John Deere Tractors Fault Codes List: SPN 3719 FMI 10 to SPN 516316 FMI 6
Page 8 of 19 of the full John Deere Tractors fault code list (1,884 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.
John Deere Tractors codes SPN 3719 FMI 10 to SPN 516316 FMI 6
- SPN 3719 FMI 10Calculated Soot Load Rate of Change Abnormal
- SPN 3719 FMI 13Excessive DPF Recovery Attempts
- SPN 3719 FMI 14Calculated Soot Level Extremely High
- SPN 3719 FMI 15Automatic Exhaust Filter Cleaning Not Completed
- SPN 3719 FMI 16Calculated Soot Level Moderately High
- SPN 3720 FMI 15Calculated Ash Level Slightly High
- SPN 3720 FMI 16Calculated Ash Level Moderately High
- SPN 38Synchronization of Brightness with Brightness of Cab Instrument Panel, Configuration
- SPN 3841Wheel Angle Sensor Channel 1, Voltage Too High
- SPN 3841 FMI 1Wheel Angle Sensor Channel 1, Voltage Too Low
- SPN 3841 FMI 2Wheel Angle Sensor, Voltages in Channel 1 and Channel 2 Not in Correct Ratio
- SPN 3842Wheel Angle Sensor Channel 2, Voltage Too High
- SPN 3842 FMI 1Wheel Angle Sensor Channel 2, Voltage Too Low
- SPN 39Output for Windshield Wiper Motor (Slow), Current and Status
- SPN 3936Calculated Unintended Combustibles in DPF Extremely High
- SPN 3936 FMI 16Calculated Unintended Combustibles in DPF Moderately High
- SPN 3976 FMI 3Dome Light, Voltage Too High
- SPN 3976 FMI 5Dome Light, Current Too Low
- SPN 3976 FMI 6Dome Light, Current Too High
- SPN 4Air Conditioning Compressor Clutch, Status
- SPN 40Daytime Brightness Compared to Brightness of Cab Instrument Panel, Configuration
- SPN 4058 FMI 2Dome Light Switch Fault
- SPN 41Output for Right Low-Beam Headlight on Cab Frame, Current and Status
- SPN 412EGR Temperature Signal Extremely High
- SPN 412 FMI 15EGR Temperature Signal Slightly High
- SPN 412 FMI 16EGR Temperature Signal Moderately High
- SPN 412 FMI 3EGR Temperature Signal Out of Range High
- SPN 412 FMI 4EGR Temperature Signal Out of Range Low
- SPN 42Nighttime Brightness Compared to Brightness of Cab Instrument Panel, Configuration
- SPN 43Factory Set Current Value for Proportional Valve - Upper Threshold, Status
- SPN 4310 FMI 11Tractor-Implement Automation™, Malfunction
- SPN 4310 FMI 14Tractor-Implement Automation™ Deactivated
- SPN 4310 FMI 9Incorrect CAN BUS Message, Information from Implement
- SPN 4334DEF Dosing Unit Pressure Extremely High
- SPN 4334 FMI 1DEF Dosing Unit Pressure Extremely Low
- SPN 4334 FMI 11DEF Dosing Unit Pressure Signal Fault
- SPN 4334 FMI 16DEF Dosing Unit Pressure Moderately High
- SPN 4334 FMI 18DEF Dosing Unit Pressure Moderately Low
- SPN 4334 FMI 3DEF Dosing Unit Signal Out of Range High
- SPN 4334 FMI 31DEF Dosing Unit Pressure Fault
- SPN 4334 FMI 4DEF Dosing Unit Signal Out of Range Low
- SPN 4341 FMI 5DEF Dosing Unit Pressure Line Heater, Resistance Too High
- SPN 4341 FMI 6DEF Dosing Unit Pressure Line Heater, Resistance Too Low
- SPN 4343 FMI 5DEF Dosing Unit Return Line Heater, Resistance Too High
- SPN 4343 FMI 6DEF Dosing Unit Return Line Heater, Resistance Too Low
- SPN 4345 FMI 5DEF Dosing Unit Supply Line Heater, Resistance Too High
- SPN 4345 FMI 6DEF Dosing Unit Supply Line Heater, Resistance Too Low
- SPN 4360 FMI 12SCR Inlet Temperature Faulty
- SPN 4360 FMI 7SCR Inlet Temperature Fault
- SPN 4363 FMI 12SCR Outlet Temperature Faulty
- SPN 4364 FMI 1Catalytic Converter Efficiency of SCR System Extremely Low
- SPN 4364 FMI 17Catalytic Converter Efficiency of SCR System Slightly Low
