| Diagnostic Trouble Code | Display | Solution |
| Armrest Control Unit Diagnostic Trouble Codes (ACU) | ||
| ACU 000158.04 | Rear PTO system | ACU Switched Supply Voltage Low. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Have John Deere dealer repair as soon as possible. |
| ACU 000177.17 | Transmission Oil Temperature Low | Engine Speed Limited Due to Cold Oil. Slow engine speed to less than 1500 rpm until hydraulic oil temp is above -5 °C (23 °F). |
| ACU 000581.07 | Transmission System | Transmission Not Responding to Command. Have John Deere dealer repair as soon as possible. |
| ACU 000974.02 ACU 000974.03 | Operator Controls | Hand Throttle Circuit Voltage Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 000974.04 | Operator Controls | Rear PTO Circuit Voltage Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 001079.02 ACU 001079.03 ACU 001079.04 | Operator Controls | ACU Sensor Supply 1 Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ACU 001080.02 ACU 001080.03 ACU 001080.04 | Operator Controls | ACU Sensor Supply 2 Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ACU 002000.09 | Communication System | ECU Message Missing. Check fuse F24. Have John Deere dealer repair as soon as possible. |
| ACU 002003.09 | Communication System | PTI or PTP Message Missing. Have John Deere dealer repair as soon as possible. |
| ACU 002020.09 | Communication System | SFA Message Missing. Have John Deere dealer repair as soon as possible. |
| ACU 002049.09 | Communication System | CAB Message Missing. Check fuse F22. Have John Deere dealer repair as soon as possible. |
| ACU 523775.02 | Single Lever Control | Single Lever Control (If Equipped) – Hand Presence Switch Problem. Move hand to show operator is in place. If code still exists, have John Deere dealer repair at earliest convenience. |
| ACU 523776.02 ACU 523801.02 ACU 523804.02 ACU 523804.03 ACU 523804.04 ACU 523805.02 ACU 523805.03 ACU 523805.04 | Single Lever Control | Single Lever Control Problem. To keep working, use SCV III and IV controls. Go to CommandCenter and disable single lever control. Have John Deere dealer repair at earliest convenience. |
| ACU 523923.02 ACU 523923.03 ACU 523923.04 | Operator Controls | SCV I Control Lever Switch/Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| ACU 523953.02 ACU 523953.03 ACU 523953.04 | Operator Controls | Speed Control Lever Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 523954.07 | Operator Controls | Set Speed Adjuster Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 523955.31 | Transmission System | Engine Load to High in Manual Mode. Reduce load and/or ballast. If code returns, have John Deere dealer repair at earliest convenience. |
| ACU 523960.17 ACU 523960.31 | Operator Not In Seat | Operator Not Seated or Faulty Sensor. Check and repair if needed. |
| ACU 523961.02 | Transmission System | Park Engaged While in Gear. Restart tractor, operate tractor in forward gear. If code returns, have John Deere dealer repair at earliest convenience. |
| ACU 523961.07 | Transmission Not In Park | Park Lock Engagement Problem. Restart tractor. Operate vehicle slowly in forward gear. If code returns, have John Deere dealer repair at earliest convenience. |
| ACU 523962.31 | MFWD System | MFWD Speed Incorrect. Is a function of traction control. Very important if pulling trailers. Have John Deere dealer repair at earliest convenience. |
| ACU 523966.31 | Transmission Come Home Mode | Have John Deere dealer repair as soon as possible. |
| ACU 523970.02 ACU 523970.03 ACU 523970.04 | Operator Controls | Front Hitch Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 524020.31 | Operator Controls | Transmission In Gear At Start-Up. Restart vehicle with transmission in park. If code returns, have John Deere dealer repair at earliest convenience. |
| ACU 524014.31 ACU 524017.13 ACU 524017.31 ACU 524018.31 ACU 524019.31 | Operator Controls | Left-Hand Reverser Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 524021.31 | Operator Controls | Multiple Reverser Switches Conflict. Have John Deere dealer repair at earliest convenience. |
| ACU 524022.31 ACU 524023.31 ACU 524024.31 ACU 524025.31 ACU 524026.31 ACU 524027.31 ACU 524030.31 ACU 524031.31 ACU 524032.31 ACU 524034.31 ACU 524036.31 | Operator Controls | Left-Hand Reverser Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 524101.02 | Operator Controls | Front Hitch Valve Control Lever Switch/Sensor Circuit Conflict. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| ACU 524101.03 ACU 524101.04 | Operator Controls | Front Hitch Valve Control Lever Sensor Circuit Voltage Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 524102.02 | Operator Controls | SCV Control Lever Switch/Sensor Circuit Conflict. Have John Deere dealer repair at earliest convenience. |
| ACU 524102.03 ACU 524102.04 | Operator Controls | SCV Control Lever Sensor Circuit Voltage Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 524103.02 ACU 524103.03 ACU 524103.04 ACU 524104.02 ACU 524104.03 ACU 524104.04 ACU 524105.02 ACU 524105.03 ACU 524105.04 | Operator Controls | SCV Control Lever Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 524212.02 ACU 524212.03 ACU 524212.04 | Operator Controls | Rear Hitch Control Lever Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 524224.02 ACU 524224.14 | Operator Controls | Rear PTO Switch Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 524224.31 | Operator Controls | Transmission Relay Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| ACU 524254.31 | Operator Controls | Transmission Enable Relay Circuit Fault. Have John Deere dealer repair at earliest convenience. |
| ActiveSeat Unit Diagnostic Trouble Codes (ASU) | ||
| ASU 524002.31 | ActiveSeat System | Seat Pressure Control Solenoid Problem. Have John Deere dealer repair at earliest convenience. |
| ASU 524008.13 | ActiveSeat System | ASU Not Calibrated. Have John Deere dealer repair as soon as possible. |
| ClimaTrak Display Codes (ATC) – If Equipped | ||
| IMPORTANT: Check the cleanliness of the condenser at the front of the tractor and make sure the cab recirculation air filter is not plugged for all ATC diagnostic trouble codes. If the codes return, contact your John Deere dealer as soon as possible. | ||
| Front Brake Control Unit Diagnostic Trouble Codes (BRC) | ||
| BRC 000158.04 BRC 000168.04 | Secondary Brake System | Switched Supply Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| BRC 000629.12 BRC 000630.13 | Secondary Brake System | BRC Control Unit Problem. Have John Deere dealer repair as soon as possible. |
| Diagnostic Trouble Code | Display | Solution |
| BRC 001079.03 BRC 001079.04BRC 001079.05 BRC 001079.06 | Secondary Brake System | Sensor Supply Voltage Problem. Have John Deere dealer repair as soon as possible. |
