John Deere DTCs The engine control unit (ECU) Fault Codes List
While the list of diagnostic trouble codes provided is not comprehensive, it includes the codes that may occur while operating the tractor and the corresponding solutions that can be implemented by the driver. In many cases, these codes can be resolved by turning the ignition key off and on or by following the instructions on the CommandCenter™ page before repeating the ignition process.
If the issue persists or if there are any uncertainties, it is recommended to reach out to your authorized John Deere™ dealer.
| Troubleshooting Code | System | Solution |
| ECU 000051.14 | Motor system | Failure of the EGR system. Engine power is limited. |
| ECU 000094.17 | Motor system | The fuel pressure is low. Check the fuel supply and filters. |
| ECU 000094.18 | Motor system | The fuel pressure is low. Engine power is limited. Check the fuel supply and filters. |
| ECU 000097.16 | Motor system | Separator is full. Engine power is limited. Merge separator. |
| ECU 000100.01 | Motor system | Oil pressure is low. Engine power is limited. Check the oil level in the engine. |
| ECU 000100.18 | Motor system | Oil pressure is low. Engine power is limited. Check the oil level in the engine. |
| ECU 000101.00 | Motor system | The pressure in the crankcase is high. Engine power is limited. Check the gas breakout filter. |
| ECU 000101.16 | Motor system | The pressure in the crankcase is high. Check the gas breakout filter. |
| ECU 000103.00 | Motor system | Turbocharger speed is high. Engine power is limited. Reduce the load and speed of the engine. |
| ECU 000105.00 | Motor system | The air temperature in the inlet manifold is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 000105.15 | Motor system | The air temperature in the inlet manifold is high. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 000105.16 | Motor system | The air temperature in the inlet manifold is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 000107.00 | Motor system | Clogged engine air filter. Engine power is limited. Clean or replace the air filter. |
| ECU 000107.15 | Motor system | Clogged engine air filter. Clean or replace the air filter. |
| ECU 000107.16 | Motor system | Clogged engine air filter. Engine power is limited. Clean or replace the air filter. |
| ECU 000109.01 | Motor system | The coolant pressure is low. Engine power is limited. |
| ECU 000109.17 | Motor system | The coolant pressure is low. Check the sealed lid and the sealing in the cooling system. |
| ECU 000109.18 | Motor system | The coolant pressure is low. Engine power is limited. Check the sealed lid and the sealing in the cooling system. |
| ECU 000109.31 | Motor system | The coolant pressure is low. Check the sealed lid and the sealing in the cooling system. |
| ECU 000110.00 | Motor system | The engine coolant temperature is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 000110.15 | Motor system | The engine coolant temperature is high. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 000110.16 | Motor system | The engine coolant temperature is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 000110.17 | Motor system | The engine coolant temperature is low. Check the cooling system. |
| ECU 000111.01 | Motor system | The coolant level is low. Engine power is limited. Fill the coolant and inspect for leakage. |
| ECU 000111.07 | Motor system | Malfunction of the cooling fluid level circuit. The coolant level monitor does not work. Check the coolant level. |
| ECU 000111.17 | Motor system | The coolant level is below the service switch. Pour the coolant. |
| ECU 000111.18 | Motor system | The coolant level is low. Fill the coolant and inspect for leakage. |
| ECU 000157.17 | Motor system | The pressure in the fuel line is low at startup. Check the filters and fuel level. |
| ECU 000168.01 | Electrical system | The battery voltage is low. |
| ECU 000174.00 | Motor system | The fuel temperature is high. Engine power is limited. Check the cooling system for no contamination. |
| ECU 000174.16 | Motor system | The fuel temperature is high. Check the cooling system for no contamination. |
| ECU 000190.00 | Motor system | The engine speed is high. Reduce engine speed. |
| ECU 000412.00 | Motor system | The EGR temperature is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 000412.15 | Motor system | The EGR temperature is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 000412.16 | Motor system | The EGR temperature is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 000641.16 | Motor system | The drive temperature is turbocharger high. Reduce the load and speed of the engine. |
| ECU 000651.02 | Motor system | Fuel Nozzle Error No. 1. Engine speed is limited. |
| ECU 000651.13 | Motor system | Fuel Nozzle Calibration Error No. 1. Engine speed is limited. |
| ECU 000652.02 | Motor system | Fuel Nozzle Error No. 2. Engine speed is limited. |
| ECU 000652.13 | Motor system | Fuel Nozzle Calibration Error No. 2. Engine speed is limited. |
| ECU 000653.02 | Motor system | Fuel Nozzle Error No. 3. Engine speed is limited. |