- SPN 4364 FMI 18Catalytic Converter Efficiency of SCR System Moderately Low
- SPN 4366 FMI 16DEF Tank Heater Coolant Control Valve is Stuck Open
- SPN 4366 FMI 18DEF Tank Heater Coolant Control Valve is Stuck Closed
- SPN 4366 FMI 5DEF Tank Heater Coolant Valve, Resistance Too High
- SPN 4366 FMI 6DEF Tank Heater Coolant Valve, Resistance Too Low
- SPN 4376 FMI 14DEF Dosing System Powerdown Fault
- SPN 4376 FMI 5DEF Dosing Unit Reversing Valve, Resistance Too High
- SPN 4376 FMI 6DEF Dosing Unit Reversing Valve, Resistance Too Low
- SPN 44Status Displays for Adjustment of Brightness, Configuration
- SPN 441Control Software, Display Temperature Too High
- SPN 441 FMI 1Control Software, Display Temperature Too Low
- SPN 442Control Software, Display Temperature Too High
- SPN 442 FMI 1Control Software, Display Temperature Too Low
- SPN 444 FMI 3Control Software, Supply Voltage (BAT at Terminal J4) Too High
- SPN 444 FMI 4Control Software, Supply Voltage (BAT at Terminal J4) Too Low
- SPN 444 FMI 6Control Software, Current (Pin J4) Too High
- SPN 4490 FMI 12Intake Air Humidity Fault
- SPN 45Adjustment of Brightness for Backlighting, Configuration
- SPN 46Output for Console Light, Current and Status
- SPN 47Auto-Neutral Function for Rear PTO, EOL Configuration
- SPN 4765DOC Inlet Temperature Extremely High
- SPN 4766 FMI 12DOC Outlet Temperature Fault
- SPN 4766 FMI 15DOC Outlet Temperature Slightly High
- SPN 4766 FMI 16DOC Outlet Temperature Moderately High
- SPN 4766 FMI 17DOC Outlet Temperature Slightly Low
- SPN 4766 FMI 18DOC Outlet Temperature Moderately Low
- SPN 4795 FMI 13Exhaust Filter Calibration Fault
- SPN 4795 FMI 31DPF Missing
- SPN 48Left Trailer Turn-Signal Light, Display in Amps and Status
- SPN 49Output for Heated Rear Window Indicator Light, Current and Status
- SPN 5Suspended Front-Wheel Drive Axle Position Sensor, Voltage
- SPN 50Adjustment of Brightness for Backlighting, CAN BUS Message, Status
- SPN 5016 FMI 612-Volt Supply Voltage, Current Too High
- SPN 5018Calculated Unintended Combustibles in DOC Extremely High
- SPN 5018 FMI 16Calculated Unintended Combustibles in DOC Moderately High
- SPN 51Output for Backlighting of Radio and Backlighting of Switch for Electrical Outside Mirrors, Status
- SPN 5125 FMI 3Sensor Supply Voltage 7 Out of Range High
- SPN 5125 FMI 4Sensor Supply Voltage 7 Out of Range Low
- SPN 5126 FMI 3Sensor Supply Voltage 8 Out of Range High
- SPN 5126 FMI 4Sensor Supply Voltage 8 Out of Range Low
- SPN 5127 FMI 3Sensor Supply Voltage 9 Out of Range High
- SPN 5127 FMI 4Sensor Supply Voltage 9 Out of Range Low
- SPN 516122 FMI 3Stepper Motor for E-SCV X, Supply Voltage Too High
- SPN 516122 FMI 5Stepper Motor for E-SCV X, Current Too Low
- SPN 516122 FMI 6Stepper Motor for E-SCV X, Current Too High
- SPN 516123 FMI 14Battery Cut-Off Relay Mismatch
- SPN 516123 FMI 31Battery Cut-Off Relay Fault
- SPN 516316 FMI 612-Volt Supply Voltage, Current Too High
Other John Deere machine types
Fault code lists by brand
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- Challenger Tractor2,434 codes
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Safety-critical: confirm before use
Safety first: park on level ground, stop the engine, and secure the machine before any inspection. Thresholds, component locations, wire numbers, fuse locations, and reset procedures can vary by model, configuration, and serial number. Confirm them in the service documentation for your exact machine.