| BRC 522280.00 | Secondary Brake System | Secondary Brake Pressure High. Have John Deere dealer repair as soon as possible. |
| BRC 522280.01 | Secondary Brake System | Secondary Brake Pressure Low. Have John Deere dealer repair as soon as possible. |
| BRC 523652.02 | Hydraulic System | Control Unit Attached to Incompatible Harness. Have John Deere dealer repair as soon as possible. |
| BRC 523837.00 BRC 523837.03 BRC 523837.04 BRC 523837.13 | Secondary Brake System | Rear Brake Pressure Circuit Problem. Have John Deere dealer repair as soon as possible. |
| BRC 523840.00 BRC 523840.01 BRC 523840.03 BRC 523840.04 BRC 523840.13 | Secondary Brake System | Front Brake Pressure Circuit Problem. Have John Deere dealer repair as soon as possible. |
| BRC 523844.05 BRC 523844.06BRC 523844.13 | Secondary Brake System | Front Brake Solenoid Circuit Problem. Have John Deere dealer repair as soon as possible. |
| BRC 523910.02 | Secondary Brake System | Control Unit Problem. Have John Deere dealer repair as soon as possible. |
| BRC 524016.04 | Secondary Brake System | Switched Supply Voltage Problem. Check Fuse F24. Restart vehicle. If code returns, have John Deere Dealer repair as soon as possible. |
| BRC 524157.19 | Secondary Brake System | Right Brake Pedal Switch Problem. Have John Deere dealer repair as soon as possible. |
| BRC 524162.19 BRC 524169.19 | Secondary Brake System | Left Brake Pedal Switch Problem. Have John Deere dealer repair as soon as possible. |
| Cab Control Unit Diagnostic Trouble Codes (CAB) | ||
| CAB 000091.02 CAB 000091.03 CAB 000091.04 | Operator Controls | Foot Throttle Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| CAB 001079.02 CAB 001079.03 CAB 001079.04 | Operator Controls | CAB Supply Voltage Problem. Have John Deere dealer repair as soon as possible. |
| CAB 001504.30 | Operator Controls | Seat Switch Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| CAB 002876.02 | Operator Controls | Turn Signal Switch Problem. Have John Deere dealer repair at earliest convenience. |
| CAB 523908.02 | Operator Controls | Rear PTO Remote Switch Problem. Have John Deere dealer repair at earliest convenience. |
| CAB 523922.31 | Hand Brake On | Secondary Hand Brake on While Moving. Disengage hand brake. If code returns, have John Deere dealer repair as soon as possible. |
| CAB 524014.31 | Operator Controls | Left-Hand Reverser Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| CAB 524016.04 | Operator Controls | CAB Switched Power Voltage Problem. Check fuse F15. Restart vehicle. If code returns, have John Deere dealer repair returns at earliest convenience. |
| CAB 524017.13 | Operator Controls | Left-Hand Reverser Lever Type Not Selected. Have John Deere dealer repair at earliest convenience. |
| CAB 524017.31 | Operator Controls | Left-Hand Reverser Power Circuit Fault. Have John Deere dealer repair at earliest convenience. |
| CAB 524018.31 CAB 524019.31 | Operator Controls | Left-Hand Reverser Transition Fault. Lever is held in an invalid position. Move lever to PARK. Have John Deere dealer repair at earliest convenience. |
| CAB 524020.31 | Power Up in Gear | Left-Hand Reverser in Gear at Power Up. Place reverser lever in PARK position. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| CAB 524021.31 CAB 524022.31 CAB 524023.31 CAB 524024.31 CAB 524025.31 CAB 524026.31 CAB 524027.31 | Operator Controls | Left-Hand Reverser Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| CAB 524030.31 CAB 524031.31 CAB 524032.31 CAB 524034.31 CAB 524036.31 | Operator Controls | Left-Hand Reverser Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| CAB 524166.02 CAB 524166.03 CAB 524166.04 CAB 524166.13 CAB 524166.30 | Operator Controls | Right Brake Pedal Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| CLC 000158.00 CLC 000158.01 CLC 000158.17 CLC 000158.18 | Electrical System | CAB Switched Supply Voltage Problem. Have John Deere dealer repair as soon as possible. |
| CLC 002050.06 | Electrical System | CLC Circuit Current High. Remove all operator customized accessories such as flood lights, hazard lights and window wipers. Have John Deere dealer repair at earliest convenience. |
| CLC 002360.05 CLC 002360.06 | Lighting System | Rear Fender Flood Light Circuit Current Problem. Check condition of light bulb. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 002362.05 CLC 002362.06 | Lighting System | Rear Roof Flood Light Circuit Current Problem. Check condition of light bulb. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 002364.05 CLC 002364.06 | Lighting System | Mid Body Flood Light Circuit Current Problem. Check condition of light bulb. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 002366.05 CLC 002366.06 | Lighting System | Side Roof Flood Light Circuit Current Problem. Check condition of light bulb. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 002368.05 CLC 002368.06 | Lighting System | Left Turn Signal Light Circuit Current Problem. Check condition of light bulb. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 002370.05 CLC 002370.06 | Lighting System | Right Turn Signal Light Circuit Current Problem. Check condition of light bulb. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 002372.05 CLC 002372.06 | Lighting System | Brake Light Circuit Current Problem. Check condition of light bulb. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 002378.05 CLC 002378.06 | Lighting System | Tail Light Circuit Current Problem. Check condition of light bulb. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 002394.05 CLC 002394.06 | Lighting System | Trailer Flood Light Circuit Overload or Short Circuit. Unplug 7-pin connector to verify code still exists. Have John Deere dealer repair at earliest convenience. |
| CLC 002863.02 | Wiper System | Front Wiper Switch Circuit Fault. Cycle switch ON and OFF. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 002865.02 | Wiper System | Rear Wiper Switch Circuit Fault. Cycle switch ON and OFF. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 002872.02 | Lighting System | Main Light Switch Circuit Fault. Cycle switch ON and OFF. If code still exists, have John Deere dealer repair at earliest convenience. |
| CLC 522310.06 | Electrical System | ELX Output Circuit Current High. Have John Deere dealer repair at earliest convenience. |
| CLC 522433.05 CLC 522433.06 | Wiper System | Rear Wiper Motor Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| CLC 522434.05 CLC 522434.06 | Wiper System | Front Wiper Motor Low Speed Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| CLC 522435.05 CLC 522435.06 | Wiper System | Front Wiper Motor High Speed Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| CLC 523907.02 | PTO System | PTO Remote Enable Switch Problem. Have John Deere dealer repair at earliest convenience. |
