The “John Deere Fault Code List” serves as a comprehensive reference for diagnosing and troubleshooting issues within John Deere machinery.
This list comprises error codes generated by the equipment’s onboard diagnostic systems, indicating specific problems or malfunctions. By decoding these fault codes, technicians and operators gain valuable insights into the underlying issues affecting the equipment’s performance.
This resource streamlines maintenance and repair processes, enabling timely interventions and minimizing downtime. Whether for agricultural, construction, or other applications, understanding these fault codes is essential for efficient and effective management of John Deere equipment.
Purpose of the John Deere Fault Codes
i. Diagnostic Precision
The fault codes list is designed to provide a precise and systematic approach to identifying issues within John Deere machinery. Each code corresponds to a specific problem, allowing technicians to quickly pinpoint the root cause of a malfunction.
ii. Efficient Troubleshooting
Instead of relying solely on manual inspections, the fault John Deere codes streamline the troubleshooting process. When a machine displays a code, it accelerates the identification of the problem area, expediting repairs and reducing the downtime.
iii. Timely Maintenance
By promptly addressing issues indicated by fault codes, maintenance can be scheduled based on actual needs rather than fixed intervals. This approach optimizes the lifespan of components, preventing potential breakdowns and extending the equipment’s operational life.
iv. Remote Monitoring
The fault codes list enhances remote monitoring capabilities. These codes can be transmitted to a central system for fleet management or large operations, allowing supervisors to assess machine health and allocate resources effectively.
v. Data-Driven Insights
Analyzing recurring fault codes over time provides insights into potential design flaws, recurrent problems, or the need for specialized training. This data-driven approach aids in continuous improvement of equipment design and operational practices.
John Deere Fault Code List
A). E00 Tailings Control Unit Diagnostic Trouble Codes
| Fault Code | Description |
| E00 190 09 3 | CAN Bus message missing from Engine Control Unit |
| E00 628 12 2 | Controller cannot exit boot block program. |
| E00 630 11 2 | EEPROM failed test at power up. |
| E00 639 09 3 | CAN Bus messages are not received by the Tailings Control Unit in a timely manner. |
| E00 1493 11 3 | Tailings system failure. Cause unknown. |
| E00 1493 15 3 | Tailings system calibration is out of range high |
| E00 1493 17 3 | Tailings system calibration is out of range low |
| E00 1494 08 3 | Stuck photo receiver detected in Master Tailings Sensor |
| E00 1494 11 3 | Master Tailings Sensor failure |
| E00 1495 08 3 | Stuck photo receiver detected in Slave Tailings Sensor |
| E00 1495 11 3 | Slave Tailings Sensor failure. |
| E00 1496 07 3 | Tailings elevator paddle missing |
| E00 1511 09 3 | CAN Bus message missing from Right Control Unit |
B). E01 – Header Control Unit Diagnostic Trouble Codes
| Fault Code | Description |
| E01 84 09 3 | CAN Bus message missing from Cornerpost Control Unit |
| E01 190 09 3 | CAN Bus message missing from Engine Control Unit |
| E01 627 03 1 | Controller Supply voltage out of range high – greater than 16 V DC |
| E01 628 12 1 | Controller cannot exit boot block program. Disconnect Header Control Unit connector X205. Replace Header Control Unit if condition persists. |
| E01 630 11 3 | System not calibrated or EEPROM failed test at power up |
| E01 639 13 3 | Multiple CAN Bus messages have not been received by the Header Control Unit in a timely manner. |
| E01 1079 03 2 | Height Sensor Power (cc# 481) voltage is too high – greater than 5.25 V DC |
| E01 1079 04 2 | Height Sensor Power (cc# 481) voltage is too low – less than 4.75 V DC. |
| E01 1080 03 2 | Height Sensor Power 2 (cc# 471) voltage is too high – greater than 5.25 V DC |
