7X149 – Headlights module (black connector)No connection with the keypad
X305 – Headlights module (grey connector)
 L 8X149 – Headlights module (black connector)EEPROM checksum
X305 – Headlights module (grey connector)
 L 9X149 – Headlights module (black connector)CAN connection problem
X305 – Headlights module (grey connector)

ParkLock error codes

No.Components concernedCauses
P131  X38 – Trailer braking proportional solenoid valveOpen circuit
P132Short circuit to earth (-)
P133Short circuit to +12 V
No.Components concernedCauses
P141  X39 – Trailer braking safety solenoid valveOpen circuit
P142Short circuit to earth (-)
P143Short circuit to +12 V
P151  X37 – ParkLock pressure reversing solenoid valveOpen circuit
P152Short circuit to earth (-)
P153Short circuit to +12 V
P171X135 – Braking pressure sensorSignal error
P172X35 – ParkLock hydraulic system pressure sensorSignal error
P173X21 – ParkLock brake pressure sensorSignal error

Suspended front axle error codes

No.Components concernedCauses
FA211X178 – ParkLock/suspended front axle/passive sus- pended cab Autotronic 5Calibration fault
FA221  X166 – Suspended front axle position sensorSensor value too high
FA222Sensor value too low
FA224Calibration too low
FA225Calibration too high
FA231 X154 – Suspended front axle lifting solenoid valveOpen circuit
FA232Short circuit to +12 V
FA233Short circuit to earth (-)
FA234 X159 – Suspended front axle lowering solenoid valveOpen circuit
FA235Short circuit to +12 V
FA236Short circuit to earth (-)
FA237 X161 – Solenoid valve 1 for suspended front axle suspensionOpen circuit
FA238Short circuit to +12 V
FA239Short circuit to earth (-)
FA241X139 – Suspended front axle switchShort circuit

Linkage error codes

No.Components concernedCauses
 R 11X27 – Rear linkage lifting solenoid valve Open circuit
X28 – Rear linkage lowering solenoid valve
R12X27 – Rear linkage lifting solenoid valveShort circuit
R13X28 – Rear linkage lowering solenoid valveShort circuit
R14X174 – Autotronic 4 transmission controllerNo CAN unlocking signal
  R  15X87 – Linkage lifting/lowering switch on right-hand fender  Incorrect signal
X97 – Linkage lifting/lowering switch on left-hand fender
R16 X177 – Autotronic 5 LinkageBattery voltage <11 V or >16 V
R17Checksum error
R18X119 – Rear linkage lifting/lowering switchIncorrect signal
R19X177 – Autotronic 5 LinkageParameter loss
R22X30 – Rear linkage position sensorIncorrect signal
R23X121 – Rear linkage height/depth adjustment thumb wheelIncorrect signal
R24X145 – PTO/linkage consoleIncorrect signal
No.Components concernedCauses
R31X32 – Rear linkage left-hand draft sensorIncorrect signal
R32X31 – Rear linkage right-hand draft sensorIncorrect signal
R33Front linkage suspension sensorSignal incorrect or incorrect calibration
R34X145 – PTO/linkage consoleIncorrect signal
R35X145 – PTO/linkage consoleIncorrect signal
R36X145 – PTO/linkage consoleIncorrect signal
R41X32 – Rear linkage left-hand draft sensorSaturation
R42X31 – Rear linkage right-hand draft sensorSaturation

Suspended cab error codes

No.Components concernedCauses
C21 X261 – Front right-hand unit for suspended cabOpen circuit
C22Short circuit to +12 V
C23Short circuit to earth (-)
C24 X262 – Front left-hand unit for suspended cabOpen circuit
C25Short circuit to +12 V
C26Short circuit to earth (-)
C27 X50 – Suspended cab front lowering solenoid valveOpen circuit
C28Short circuit to +12 V
C29Short circuit to earth (-)
C30 X49 – Suspended cab rear lowering solenoid valveOpen circuit
C31Short circuit to +12 V
C32Short circuit to earth (-)
C33 X48 – Rear left-hand unit for suspended cabOpen circuit
C34Short circuit to +12 V
C35Short circuit to earth (-)
C36 X47 – Rear right-hand unit for suspended cabOpen circuit
C37Short circuit to +12 V
C38Short circuit to earth (-)
C39 X54 – Suspended cab lifting solenoid valveOpen circuit
C40Short circuit to +12 V
C41Short circuit to earth (-)
C42X48 – Rear left-hand position sensorRange error
C43X262 – Front left-hand position sensorRange error
C44X47 – Rear right-hand position sensorRange error
C45X261 – Front right-hand position sensorRange error

Armrest error codes

No.Components concernedCauses
AR01X104 – Armrest Autotronic 510 V output fault
AR02X104 – Armrest Autotronic 5VIN Error – Vehicle electronic identification incorrect
AR11 X307 – FingerTIP 1Short circuit 0 V
AR12Short circuit to 12 V
AR21 X308 – FingerTIP 2Short circuit 0 V
AR22Short circuit to 12 V
AR31 X108 – FingerTIP 3Short circuit 0 V
AR32Short circuit to 12 V
No.Components concernedCauses
AR41 X109 – FingerTIP 4Short circuit 0 V
AR42Short circuit to 12 V
AR51 X110 – FingerTIP 5Short circuit 0 V
AR52Short circuit to 12 V
AR61 X130 – FingerTIP 6 front linkage functionShort circuit 0 V
AR62Short circuit to 12 V
AR71 X122 – Hand throttleShort circuit 0 V
AR72Short circuit to 12 V
AR81X121 – Rear linkage height/depth adjustment thumb wheelShort circuit 0 V
AR82Short circuit to 12 V
AR91 X106 – Transmission lever in armrestShort circuit 0 V
AR92Short circuit to 12 V