| CLC 524016.06 | Electrical System | Communication Bus or Vehicle Load Center Wakeup Circuit Current High. Have John Deere dealer repair at earliest convenience. |
| CLC 524035.02 | Operator Controls | Transmission Selector Circuit Fault. Have John Deere dealer repair at earliest convenience. |
| CLC 524037.02 | Operator Controls | Auto Mode and Brake Assist Mode High. Have John Deere dealer repair at earliest convenience. |
| Engine Control Unit Diagnostic Trouble Codes (ECU) | ||
| ECU 000097.03 ECU 000097.04 | Engine System | Water In Fuel Signal Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000097.16 | Engine Water Separator Full | Remove water from separator. |
| ECU 000100.01 | Engine Oil Pressure Low | Check engine oil level. If code returns, have John Deere dealer repair immediately. |
| ECU 000100.03 ECU 000100.04 | Engine System | Engine Oil Pressure Input Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000100.18 | Engine Oil Pressure Low | Check engine oil level. If code returns, have John Deere dealer repair as soon as possible. |
| ECU 000100.31 | Engine Oil Pressure | Sensor Indicates Oil Pressure When Engine Is OFF. Have John Deere dealer repair at earliest convenience. |
| ECU 000102.02 | Engine System | Manifold Air Pressure Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| ECU 000102.03 ECU 000102.04 | Engine System | Manifold Air Pressure Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000103.00 | Engine System | Turbo Speed Overspeed. If operating at high altitude, reduce load on engine. If problem continues, have John Deere dealer repair as soon as possible. |
| ECU 000103.05 ECU 000103.06 ECU 000103.08 ECU 000103.31 | Engine System | Turbo Speed Error. Have John Deere dealer repair as soon as possible. |
| ECU 000105.00 | Engine Air Temperature High | Intake Air Temperature High. Check coolant level. Inspect and clean radiator. If code returns, have John Deere dealer repair immediately. |
| ECU 000105.03 ECU 000105.04 | Engine System | Manifold Air Temperature Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000105.15 | Engine Air Temperature High | Manifold Air Temperature is above Specification. Check coolant level. Inspect and clean radiator. If code returns, have John Deere dealer repair as soon as possible. |
| Diagnostic Trouble Code | Display | Solution |
| ECU 000105.16 | Engine Air Temperature High | Manifold Air Temperature Moderately High. Check coolant level. Inspect and clean radiator. If code returns, have John Deere dealer repair as soon as possible. |
| ECU 000108.02 | Engine System | Barometric Pressure Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| ECU 000110.00 | Engine Coolant Temperature High | Check coolant level. Inspect and clean radiator. If code returns, have John Deere dealer repair immediately. |
| ECU 000110.03 ECU 000110.04 | Engine System | Engine Coolant Temperature Input Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000110.15 | Engine Coolant Temperature High | Check coolant level. Inspect and clean radiator. If code returns, have John Deere dealer repair at earliest convenience. |
| ECU 000110.16 | Engine Coolant Temperature High | Check coolant level. Inspect and clean radiator. If code returns, have John Deere dealer repair as soon as possible. |
| ECU 000110.17 | Engine Coolant Temperature Low | Engine Coolant Temperature Low. Warm up engine. If problem continues, have John Deere dealer repair as soon as possible. |
| ECU 000157.03 ECU 000157.04 | Engine System | Fuel Rail Pressure Input Voltage Problem. Have John Deere dealer repair immediately. |
| ECU 000157.10 | Engine System | Fuel Rail Pressure Loss Detected. Have John Deere dealer repair as soon as possible. |
| ECU 000157.17 | Engine System | Fuel Rail Pressure Not Developed. Have John Deere dealer repair as soon as possible. |
| ECU 000158.17 | Engine System | Engine Control Unit Power Down Error. Have John Deere dealer repair at earliest convenience. |
| ECU 000174.00 | Fuel Temperature High | Fuel Temperature High. Check coolant level. Inspect and clean radiator. Check to see if code returns. Have John Deere dealer repair immediately. |
| ECU 000174.03 ECU 000174.04 | Engine System | Fuel Temperature Input Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000174.16 | Fuel Temperature High | Check coolant level. Inspect and clean radiator and fuel cooler. If code returns, have John Deere dealer repair as soon as possible. |
| ECU 000189.00 | No text | Engine Speed Derate. |
| ECU 000190.00 | Engine Speed High | Result of downshifting, throttle back. If code returns, have John Deere dealer repair immediately. |
| ECU 000237.02 ECU 000237.13 ECU 000237.31 | Identification System | Vehicle Serial Number Invalid. Have John Deere dealer repair as soon as possible. |
| ECU 000412.00 | Engine System | EGR Temperature Sensor Input Voltage Problem. Most Sever Level. Have John Deere dealer repair immediately. |
| Diagnostic Trouble Code | Display | Solution |
| ECU 000412.03 ECU 000412.04 | Engine System | EGR Temperature Sensor Input Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000412.15 ECU 000412.16 | Engine System | EGR Temperature Higher than Expected. Have John Deere dealer repair as soon as possible. |
| ECU 000611.03 ECU 000611.04 | Engine System | Electronic Injector Wiring Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000627.01 | Engine System | Electronic Injector Supply Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000629.12 | Engine System | ECU Memory Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000629.13 | Engine System | ECU Programming Error. Have John Deere dealer repair immediately. |
| ECU 000636.05 | Engine System | Cam Sensor Open. Have John Deere dealer repair as soon as possible. |
| ECU 000636.06 | Engine System | Cam Sensor Shorted. Have John Deere dealer repair as soon as possible. |
| ECU 000636.02 ECU 000636.08 ECU 000636.10 | Engine System | Pump Position Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| ECU 000637.02 ECU 000637.05 ECU 000637.06 ECU 000637.07 | Engine System | Crank Position Sensor Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000637.08 ECU 000637.10 | Engine System | Crank Position Input Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000641.04 | Engine System | Turbo Actuator Supply Voltage Low or Intermittent. Have John Deere dealer repair as soon as possible. |
| ECU 000641.05 ECU 000641.13 | Engine System | Have John Deere dealer repair as soon as possible. |
| ECU 000641.12 | Engine System | Communication on Error to Turbo. Have John Deere dealer repair as soon as possible. |