| E01 1080 04 2 | Height Sensor Power 2 (cc# 471) voltage is too low – less than 4.75 V DC. |
| E01 1515 13 2 | HEADERTRAK system not calibrated for currently attached header |
| E01 1516 13 2 | HEADERTRAK – Ground Pressure system not calibrated for currently attached header. |
| E01 1517 04 2 | Header Raise Pressure (cc# 706) voltage is too low – less than 0.25 V DC |
| E01 1518 02 3 | Circuit codes 436, 487, 488, and 489 changed while the HEADERTRAK was in the automatic mode |
| E01 1518 07 3 | Header not connected or invalid connection |
| E01 1518 14 3 | Cannot activate HEADERTRAK Stubble Height or HEADERTRAK Tilt Header sensors are not available. |
| E01 1519 11 2 | Header raise valve driver detects an open, short, over voltage, or over temperature condition |
| E01 1520 11 2 | Header lower valve driver detects an open, short, over voltage, or over temperature condition. |
| E01 1521 11 2 | Tilt left valve driver detects an open, short, over voltage, or over temperature condition. |
| E00 1565 09 3 | CAN Bus message missing from Armrest Control Unit – Header and Separator Engaged |
| E01 1522 11 2 | Tilt right valve driver detects an open, short, over voltage, or over temperature condition. |
| E01 1524 11 3 | Reel forward valve driver detects an open, short, over voltage, or over temperature condition |
| E01 1525 11 3 | Reel Aft valve driver detects an open, short, over voltage, or over temperature condition. |
| E01 1526 11 3 | Reel Raise valve driver detects an open, short, over voltage, or over temperature condition. |
| E01 1527 11 3 | Reel Lower valve driver detects an open, short, over voltage, or over temperature condition. |
| E01 1528 11 3 | Drop Rate valve driver detects an open, short, over voltage, or over temperature condition. |
| E01 1529 11 3 | Accumulator Shutoff valve driver detects an open, short, over voltage, or over temperature condition |
| E01 1531 06 2 | Reel Speed Increase driver detects an open, short, over voltage, or over temperature condition |
| E01 1532 06 2 | Reel Speed Decrease driver detects an open, short, over voltage, or over temperature condition. |
| E01 1533 03 2 | HEADERTRAK – Return to Cut Sensor (cc# 828) voltage is too high – greater than 4.5 V DC. Faulty device or wiring. |
| E01 1533 04 2 | HEADERTRAK – Return to Cut Sensor (cc# 828) voltage is too low – less than 0.5 V DC. Faulty device or wiring. |
| E01 1534 03 2 | Left HEADERTRAK Sensor (cc# 412) voltage is too high – greater than 4.5 V DC. Faulty device or wiring. |
| E01 1534 04 2 | Left HEADERTRAK Sensor (cc# 412) voltage is too low less than 0.5 V DC. Faulty device or wiring. |
| E01 1535 03 2 | Right HEADERTRAK Sensor (cc# 454) voltage is too high – greater than 4.5 V DC. Faulty device or wiring |
| E01 1535 04 2 | Right HEADERTRAK Sensor (cc# 454) voltage is too low – less than 0.5 V DC. Faulty device or wiring |
| E01 1536 03 2 | Center HEADERTRAK Sensor (cc# 414) voltage is too high – greater than 4.5 V DC. Faulty device or wiring. |
| E01 1536 04 2 | Center HEADERTRAK Sensor (cc# 414) voltage is too low – less than 0.5 V DC. Faulty device or wiring. |
| E01 1537 03 3 | Reel Fore/Aft Position Sensor or Deck Plate Position Sensor (cc# 834) voltage too high – greater than 4.5 V DC. |
| E01 1538 03 3 | Reel Height Sensor (cc# 835) voltage too high – greater than 4.5 V DC. Faulty device or wiring. |
| E01 1538 04 3 | Reel Height Sensor (cc# 835) voltage too low – less than 0.5 V DC. Faulty device or wiring. |
| E01 1539 03 3 | HEADERTRAK Angle Sensor (cc# 833) voltage too high – greater than 4.5 V DC. Faulty device or wiring. |
| E01 1539 04 3 | HEADERTRAK Angle Sensor (cc# 833) voltage too low – less than 0.5 V DC. Faulty device or wiring. |
| E01 1541 02 2 | Reel speed unknown |
| E01 1544 09 3 | CAN Bus message missing from Armrest Control Unit – Multifunction Lever Switch Status |
C). E02 – Right Control Unit Diagnostic Trouble Codes
| Fault Code | Description |
| E02 96 03 3 | Fuel Level Signal (cc# 652) voltage is too high – greater than 1.96 V DC |