| ECU 000653.13 | Motor system | Fuel Nozzle Calibration Error No. 3. Engine speed is limited. |
| ECU 000654.02 | Motor system | Fuel Nozzle Error No. 4. Engine speed is limited. |
| ECU 000654.13 | Motor system | Fuel Nozzle Calibration Error No. 4. Engine speed is limited. |
| ECU 000655.02 | Motor system | Fuel Nozzle Error No. 5. Engine speed is limited. |
| ECU 000655.13 | Motor system | Fuel Nozzle Calibration Error No. 5. Engine speed is limited. |
| ECU 000656.02 | Motor system | Fuel Nozzle Error No. 6. Engine speed is limited. |
| ECU 000656.13 | Motor system | Fuel Nozzle Calibration Error No. 6. Engine speed is limited. |
| ECU 000970.31 | Immobilizer System | Key or control block authentication failed. Engine control Unit has issued a command to switch off the engine. Check if the machine has the correct key. Restart the engine to try to repair the machine. |
| ECU 001075.02 | Motor system | Failure of the electric fuel pump. The fuel system does not work. |
| ECU 001075.04 | Motor system | Malfunction of the circuit of the electric fuel pump. The fuel system does not work. |
| ECU 001075.06 | Motor system | Malfunction of the circuit of the electric fuel pump. The fuel system does not work. |
| ECU 001075.09 | Motor system | Failure of the electric fuel pump. The fuel system does not work. |
| ECU 001110.31 | Motor system | Stop to protect the engine. |
| ECU 001136.00 | Motor system | The internal temperature of the engine control unit is high. The speed of the engine is limited. |
| ECU 001180.00 | Motor system | The exhaust gas temperature is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 001180.16 | Motor system | The exhaust gas temperature is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 001639.01 | Motor system | Engine fan speed is low. Check the fan drive system. |
| ECU 002630.00 | Motor system | The temperature of the forced air cooler is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 002630.15 | Motor system | The forced air cooler outlet temperature is high. Check the cooling system for no contamination. |
| ECU 002630.16 | Motor system | The forced air cooler outlet temperature is high. Engine power is limited. Reduce the load and speed of the engine. Check the cooling system for no contamination. |
| ECU 002790.16 | Motor system | The turbocharger outlet temperature is high. Engine power is limited. Reduce the load and speed of the engine. |
| ECU 003246.00 | Exhaust Gas Filtration System | The temperature on the exhaust filter release is high. Engine power is limited. |
| ECU 003480.01 | Exhaust Gas Filtration System | Error fuel metering inlet pressure. Active cleaning of the exhaust filter is not available. |
| ECU 003480.03 | Exhaust Gas Filtration System | Malfunction of the circuit of the fuel metering pressure sensor. Active cleaning of the exhaust filter is not available. |
| ECU 003480.04 | Exhaust Gas Filtration System | Malfunction of the circuit of the fuel metering pressure sensor. Active cleaning of the exhaust filter is not available. |
| ECU 003482.16 | Exhaust Gas Filtration System | Malfunction of the fuel metering shut valve. Active cleaning of the exhaust filter is not available. |
| ECU 003711.14 | Exhaust Gas Filtration System | The temperature at the inlet of the exhaust gas filter is not reached. Active cleaning of the exhaust filter is not available. |
| ECU 003711.31 | Exhaust Gas Filtration System | The temperature at the inlet of the exhaust gas filter is not reached. Active cleaning of the exhaust filter is not available. |
| ECU 003719.00 | Exhaust Gas Filtration System | Exhaust gas filter clogged. Engine power is limited. |
| ECU 003719.13 | Exhaust Gas Filtration System | The exhaust gas filtration system requires maintenance. |
| ECU 003719.14 | Exhaust Gas Filtration System | Exhaust gas filter clogged. Engine power is limited. Initiate service cleanup. |
| ECU 003719.16 | Exhaust Gas Filtration System | Exhaust gas filter clogged. Engine power is limited. Start cleaning the filter in the parked state on the engine settings page according to the driver manual. |
| ECU 003720.15 | Exhaust Gas Filtration System | The ash content in the exhaust gas filter is high. Filter maintenance. |
| ECU 003720.16 | Exhaust Gas Filtration System | The ash content in the exhaust gas filter is high. Filter maintenance. |
| ECU 003936.00 | Exhaust Gas Filtration System | Unexpected temperature in the exhaust gas filter. Engine power is limited. |
| ECU 004766.16 | Exhaust Gas Filtration System | The temperature of the exhaust gas filter is higher than expected. Active cleaning of the exhaust filter is not available. |
| ECU 004766.17 | Exhaust Gas Filtration System | System cleanup error. Cannot continue cleanup. |
| ECU 004766.18 | Exhaust Gas Filtration System | System cleanup error. Cannot continue cleanup. |
| ECU 004795.31 | Exhaust Gas Filtration System | The exhaust filter is missing or severely damaged. Engine power is limited. |
| ECU 005018.00 | Exhaust Gas Filtration System | Unexpected temperature in the exhaust gas filter. Engine power is limited. |