| ECU 000641.16 | Engine System | Turbo Actuator Over Temperature. Have John Deere dealer repair as soon as possible. |
| ECU 000647.05 | Fan System | Upper Fan Drive Output 1 Shorted or Open. Inspect wiring leads on solenoid coil above fan drive piston housing. Have John Deere dealer repair as soon as possible. |
| ECU 000651.02 ECU 000651.13 | Engine System | Electronic Fuel Injector Problem. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| ECU 000651.05 ECU 000651.06 ECU 000651.07 ECU 000652.02 ECU 000652.05 ECU 000652.06 ECU 000652.07 ECU 000652.13 ECU 000653.02 ECU 000653.05 ECU 000653.06 ECU 000653.07 ECU 000653.13 ECU 000654.02 ECU 000654.05 ECU 000654.06 ECU 000654.07 ECU 000654.13 ECU 000655.02 ECU 000655.05 ECU 000655.06 ECU 000655.07 ECU 000655.13 ECU 000656.02 ECU 000656.05 ECU 000656.06 ECU 000656.07 ECU 000656.13 | Engine System | Electronic Fuel Injector Problem. Have John Deere dealer repair as soon as possible. |
| ECU 000676.03 ECU 000676.05 | Engine System | Glow Plug Relay Output Problem. Have John Deere dealer repair as soon as possible. |
| ECU 001075.05 | Fuel Supply System | Electric Lift Pump in Fuel Filter Base Short/Open. Have John Deere dealer repair at earliest convenience. |
| ECU 001110.31 | Engine System | Engine Protection Shutdown. Have John Deere dealer repair as soon as possible. |
| ECU 001136.00 | Engine System | ECU Temperature High. Check area around ECU for adequate air flow. If problem continues, have John Deere dealer repair immediately. |
| ECU 001136.16 | Engine System | Internal ECU Temperature High. Check area around ECU for adequate air flow. If problem continues, have John Deere dealer repair as soon as possible. |
| ECU 001172.03 ECU 001172.04 | Engine System | Compressor Inlet Temperature Input Voltage Problem. Have John Deere dealer repair at earliest convenience. |
| ECU 001180.00 | Engine System | Exhaust Temperature is High. Have John Deere dealer repair immediately. |
| ECU 001180.16 | Engine System | Exhaust Temperature is Higher than Specification. Have John Deere dealer repair as soon as possible. |
| Diagnostic Trouble Code | Display | Solution |
| ECU 001347.03 ECU 001347.05 | Engine System | Pump control valve problem. Have John Deere dealer repair as soon as possible. |
| ECU 001347.07 | Fuel Filter | Fuel Rail Pressure Control Problem. Check fuel filter, If code returns, have John Deere dealer repair as soon as possible. |
| ECU 001569.31 | Fuel Power Derated | One of the Derate Conditions Exists on Engine. Have John Deere dealer repair at earliest convenience. |
| ECU 001639.01 ECU 001639.16 ECU 001639.18 ECU 002005.09 | Fan System | Fan Speed Signal Problem. Have John Deere dealer repair at earliest convenience. |
| ECU 002005.14 | Communication System | Communication Error. Allow tractor to run for 10 minutes to clear code. |
| ECU 002030.09 | Communication System | CAB Message Missing. Have John Deere dealer repair at earliest convenience. |
| ECU 002049.09 ECU 002071.09 | Communication System | Control Unit Signal Missing. Have John Deere dealer repair at earliest convenience. |
| ECU 002630.00 | Engine System | Charge Air Outlet Temperature Higher than Expected (Most Severe). Have John Deere dealer repair immediately. |
| ECU 002630.03 ECU 002630.04 | Engine System | Charge Air Outlet Temperature Input Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ECU 002630.15 ECU 002630.16 | Engine System | Charge Air Outlet Temperature Higher than Expected (Less Severe). Have John Deere dealer repair as soon as possible. |
| ECU 002659.02 ECU 002659.15 ECU 002659.17 | Engine System | EGR Problem. Have John Deere dealer repair as soon as possible. |
| ECU 002790.16 | Engine System | Compressor Outlet Temperature High. Have John Deere dealer repair as soon as possible. |
| ECU 002791.02 ECU 002791.03 ECU 002791.04 ECU 002791.07 ECU 002791.13 ECU 002791.14 ECU 002791.31 | Engine System | EGR Valve Error. Have John Deere dealer repair as soon as possible. |
| ECU 002795.07 ECU 002795.12 | Engine System | Variable Geometry Turbo Control Error. Have John Deere dealer repair as soon as possible. |
| ECU 003509.03 ECU 003509.04 | Engine System | Fuel Rail Pressure Sensor Supply Voltage Problem. Have John Deere dealer repair immediately. |
| Diagnostic Trouble Code | Display | Solution |
| ECU 003510.03 ECU 003510.04 ECU 003511.03 ECU 003511.04 ECU 003512.03 ECU 003512.04 ECU 003513.03 ECU 003513.04 | Engine System | ECU Sensor Voltage Problem. Have John Deere dealer repair as soon as possible. |
| ECU 600006.31 | Engine System | ECU Default DTC. Have John Deere dealer repair at earliest convenience. |
| Hitch Control Unit Diagnostic Trouble Codes (HCU) | ||
| HCU 000158.04 HCU 000168.04 | Electrical System | HCU Supply Voltage Low. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Check fuse F30. If code still exists, have John Deere dealer repair at earliest convenience. |
| HCU 000630.13 | Rear Hitch System | HCU Not Calibrated. Have John Deere dealer repair at earliest convenience. |
| HCU 001079.03 HCU 001079.04 | Rear Hitch System | HCU Sensor Supply Voltage Problem. Have John Deere dealer repair at earliest convenience. |
| HCU 001873.02 HCU 001873.03 HCU 001873.04 HCU 001873.11 | Rear Hitch System | Rear Hitch Position Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| HCU 001873.13 | Rear Hitch System | HCU Calibration Fault/Rear Hitch Position Sensor Circuit. Have John Deere dealer calibrate hitch at earliest convenience. |
| HCU 001881.03 HCU 001881.04 HCU 001881.13 | Rear Hitch System | Rear Hitch Draft Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| HCU 002003.09 | Rear Hitch System | Vehicle Speed Update Fault. Have John Deere dealer repair at earliest convenience. |
| HCU 002005.09 | Communication System | ACU Message Missing. Have John Deere dealer repair at earliest convenience. |
| HCU 002071.09 | Rear Hitch System | CCU Message Missing. Have John Deere dealer repair at earliest convenience. |
| HCU 521001.02 HCU 521001.05 HCU 521001.06 HCU 521001.07 HCU 521001.11 HCU 521002.05 HCU 521002.07 HCU 521002.06 | Rear Hitch System | Rear Hitch Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| HCU 523652.02 | Hydraulic System | Wire Connector Fault. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| HCU 523788.02 | Rear Hitch System | Hydraulic Option Configuration Problem. Hook up last used implement and cycle key switch ON and OFF to reset. |
| HCU 523910.02 | Rear Hitch System | Control Unit Problem. Have John Deere dealer repair at earliest convenience. |
| HCU 523952.31 | Rear Hitch System | Operator Trying to use Hitch while Disabled or not Available. Have John Deere dealer repair at earliest convenience. |