| E02 96 04 3 | Fuel Level Signal (cc# 652) voltage is too low – less than 0.12 V DC. |
| E02 627 03 1 | Electronic Power (cc# 021) voltage is too high – greater than 16 V DC. |
| E02 628 12 1 | Controller cannot exit boot block program |
| E02 630 11 2 | EEPROM failed test on power up. |
| E02 639 09 3 | CAN Bus messages are not received by the Right Control Unit in a timely manner. |
| E02 639 19 2 | CAN Bus messages are not being transmitted or received correctly. |
| E02 1498 09 3 | CAN Bus message missing from Cornerpost Control Unit – Machine Configuration |
| E02 1500 09 3 | CAN Bus message missing from Cornerpost Control Unit – Machine Configuration |
| E02 1500 11 3 | CAN Bus message from Cornerpost Control Unit invalid – Machine Configuration. |
| E02 1508 03 2 | Hydraulic Oil Temperature Sensor (cc# 775) voltage is too high – greater than 4.97 V DC |
| E02 1509 03 2 | Main Gearcase Oil Temperature Sensor (cc# 774) voltage is too high – greater than 4.97 V DC |
| E02 1510 03 3 | Chopper Vane Angle Sensor out of calibration |
| E02 1565 09 3 | CAN Bus message missing from Armrest Control Unit – Discrete Input Status |
D). E03 – Left Control Unit Diagnostic Trouble Codes
| Fault Code | Description |
| E03 190 09 3 | CAN Bus message(s) missing from Engine Control Unit – Engine Speed |
| E03 627 03 1 | Electronic Power (cc# 021) voltage is too high – greater than 15.5 V DC |
| E03 628 12 1 | Controller cannot exit boot block program. |
| E03 630 11 3 | EEPROM failed test on power up. Replace the Left Control Unit if condition persists. |
| E03 639 19 3 | CAN Bus messages are not being transmitted or received correctly. |
| E03 876 11 2 | The CLIMATRAK Compressor driver detects an open, short, over voltage, or over temperature condition. |
| E03 1497 11 3 | Unloading Auger Engage driver detects an open, short, over voltage, or over temperature condition |
| E03 1500 09 3 | CAN Bus message(s) missing from Cornerpost Control Unit – Ground Speed and/or Machine Configuration. |
| E03 1503 09 3 | CAN Bus message(s) missing from Armrest Control Unit |
| E03 1515 09 3 | CAN Bus message(s) missing from Header Control Unit |
| E03 200112 03 2 | 12 V DC is detected at the output of Grain Tank Cover Fold relay (K7) of the Control Relay Board when it is not energized. |
| E03 200112 04 2 | 12 V DC is not detected at the output of Grain Tank Cover Fold relay (K7) of the Control Relay Board when it is energized |
| E03 200126 11 3 | The Unloading Auger Swing In driver or the Unloading Auger Swing Out driver detects an open, short, over voltage, or over temperature condition. |
| E03 200128 03 1 | HILLMASTER II Engage is not ON, but 12 V DC is detected on the Hillmaster Engage Signal (cc# 447) of the Left Control Unit |
| E03 200128 04 1 | Hillmaster Engage Signal (cc# 447) is not 12 V DC when ON. |
| E03 200129 11 3 | The Combine Lower driver detects an open, short, over voltage, or over temperature condition |
| E03 200132 11 1 | The Left Brake Light driver detects an open, short, over voltage, or over temperature condition |
| E03 200133 11 1 | The Right Brake Light driver detects an open, short, over voltage, or over temperature condition. |
| E03 200134 11 1 | The Left Marker Light driver detects an open, short, over voltage, or over temperature condition |
| E03 200135 11 1 | The Right Marker Light driver detects an open, short, over voltage, or over temperature condition |
| E03 200137 11 2 | The Feeder House Reverser driver detects an open, short, over voltage, or over temperature condition |
| E03 200140 03 2 | 12 V DC detected on Ground (cc# 010) of Control Relay Board. Indicates problem with ground connections |
| E03 200141 04 2 | 12 V DC not detected on Unswitched Electronic Power (cc# 022) of Control Relay Board. |
| E03 200142 04 2 | 12 V DC not detected on Light Power (cc# 014) of Control Relay Board. |
| E03 200143 04 2 | 12 V DC not detected on Control Power (cc# 016) of Control Relay Board. Indicates problem with Control Power connection, wiring, Fuse F8 or Relay K4 of the Engine Compartment Relay Panel |
| E03 200144 04 2 | 12 V DC not detected on Light Power 2 (cc# 046) of Control Relay Board. |
| E03 200145 04 2 | 12 V DC not detected on Light Power 3 (cc# 047) of Control Relay Board. |
| E03 200146 04 3 | 12 V DC not detected on Light Power 4 (cc# 048) of Control Relay Board |
| E03 200147 04 2 | 12 V DC not detected on Fan Speed Adjust Power (cc# 051) of Control Relay Board. |
| E03 200148 04 2 | 12 V DC not detected on Light Power 5 (cc# 049) of Control Relay Board. |
| E03 200149 11 2 | Indicates a problem in the serial communication link between the Left Control Unit and the Control Relay Board. |
E). C00 – Armrest Control Unit Diagnostic Trouble Codes
| Fault Code | Description |
| C00 158 04 3 | Control Circuit Power (cc# 023) is below 10.5 V DC. |
| C00 170 03 3 | CLIMATRAK Cab Air Temperature Sensor voltage too high – greater than 4.8 V DC |
| C00 170 04 3 | CLIMATRAK Cab Air Temperature Sensor voltage too low – less than 0.1 V DC |
| C00 172 03 3 | CLIMATRAK Outside Air Temperature Sensor voltage too high – greater than 4.8 V DC. |
| C00 172 04 3 | CLIMATRAK Outside Air Temperature Sensor voltage too low – less than 0.1 V DC. |
| C00 190 09 3 | CAN Bus message missing from Engine Control Unit – Engine Speed |
| C00 605 04 3 | CLIMATRAK Lo Pressure Switch (cc#914) is 12 V DC. A CAN Bus message from the Left Control Unit indicates that the CLIMATRAK Hi Pressure Switch (cc#915) is 0 V DC |
| C00 627 03 1 | Delayed Power (cc# 006) voltage is above 16 V DC. High voltage situation must be resolved. |
| C00 627 04 3 | Delayed Power (cc# 006) is below 10.5 V DC. |
| C00 628 12 1 | Controller cannot exit boot block program. Disconnect Armrest Control Unit connectors X653 and X654 |
| C00 630 11 1 | Controller failed EEPROM test at power-up. Replace Armrest Control Unit if condition persists. |
| C00 639 19 3 | CAN Bus messages are not being transmitted or received correctly |
| C00 875 04 3 | CAN Bus message from Left Control Unit indicates that CLIMATRAK Clutch Signal (cc# 913) is 12 V DC |
| C00 1490 08 2 | Backshaft speed unknown |
| C00 1498 11 3 | The header engage output transistor detects an open, short, over voltage, or over temperature condition |
| C00 1499 11 3 | The separator engage output transistor detects an open, short, over voltage, or over temperature condition. |
| C00 1499 12 2 | The Separator Engage fault detection circuit indicates a failure |
| C00 1504 11 1 | The Seat Switch has been closed continuously for 6 hours |
| C00 1505 03 3 | HEADERTRAK Sensitivity Adjust voltage is too high – greater than 4.5 V DC. |
| C00 1505 04 3 | HEADERTRAK Sensitivity Adjust voltage is too low – less than 0.5 V DC. |
| C00 1506 03 3 | HEADERTRAK Rate Adjust voltage is too high – greater than 4.5 V DC. |
| C00 1506 04 3 | HEADERTRAK Rate Adjust voltage is too low – less than 0.5 V DC |
| C00 1505 10 3 | HEADERTRAK Rate Adjust calibration fault: |
| C00 1547 03 3 | CLIMATRAK Core Temperature Sensor voltage too high – greater than 4.47 V DC. |
| C00 1547 04 3 | CLIMATRAK Core Temperature Sensor voltage too low – less than 0.1 V DC |
| C00 1548 03 3 | CLIMATRAK Outlet Air Temperature Sensor voltage too high – greater than 4.8 V DC |
| C00 1548 04 3 | CLIMATRAK Outlet Air Temperature Sensor voltage too low – less than 0.1 V DC. |
| C00 1549 07 3 | CLIMATRAK Water Valve position is greater than 30% different than the commanded position. |
| C00 200011 03 3 | CLIMATRAK Solar Sensor voltage is too high – greater than 4.8 V DC. |
| C00 200011 04 3 | CLIMATRAK Solar Sensor voltage is too low – less than 1.5 V DC |
| C00 200017 09 3 | CAN Bus message(s) missing from Cornerpost Control Unit. |
| C00 200018 09 3 | CAN Bus message(s) missing from Left Control Unit. |
| C00 200201 11 3 | Separator Engage Switch inputs are incorrect. |
| C00 200202 11 3 | Header Engage Switch inputs are incorrect. |
F). C03 – Cornerpost Control Unit Diagnostic Trouble Codes
| Fault Code | Description |
| C03 96 09 3 | CAN Bus message missing from Right Control Unit – Fuel Level. |