| HCU 524016.04 | Rear Hitch System | Switched Supply Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| HCU 524212.19 HCU 524212.31 | Hydraulic System | Rear Hitch Control Lever Problem. Have John Deere dealer repair at earliest convenience. |
| Instrument Control Unit Diagnostic Trouble Codes (ICU) | ||
| ICU 002000.09 | Communication System | ECU Message Missing. Check fuse F9. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002003.09 | Communication System | PTI or PTQ Message Missing. Check fuse F6 for IVT or F35 PowrQuad Plus. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002011.09 | Communication System | BRC Message Missing. Have John Deere dealer repair at earliest convenience. |
| ICU 002005.09 | Communication System | ACU Message Missing. Check fuse F13 for IVT or F35 for PowrQuad Plus. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002019.09 | Communication System | SSU Message Missing. Have John Deere dealer repair at earliest convenience. |
| ICU 002020.09 | Communication System | SFA Message Missing. Check fuse F24. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002025.09 | Communication System | ATC Message Missing. Check fuse F42. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002030.09 | Communication System | VLC Message Missing. Have John Deere dealer repair as soon as possible. |
| ICU 002034.09 | Communication System | SCU Message Missing. Check fuse F24. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002035.09 | Communication System | HCU Message Missing. Have John Deere dealer repair as soon as possible. |
| ICU 002036.09 | Communication System | PTF Message Missing. Check fuse F15. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002049.09 | Communication System | CAB Message Missing. Check fuse F35. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002050.09 | Communication System | CLC Message Missing. Have John Deere dealer repair as soon as possible. |
| Diagnostic Trouble Code | Display | Solution |
| ICU 002054.09 | Communication System | ASU Message Missing. Check fuses F35 for IVT and F45 PowrQuad Plus. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002071.09 | Communication System | CCU Message Missing. Check fuses F6 for IVT and F35 for PowrQuad Plus. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002129.09 | Communication System | ICU Message Missing. Check fuse F28. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002213.09 | Communication System | SCO Message Missing. Check fuse F24. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002227.09 | Communication System | SUP Message Missing. Check fuse F23. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002240.09 | Communication System | TEC Message Missing. Check fuse F23. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| ICU 002255.09 | Communication System | No CAN messages received from any source address within time-out period. |
| ICU 523971.14 | Communication System | Engine is Currently too Cold to Start and is Firing the Glow Plugs in Preparation for Starting. Engine may be safely started at conclusion of countdown. |
| Front PTO Control Unit Diagnostic Trouble Codes (PTF) | ||
| PTF 000168.04 | Front PTO System | PTF Supply Voltage Low. Have John Deere dealer repair at earliest convenience. |
| PTF 001882.00 | Front PTO System | Front PTO Shaft is Turning too Fast. Restart vehicle. Engage Front PTO. Set engine to full throttle. If code returns, have John Deere dealer repair as soon as possible. |
| PTF 001882.01 | Front PTO System | Front PTO Underspeed Detected. Restart vehicle and Engage Front PTO. Set engine to full throttle. If code returns, have John Deere dealer repair at earliest convenience. |
| PTF 001882.13 | Front PTO System | Front PTO Not Calibrated. Have John Deere dealer repair at earliest convenience. |
| PTF 523904.31 | Front PTO On | PTO Engaged While Operator Not Seated. Sit in operators seat. Restart vehicle and cycle front PTO switch. If code returns, have John Deere dealer repair as soon as possible. |
| PTF 523905.02 | Front PTO System | Front PTO Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTF 523906.03 PTF 523906.04 | Front PTO System | Front PTO Oil Temperature Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTF 524163.09 | Front PTO System | Control Unit Problem. Check fuse F35. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| PTF 524216.02 PTF 524216.31 | Front PTO System | Front PTO Switch Problem. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| IVT Transmission Control Unit Diagnostic Trouble Codes (PTI) | ||
| PTI 000126.15 PTI 000126.16 | Transmission Oil Filter Restricted | Check condition and service interval of transmission oil and filter. Restart vehicle. Warm oil to normal operating temperature. If code returns, have John Deere dealer repair as soon as possible. |
| PTI 000127.01 | Transmission Oil Pressure Low | Restart vehicle. Warm oil to normal operating temperature. If code returns, have John Deere dealer repair at earliest convenience. |
| PTI 000127.02 PTI 000127.04 | Transmission System | Transmission Pump Pressure Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 000127.18 | Transmission Oil Pressure Low | Transmission Pump Pressure Low. Have John Deere dealer repair as soon as possible. |
| PTI 000158.01 PTI 000168.01 | Transmission System | Control Unit Supply Voltage Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 000190.00 | Engine Speed High | Engine Overspeed. Reduce engine RPM. If code returns, have John Deere dealer repair as soon as possible. |
| PTI 000190.02 | Transmission System | Engine Speed Mismatch. Have John Deere dealer repair at earliest convenience. |
| PTI 000191.00 | Transmission Speed High | Operating tractor downhill with a heavy rear load may cause the rear differential to overspeed the transmission output shaft. Slow vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| PTI 000191.02 | Transmission System | Transmission Speed Sensors and Calculated “Expected” Speed Differ by more than 200 rpm. Have John Deere dealer repair at earliest convenience. |
| PTI 000619.05 | Park System | Park Brake Solenoid Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 000734.05 PTI 000735.05 PTI 000736.05 | Transmission System | Clutch/Brake Solenoid Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 000754.18 PTI 000755.18 PTI 000756.18 | Transmission Oil Pressure Low | Clutch Enable Pressure Problem. Have John Deere dealer repair as soon as possible. |
| PTI 001079.04 | Transmission System | Control Unit Sensor Voltage Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 002000.09 | Communication System | ECU Message Missing. Have John Deere dealer repair at earliest convenience. |
| PTI 002005.09 | Communication System | ACU Message Missing. Have John Deere dealer repair at earliest convenience. |