| C03 110 09 3 | CAN Bus message missing from Engine Control Unit – Engine Coolant Temperature |
| C03 190 09 3 | CAN Bus message missing from Engine Control Unit – Engine Speed |
| C03 627 03 3 | Delayed Power (cc# 006) voltage out of range high – greater than 16 V DC |
| C03 628 12 1 | Controller cannot exit boot block program. Disconnect Cornerpost Control Unit connector X500 |
| C03 630 11 1 | EEPROM failed test at power up. Replace Cornerpost Control Unit if condition persists. |
| C03 639 19 3 | CAN Bus messages are not being transmitted or received correctly |
| C03 1079 03 3 | Concave Position Sensor supply voltage high – greater than 5.5 V DC. |
| C03 1079 04 3 | Concave Position Sensor supply voltage low – less than 4.5 V DC. |
| C03 1486 03 3 | Concave Position Sensor voltage is too high – greater than 4.5 V DC. |
| C03 1486 04 3 | Concave Position Sensor voltage is too low – less than 0.5 V DC. |
| C03 1487 03 3 | Dimmer voltage is too high – greater than 4.5 V DC. |
| C03 1487 04 3 | Dimmer voltage is too low – less than 0.5 V DC. |
| C03 1492 08 3 | Cab interior backlighting output transistor detects an open, short, over voltage, or over temperature condition. |
| C03 1493 09 3 | AN Bus message missing from Master Tailings Sensor – Tailings Volume |
| C03 1500 11 3 | A switch on Cornerpost Display Unit 1 is closed for longer than 30 Seconds. |
| C03 1501 11 3 | A switch on Cornerpost Display Unit 2 is closed for longer than 30 Seconds |
| C03 1502 11 3 | A switch on Cornerpost Display Unit 3 is closed for longer than 30 Seconds. |
| C03 1503 09 3 | CAN Bus message missing from Armrest Control Unit – Armrest Switch Status |
| C03 1510 09 3 | CAN Bus message missing from Right Control Unit – Combine Temperatures |
| C03 1511 09 3 | CAN Bus message missing from Right Control Unit – Grain Loss |
| C03 1515 09 3 | CAN Bus message missing from Header Control Unit – Header Data |
| C03 1552 03 3 | CLIMATRAK Temperature Setpoint Adjust voltage too high – greater than 4.5 V DC. |
| C03 1552 04 3 | CLIMATRAK Temperature Setpoint Adjust voltage too low – less than 0.5 V DC. |
| C03 1552 13 3 | CLIMATRAK Temperature Setpoint Adjust not calibrated. |
| C03 1553 03 3 | CLIMATRAK Fan Speed Adjust voltage too high – greater than 4.5 V DC. |
| C03 1553 04 3 | CLIMATRAK Fan Speed Adjust voltage too low – less than 0.5 V DC. |
| C03 1553 13 3 | CLIMATRAK Fan Speed Adjust not calibrated. |
| C03 1565 09 3 | CAN Bus message missing from Armrest Control Unit – Separator and Header Engage Status Control Unit SPN FMI Pri. Description |
| C03 1567 09 3 | CAN Bus message missing from Header Control Unit – Control Mode |
| C03 100100 09 3 | CAN Bus message missing from Left Control Unit – System Data |
| C03 100101 09 3 | CAN Bus message missing from Left Control Unit – System Data |
| C03 100106 11 3 | A switch on Cornerpost Display Unit 4 is closed for longer than 30 Seconds. |
G). A00 – Engine Control Unit Diagnostic Trouble Codes
| Fault Code | Description |
| A00 91 09 3 | Throttle input not valid or not received |
| A00 94 01 1 | Fuel flow too low – less than 80kPa / 11.6 PSI (9540) |
| A00 94 03 1 | Fuel Pressure Sensor (cc# 131) voltage out of range high – greater than 4 V DC |
| A00 94 04 1 | Fuel Pressure Sensor (cc# 131) voltage out of range low. (9640, 9560, 9660, 9580, 9680) |
| A00 94 10 2 | The rail pressure drops too fast when the engine is motoring and the high pressure pump is off. |
| A00 94 13 1 | Fuel Pressure Sensor reading is incorrect. |
| A00 94 17 2 | During starting, rail pressure is not developed after a short time cranking. |
| A00 94 18 2 | Fuel pressure too low – less than 100 kPa / 14.7 PSI at low idle. |
| A00 97 03 2 | Water in Fuel Sensor (cc# 136) voltage out of range high |
| A00 97 04 2 | Water in Fuel Sensor (cc# 136) voltage out of range low (9640, 9560-Engine Type B, 9660, 9580, 9680) |
| A00 97 31 2 | Water is detected in fuel. (9640, 9560-Engine Type B, 9660, 9580, 9680) |
| A00 100 01 1 | Oil Pressure Sensor is open after engine rpm is above cranking speed. |
| A00 100 04 2 | Oil Pressure Sensor is closed when engine is not running (9640, 9560, 9660, 9580, 9680) |
| A00 105 00 1 | Engine Manifold Air Temperature Sensor is above 100°C (9560-Engine Type C only) |
| A00 105 03 2 | Engine Manifold Air Temperature Sensor voltage is out of range high. |
| A00 105 04 2 | Engine Manifold Air Temperature Sensor voltage is out of range low |
| A00 105 16 2 | Engine Manifold Air temperature above 88°C / 190°F (moderately severe level). |
| A00 107 00 2 | Air Filter Restricted Switch indicates a plugged air filter |
| A00 110 00 1 | Engine coolant temperature above 115°C / 240°F (most severe level) |
| A00 110 03 2 | Engine Coolant Temperature Sensor voltage is out of range high. |
| A00 110 04 2 | Engine Coolant Temperature Sensor voltage is out of range low |
| A00 110 15 2 | Engine Coolant Temperature is above 105°C. (9560-Engine Type C) |
| A00 110 16 2 | Engine coolant temperature above 110°C / 230°F for 9640, 9560, 9660, 9580 and 9680 or above 100°C / 212°F for 9540 |
| A00 111 01 1 | Coolant level low. Engine coolant temperature above 125°C / 257°F |
| A00 158 17 2 | Controller not powered down properly. (9640, 9560, 9660, 9580, 9680) |
| A00 174 00 2 | Engine fuel temperature is too high (greater than 75°C / 167°F) |
| A00 174 03 2 | Engine Fuel Temperature Sensor voltage is out of range high |
| A00 174 04 2 | Engine Fuel Temperature Sensor voltage is out of range low |
| A00 174 15 2 | Engine Fuel Temperature Sensor voltage is out of range low |
| A00 174 16 2 | Engine fuel temperature above normal range (greater than 65°C / 149°F for 9640, 9560, 9660, 9580, 9680 or greater than 73°C / 163°F for 9540). |
| A00 174 31 2 | Engine Fuel Temperature Sensor is out of range |
| A00 189 00 3 | Low fuel pressure (9540) |
| A00 190 00 1 | Engine over-speed (greater than 2800 rpm). (9540) |
| A00 190 16 3 | Engine speed too high (greater than 2800 rpm) |
| A00 611 03 1 | The injector driver has detected a short to battery in the injector wiring. |
| A00 611 04 1 | The injector driver has detected a short to ground in the injector wiring |
| A00 627 01 2 | All injector currents are out of specification. |
| A00 627 04 2 | Engine Control Unit Power (cc# 042) missing at Engine Control Unit while Electronic Power (cc# 021) is on. (9540) |
| A00 629 19 2 | Engine Control Unit not receiving messages from Pump. (9540) |
| A00 632 02 2 | Fuel shutoff error condition detected. (9540) |
| A00 632 02 2 | Fuel shutoff error condition detected. (9540) |
| A00 632 05 2 | The Engine Control Unit does not detect a change in engine speed after the Key Switch is turned off. |
| A00 636 02 2 | Electrical noise detected on Pump Position Sensor + (cc# 172) and/or Pump Position Sensor – (cc# 173) |
| A00 636 08 2 | Pump Position Sensor signal is missing |
| A00 636 10 2 | Pump Position Sensor signal has incorrect pulse pattern |
| A00 637 02 2 | Electrical noise detected on Pump Position Sensor + (cc# 174) and/or Pump Position Sensor – (cc# 175) |
| A00 637 07 2 | Position relationship between Engine Speed Sensor and Pump Position Sensor not correct (9640, 9560, 9660, 9580, 9680) |
| A00 637 08 2 | Engine Speed Sensor signal is missing |
| A00 729 03 2 | Inlet Air Heater Relay Output (cc# 189) is high when Engine Control Unit is not energizing the Glow Plug Relay. (9540) |
| A00 729 05 2 | Inlet Air Heater Relay Output (cc# 189) is low when Engine Control Unit is energizing the Inlet Air Heater Relay. (9540) |
| A00 1076 02 2 | The High Pressure Solenoid within the pump is continuously energized, the Pump Control Unit is unable to detect closure of the High Pressure Solenoid Valve or the internal pump speed sensor is broken. (9540) |
| A00 1077 07 2 | The High Pressure Solenoid Valve is closed when the Engine Control Unit is commanding the Pump Control Unit to stop delivering fuel. (9540) |
| A00 1077 11 2 | The Pump Control Unit senses an abnormal voltage on Pump Power (cc# 061). (9540) |
| A00 1077 12 2 | The Pump Control Unit detects an error during a self test. (9540) |