| PTI 524042.00 | Transmission Oil Filter Restricted | Check the condition and service interval of the transmission oil and filter. If code returns, have John Deere dealer repair immediately. |
| Diagnostic Trouble Code | Display | Solution |
| PTI 524042.16 PTI 524227.00 PTI 524227.16 | Transmission Oil Filter Restricted | Transmission Oil Filter Bypassed. Check the condition and service interval of the transmission oil and filter. If code returns, have John Deere dealer repair as soon as possible. |
| PTI 524226.08 | Transmission System | Direction Sensing Incorrect. Have John Deere dealer repair as soon as possible. |
| PTI 524228.05 PTI 524228.11 | Transmission System | Park Sump Block Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 524229.05 | Transmission System | Hydro Control Solenoid Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 524230.05 | Park System | Clutch Enable Solenoid Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 524232.01 | Park System | Park Brake Pressure Low/Gear Commanded. Stop engine, have John Deere dealer repair immediately. |
| PTI 524232.02 PTI 524232.04 | Transmission System | Park Brake Pressure Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 524232.14 | Transmission Oil Pressure Low | Park Brake Pressure Low in Come Home Mode. Perform Park Brake Release Procedure (see section 80). Wait 5-10 minutes. If code returns, have John Deere dealer repair immediately. |
| PTI 524232.16 PTI 524232.17 | Park System | Park Brake Pressure Problem. Have John Deere dealer repair as soon as possible. |
| PTI 524232.18 | Transmission Oil Pressure Low | Park Brake Pressure Low. Have John Deere dealer repair as soon as possible. |
| PTI 524233.00 | Transmission System | Hydro Fixed Unit Overspeed. Have John Deere dealer repair as soon as possible. |
| PTI 524233.07 PTI 524233.15 PTI 524233.16 | Transmission System | Hydro Speed Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 524234.02 PTI 524234.04 | Transmission System | Clutch Pressure Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 524237.31 | Transmission System | Neutral and Park or Scroll Switches on During Start-Up. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| PTI 524238.31 | Transmission Lever Not in Park | Left-Hand Reverser Lever Not in Park or Neutral at Power Up. Place lever in park or neutral. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| PTI 524239.31 | Transmission System | No Motion / Engine Running. Have John Deere dealer repair at earliest convenience. |
| PTI 524240.14 | Transmission System | No Vehicle Motion for 5 Seconds After “Come-Home” Mode Selected. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| PTI 524241.02 | Transmission System | Carrier or Fixed Unit Speed Incorrect. Have John Deere dealer repair at earliest convenience. |
| PTI 524242.00 | Transmission Oil Pressure High | Transmission Park and Enable Pressures High. Have John Deere dealer repair as soon as possible. |
| PTI 524243.31 PTI 524244.31 PTI 524245.31 | Operator Controls | Control Unit Command Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 524246.17 | Transmission System | Hydro Fixed Unit Speed Low at Start-Up. Have John Deere dealer repair at earliest convenience. |
| PTI 524247.17 | Transmission System | Carrier Speed Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTI 524248.31 | Transmission System | Motion Detected with Park Brake Engaged. Restart vehicle. Park vehicle on a slight incline. Place left-hand reverser in PARK. Let vehicle sit for 1-2 minutes. If code returns, have John Deere dealer repair as soon as possible. |
| PTI 524249.31 | Transmission Not in Park | Operator Not Present with Transmission in Neutral. Sit in seat. If code returns, have John Deere dealer repair as soon as possible. |
| PTI 524250.31 | Transmission System | Park Brake Previously Failed/May Not Hold. Have John Deere dealer repair as soon as possible. |
| PTI 524253.02 | Transmission System | Control Unit Not Commanding Park at Start-Up. Place left-hand reverser in PARK. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| PTI 524254.03 PTI 524254.04 | Transmission System | Transmission Enable Relay Circuit Voltage Problem. Verify that there is NOT a fuse installed in F5 location. Have John Deere dealer repair at earliest convenience. |
| PowrQuad Plus Transmission Control Unit Diagnostic Trouble Codes (PTQ) | ||
| PTQ 000084.14 | Transmission System | PTQ Wheel Speed Message Missing. Have John Deere dealer repair as soon as possible. |
| PTQ 000126.16 | Transmission Oil Filter Restricted | Check condition and service interval of transmission oil filter. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| PTQ 000127.01 | Transmission Oil Pressure Low | Check transmission fluid level in sight glass on rear differential case. Restart vehicle. If code returns, have John Deere dealer repair immediately. |
| PTQ 000158.04 | Electrical System Voltage Low | Visually inspect around the batteries and alternator for damage or accumulated debris. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| PTQ 000190.18 | Transmission System | PTQ Engine Speed Low. Have John Deere dealer repair as soon as possible. |
| PTQ 000191.17 | Transmission System | Transmission Underspeed. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| PTQ 000734.05 PTQ 000735.05 PTQ 000736.05 PTQ 000737.05 | Transmission System | Transmission Sensor Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTQ 002000.09 | Communication System | ECU Message Missing. Check fuse F9. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| PTQ 002005.09 | Communication System | ACU Message Missing. Have John Deere dealer repair as soon as possible. |
| PTQ 002049.09 | Communication System | CAB Message Missing. Have John Deere dealer repair as soon as possible. |
| PTQ 002050.09 | Communication System | CLC Message Missing. Have John Deere dealer repair as soon as possible. |
| PTQ 002129.09 | Communication System | ICU Message Missing. Have John Deere dealer repair as soon as possible. |
| PTQ 523953.02 | Operator Controls | Speed Control Lever Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTQ 523960.31 | Operator Not in Seat | Operator Not Seated During Reverser Command. Have John Deere dealer repair at earliest convenience. |
| PTQ 523961.07 | Operator Controls | Range Lever Park/Reverser Lever Gear Problem. Have John Deere dealer repair at earliest convenience. |
| PTQ 523966.31 | Transmission Come Home Active | Check F5 slot for fuse. Fuse should not be installed unless vehicle is in Come Home mode. With fuse removed, operate vehicle for 5 minutes. If code returns, have John Deere dealer repair as soon as possible. |
| PTQ 524191.05 | Trailer Brake System | Trailer Air Brake Valve Problem. Have John Deere dealer repair as soon as possible. |