| A00 1077 19 2 | The Pump Control Unit is not receiving any ECU/CAN messages while detecting a signal on Crank Speed Out (cc# 187). |
| A00 1077 31 | Injection Pump initiated engine protection due to Diagnostic Trouble Code |
| A00 1078 07 2 | The Pump Control Unit receives a crank signal from the Engine Control Unit that is moderately different than the internal timing within the Pump |
| A00 1078 11 2 | The Engine Control Unit detects a difference between the internal pump timing and engine speed. (9540) |
Troubleshooting John Deere Fault Codes
Code Interpretation
When encountering a fault code, the initial step is to consult the machine’s manual or reference the fault code list provided by John Deere. These resources offer detailed explanations of each code, aiding in understanding the nature of the issue.
Check for Immediate Causes
Some fault codes are triggered by temporary conditions, such as a loose connector or a sensor glitch. Technicians should perform a visual inspection to rule out simple causes before moving to more complex diagnostics.
Diagnostic Tools
Utilize diagnostic tools that can interface with the machine’s systems to retrieve additional information. These tools often provide real-time data that can help verify the accuracy of the fault code and identify associated problems.
Systematic Approach
Troubleshoot systematically, starting with the most common causes associated with the specific fault code. This might involve checking components related to fuel, air, electrical systems, or hydraulic functions, depending on the indicated issue.
Consult Experts
If the troubleshooting process becomes complex or the issue remains unresolved, seeking guidance from experienced technicians or John Deere’s technical support can provide valuable insights. They might offer specialized knowledge or recommend specific steps to take.
Common Mistakes While Using JD Tractors
- Overloading the tractor
- Ignoring proper maintenance
- Incorrect gear selection
- Improper ballasting
- Neglecting tire pressure
- Ignoring warning lights
- Not engaging the clutch properly
- Rough handling of controls
- Failing to follow safe operating practices
- Disregarding manufacturer guidelines
FAQs
Can you troubleshoot all John Deere fault codes?
While you can provide general guidance on troubleshooting John Deere fault codes, these codes’ complexity and underlying causes vary. Some codes might be straightforward to address with basic troubleshooting steps, but for more intricate issues, like why John Deere tractor keeps shutting off, consult the specific machine’s manual or seek professional assistance.
How do you reset a fault code?
Resetting a fault code generally involves rectifying the underlying issue. Once the problem is resolved, many fault codes will automatically clear after a set number of successful engine starts or operating cycles. Address the root cause to prevent recurrent issues and ensure the equipment’s optimal performance.
Do all John Deere equipment have the same fault codes?
No, different models and types of John Deere equipment can have unique fault codes tailored to their specific systems and components. While there might be some overlap in codes due to shared components or technologies, consult the manual or reference the fault code list for the specific equipment to diagnose and address issues accurately.
Conclusion
The “John Deere Fault Code List” serves as a vital tool for swiftly diagnosing and addressing issues within their machinery. Translating error codes into actionable insights empowers technicians to troubleshoot efficiently, enhancing equipment longevity and minimizing downtime.
However, navigating these codes requires a blend of technical knowledge and adherence to manufacturer guidelines. Embrace this resource to optimize operational efficiency and underscore the commitment to maintaining John Deere equipment’s peak performance and reliability.
After all, accurate interpretation and proactive resolution of these codes are paramount for seamless operations and continued success.