| PTQ 524230.03PTQ 524230.04PTQ 524230.05 PTQ 524234.03 PTQ 524234.04 | Transmission System | Clutch Enable Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| PTQ 524254.04 | Transmission System | Transmission Enable Relay Circuit Voltage Low. Have John Deere dealer repair at earliest convenience. |
| Optional SCV Control Unit Diagnostic Trouble Codes (SCO) | ||
| SCO 000158.04 SCO 000168.04 | Hydraulic System | Control Unit Supply Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Check fuses F12, F24 and F51. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SCO 001963.05 SCO 001975.05 | Hydraulic System | Flow Control Circuit Problem. Have John Deere dealer repair at earliest convenience. |
| SCO 002005.09 | Communication System | ACU Message Missing. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| SCO 002071.09 | Communication System | CCU Message Missing. Have John Deere dealer repair at earliest convenience. |
| SCO 521000.02 | Hydraulic System | Front Hitch External Switch Circuit Problem. Inspect front hitch switch, harness and connectors. Restart vehicle. Cycle front hitch switch through all positions. If code returns, have John Deere dealer repair at earliest convenience. |
| SCO 523652.02 | Hydraulic System | Wire Connector Fault. Incompatible connection. Have John Deere dealer repair at earliest convenience. |
| SCO 523662.05 SCO 523662.06 SCO 523663.05 SCO 523663.06 | Hydraulic System | Auxiliary Valve Current Problem. Have John Deere dealer repair at earliest convenience. |
| SCO 523695.02 SCO 523695.19 SCO 523696.02 SCO 523696.19 | Hydraulic System | External Control Message Problem. Have John Deere dealer repair at earliest convenience. |
| SCO 523787.03 SCO 523787.04 | Hydraulic System | Auxiliary Solenoid Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SCO 523910.02 | Hydraulic System | Control Unit Problem. Have John Deere dealer repair at earliest convenience. |
| SCO 523930.05 SCO 523930.06 SCO 523931.05 SCO 523931.06 | Hydraulic System | SCV Directional Valve Solenoid Current Problem. Have John Deere dealer repair at earliest convenience. |
| SCO 523936.05 SCO 523936.06 SCO 523937.05 SCO 523937.06 | Hydraulic System | Flow Control Valve Solenoid Current Problem. Have John Deere dealer repair at earliest convenience. |
| SCO 523942.31 | SCV VI On | Operator out of seat with SCV VI on. |
| SCO 523943.31 | SCV V On | Operator out of seat with SCV V on. |
| SCO 524016.03 SCO 524016.04 | Hydraulic System | Control Unit Supply Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SCV Control Unit Diagnostic Trouble Codes (SCU) | ||
| SCU 000158.04 SCU 000168.04 | Hydraulic System | Switched Supply Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Check fuses F24, F44 and F51. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SCU 001079.03 SCU 001079.04 | Hydraulic System | Control Unit Sensor Supply Voltage Problem. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| SCU 001915.05 SCU 001927.05 SCU 001939.05 SCU 001951.05 | Hydraulic System | Flow Control Solenoid Current Problem. Have John Deere dealer repair at earliest convenience. |
| SCU 002005.09 | Communication System | ACU Message Missing. Check fuse F13. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SCU 002049.09 | Communication System | CAB Message Missing. Have John Deere dealer repair at earliest convenience. |
| SCU 002071.09 | Communication System | CCU Message Missing. Have John Deere dealer repair at earliest convenience. |
| SCU 523652.02 | Hydraulic System | Wire Connector Fault. Have John Deere dealer repair at earliest convenience. |
| SCU 523693.02 SCU 523693.19 SCU 523694.02 SCU 523694.19 | Hydraulic System | SCV External Control Message Problem. Have John Deere dealer repair at earliest convenience. |
| SCU 523786.03 SCU 523786.04 SCU 523786.07 | Hydraulic System | Remote Position Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| SCU 523787.03 SCU 523787.04 | Hydraulic System | Control Unit Switched Supply Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SCU 523910.02 | Hydraulic System | Control Unit Problem. Have John Deere dealer repair at earliest convenience. |
| SCU 523923.31 | Hydraulic System | Control Lever Problem. Have John Deere dealer repair at earliest convenience. |
| SCU 523932.05 SCU 523932.06 SCU 523933.05 SCU 523933.06 SCU 523934.05 SCU 523934.06 SCU 523935.05 SCU 523935.06 | Hydraulic System | Direction Control Solenoid Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| SCU 523938.05 SCU 523938.06 SCU 523939.05 SCU 523939.06 SCU 523940.05 SCU 523940.06 SCU 523941.05 SCU 523941.06 | Hydraulic System | Flow Control Solenoid Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| SCU 523944.31 | SCV IV On | Operator out of seat with SCV IV on. |
| SCU 523945.31 | SCV III On | Operator out of seat with SCV III on. |
| SCU 523946.31 | SCV II On | Operator out of seat with SCV II on. |
| SCU 523947.31 | SCV I On | Operator out of seat with SCV I on. |
| SCU 524015.02 SCU 524015.19 | Hydraulic System | External Command Message Missing. Have John Deere dealer repair at earliest convenience. |
| SCU 524016.03 SCU 524016.04 | Hydraulic System | Switched Supply Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SCU 524038.02 SCU 524038.19 | Hydraulic System | External Control Message Missing. Restart vehicle. Cycle SCV IV Lever through all positions. If code returns, have John Deere dealer repair at earliest convenience. |
| SCU 524103.31 SCU 524104.31 SCU 524105.31 | Hydraulic System | Control Lever Message Missing. Have John Deere dealer repair at earliest convenience. |
| Triple-Link Suspension Control Unit Diagnostic Trouble Codes (SFA) | ||
| SFA 000158.04 SFA 000168.04 | Front Suspension System | Switched Supply Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SFA 001079.03 SFA 001079.04 | Front Suspension System | Sensor Supply Voltage Problem. Have John Deere dealer repair at earliest convenience. |
| SFA 001079.05 SFA 001079.06 | Front Suspension System | SFA Calibration Problem. Have John Deere dealer repair at earliest convenience. |
| SFA 002003.09 | Communication System | PTI or PTQ Message Missing. Check fuse F6 for IVT or F35 for PowrQuad Plus. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SFA 002005.09 | Communication System | ACU Message Missing. Check fuse F13 for IVT or F35 PowrQuad Plus. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SFA 002049.09 | Communication System | CAB Message Missing. Check fuse F35. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SFA 523652.02 | Hydraulic System | Control Unit Connected to Wrong Harness. Have John Deere dealer repair at earliest convenience. |
| SFA 523902.07 SFA 523903.07 | Front Suspension System | Suspended Front Axle Not Responding to Commands. Inspect front axle position sensor for linkage damage. Restart vehicle. Operate vehicle on rough terrain for 5 minutes. If code returns, have John Deere dealer repair at earliest convenience. |
| SFA 523910.02 | Front Suspension System | Control Unit Problem. Have John Deere dealer repair at earliest convenience. |
| Diagnostic Trouble Code | Display | Solution |
| SFA 523948.05 SFA 523948.06 SFA 523949.05 SFA 523949.06 | Front Suspension System | Front Axle Current Problem. Have John Deere dealer repair at earliest convenience. |
| SFA 523950.02 SFA 523950.03 SFA 523950.04 | Front Suspension System | Axle Position Sensor Problem. Inspect front axle position sensor for damage. Have John Deere dealer repair at earliest convenience. |
| SFA 524016.04 | Front Suspension System | Switched Supply Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| AutoTrac Steering System Control Unit Diagnostic Trouble Codes (SSU) | ||
| SSU 000084.09 | Communication System | Wheel Speed Message Missing. Have John Deere dealer repair as soon as possible. |
| SSU 000168.03 | Steering System | Unswitched Supply Voltage Problem. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. If code returns, have John Deere dealer repair as soon as possible. |
| SSU 000177.09 | Communication System | Hydraulic Oil Temperature Message Missing. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| SSU 000524.09 | Identification System | Gear Message Missing. Check fuse F6 for IVT or F35 for PowrQuad Plus. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| SSU 000517.09 | Communication System | GPS Speed Message Missing. Check StarFire connector. If code returns, have John Deere dealer repair as soon as possible. |
| SSU 000524.02 | Communication System | Selected Gear Message Invalid. Restart vehicle. If code returns, have John Deere dealer repair at earliest convenience. |
| SSU 000630.13 | Steering System | Steering Control Unit Not Calibrated. Restart vehicle. Have John Deere dealer repair as soon as possible. |
| SSU 001079.03 SSU 001079.04 | Steering System | Sensor Supply Voltage Problem. Have John Deere dealer repair as soon as possible. |
| SSU 001504.09 | Communication System | Operator Presence Message Missing. Sit in seat. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| SSU 001504.14 | AutoTrac System | Operator Not Seated while AutoTrac in on. Sit in operator’s seat and restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| Diagnostic Trouble Code | Display | Solution |
| SSU 001807.02 SSU 001807.03 SSU 001807.04 SSU 001807.05 SSU 001807.06 SSU 001807.10 SSU 001807.14 | Steering System | Steering Wheel Position Sensor Problem. Have John Deere dealer repair as soon as possible. |
| SSU 001865.09 | Communication System | ELX Message Missing. Have John Deere dealer repair at earliest convenience. |
| SSU 522273.00 SSU 522273.01 | Steering System | Steering Valve Control Circuit Problem. Have John Deere dealer repair as soon as possible. |
| SSU 522387.07 | Steering System | Wheel Angle Sensor Problem. Have John Deere dealer repair as soon as possible. |
| SSU 522394.09 | Communication System | Terrain Compensation Module Message Missing. Check fuse F23. Restart vehicle. If code returns, have John Deere dealer repair as soon as possible. |
| SSU 522451.00 SSU 522451.01 SSU 522451.14 | Steering System | Steering Angle Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| SSU 523698.09 | Communication System | Ag Management Solutions (AMS) Display Message Missing. Have John Deere dealer repair as soon as possible. |
| SSU 523766.02 | AutoTrac System | AutoTrac Activation Code Invalid. Have John Deere dealer repair as soon as possible. |
| SSU 523767.02 | AutoTrac System | AutoTrac Resume Switch Circuit Problem. Have John Deere dealer repair as soon as possible. |
| SSU 523795.02 | AutoTrac System | AutoTrac Steering Valve Workport Connections Backwards. Have John Deere dealer repair as soon as possible. |
| SSU 523795.12 | Steering System | Steering Valve or Harness Faulty. Have John Deere dealer repair as soon as possible. |
| SSU 523795.13 | Steering System | Control Unit Calibration Problem. Have John Deere dealer repair as soon as possible. |
| SSU 523810.00SSU 523810.01 SSU 523821.02 | Steering System | Steering Valve Supply Voltage Problem. Have John Deere dealer repair as soon as possible. |
| SSU 523824.03 SSU 523824.04 SSU 523824.05 SSU 523824.06 SSU 523824.10 SSU 523824.14 | Steering System | Steering Wheel Position Sensor Voltage Problem. Have John Deere dealer repair as soon as possible. |
| Diagnostic Trouble Code | Display | Solution |
| SSU 523826.00 SSU 523826.01 SSU 523826.02 SSU 523826.07 SSU 523826.10 SSU 523826.13 SSU 523826.14 | Steering System | Main Primary Steering Sensor Problem. Have John Deere dealer repair at earliest convenience. |
| SSU 524221.09 | Communication System | No Communication Data. Have John Deere dealer repair at earliest convenience. |
| Tractor Equipment Control Unit Diagnostic Trouble Codes (TEC) | ||
| TEC 522550.14 | Incompatible Device | At Least One Non Compliant Device Connected to Connector. Have John Deere dealer repair as soon as possible. |
| Vehicle Load Center Control Unit Diagnostic Trouble Codes (VLC) | ||
| VLC 001542.04 | Electrical System | Wake Up Signal Voltage Low. Likely an open circuit. Have John Deere dealer repair at earliest convenience. |
| VLC 002030.06 | Electrical System | VLC Circuit Current High. Remove all operator customized accessories such as flood lights, hazard lights and window wipers. Total output excessive. Have John Deere dealer repair at earliest convenience. |
| VLC 002050.09 | Communication System | CLC Message Missing. Have John Deere dealer repair at earliest convenience. |
| VLC 002348.06 | Lighting System | High Beam Light Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| VLC 002350.06 | Lighting System | Low Beam Light Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| VLC 002354.06 | Lighting System | Front Outer Flood Light Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| VLC 002356.06 | Lighting System | Front Inner Flood Light Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| VLC 002388.06 | Lighting System | Center Spot Light Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| VLC 522310.06 | Electrical System | ELX Output Circuit Current High. Have John Deere dealer repair at earliest convenience. |
| VLC 522311.06 | Washer System | Rear Washer Pump Circuit Current Problem. Have John Deere dealer repair as soon as possible. |
| VLC 522312.06 | Washer System | Front Washer Pump Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
| VLC 522620.06 | Electrical System | Horn Circuit Current Problem. Have John Deere dealer repair at earliest convenience. |
