The SCO control software controls the E-SCV selective control valves. The SCO control software is included in the front chassis control unit.
The control software receives signals via the vehicle CAN bus (500 kBd):
Tractors with CommandArm™
– LIN Bus Module (Position D)
– LIN Bus Module (Position E)
– LIN Bus Module (Position P)
– LIN Bus Module (Position F)
– LIN Bus Module (Position G)
– LIN Bus Module (Position F and G)
– E-SCV Remote Control Switch (Left)
– E-SCV Remote Control Switch (Right)
Tractors without CommandArm™
– LIN Bus Module (Multi-Function Lever)
– Mechanical Multi-Function Lever (M-SCV)
On tractors with the function for position feedback
– Piston Pressure Sensor
– Sensor for Position of Loader Boom
– Sensor for Position of Loader Bucket
– Piston Rod Pressure Sensor
The control software controls the following components:
– E-SCV XI Stepper Motor
– E-SCV XII Stepper Motor
– E-SCV XIII Stepper Motor
– E-SCV X Stepper Motor (Stepper Motor for Premium Front Hitch)

John Deere SCO fault codes / John Deere SCO diagnostic trouble codes

NOTE:This page only indicates the meaning of the fault codes. For complete troubleshooting information, see the technical manuals.

SCO 000084.14 (SCO 84.14)— INFORMATION FOR OPERATOR: Travel Speed Too High
The operator information (diagnostic trouble code) is generated if the travel speed is too high while the return-toposition function is activated.

SCO 000084.19 (SCO 84.19 )— Wheel Speed Sensor, Fault
Transmission output speed signal cannot be determined and provided on the CAN Bus by PTA control software (AutoPowr™/IVT™ transmission), PTQ control software (PowrQuad™ transmission) or PTD control software (DirectDrive transmission). A transmitted replacement value generates this diagnostic trouble code. In its active state, this fault can also generate a diagnostic trouble code at the PTA, PTQ or PTD control software. These diagnostic trouble codes take priority.
Reaction of the control software: Limited or no function of the control software.

SCO 000158.04 (SCO 158.04)— Control Software, Supply Voltage (ELX) Too Low
Supply voltage (ELX) below 9 volts.
Reaction of the control software: Limited or no function of the control software.

SCO 000168.03 (SCO 168.03)— Control Software, Supply Voltage (BAT) Too High
Supply voltage (BAT) above 16 volts.
Reaction of the control software: Limited or no function of the control software.

SCO 000168.04 (SCO 168.04)— Control Software, Supply Voltage (BAT) Too Low
Supply voltage (BAT) below 9 volts.
Reaction of the control software: Limited or no function of the control software.

SCO 000177.01 (SCO 177.01)— Hydraulic Oil Temperature Too Low
Hydraulic oil temperature below -25°C (-13°F). The function of the E-SCVs is temperature-dependent:
– Hydraulic oil temperature below -25 °C (-13 °F): No function of E-SCVs.
– Hydraulic oil between -15°C and -25°C (5°F und -13°F): No function or limited function of E-SCVs.
Reaction of the control software: Limited or no function of the selective control valves.

SCO 000177.02 (SCO 177.02)— Hydraulic Oil Temperature Too Low During Front Hitch Calibration
Heat hydraulic oil above 40 °C (104 °F).
Reaction of the control software: Limited or no function of the selective control valves.

SCO 000190.02 (SCO 190.02)— INFORMATION FOR OPERATOR: Engine Speed Too Low During Front Hitch Calibration
Engine speed too low during the calibration.

SCO 000190.09 (SCO 190.09)— Incorrect CAN BUS Message, Information from ECU Control Unit
This diagnostic trouble code is generated if a data transfer problem occurs between ECU control unit and SCO control software. Reception of one, several or all of the CAN messages transmitted by the ECU control unit is intermittent or non-existent (intermittent reception could be due to a loose wire). This indicates a problem in the CAN BUS or in the transmitting control software.
Reaction of the control software: Limited or no function of the control software.

SCO 000190.19 (SCO 190.19)— Engine Speed Sensor Fault
Engine speed cannot be determined and provided on the CAN Bus by the ECU control software. A transmitted replacement value generates this diagnostic trouble code. In its active state, this fault can also generate a diagnostic trouble code at the ECU control software. These diagnostic trouble codes take priority.
Reaction of the control software: Limited or no return-to-position function.

SCO 000628.02 (SCO 628.02)— Control Software Internal Fault
Error when reading the internal module (EEPROM).
Reaction of the control software: Limited or no function of the control software.

SCO 000629.12 (SCO 629.12 )— Control Software Internal Fault
A fault occurred when the software was launched (watchdog).
Reaction of the control software: Limited or no function of the control software.

SCO 000630.13 (SCO 630.13)— Control Software Not Calibrated
One or more of the functions in the control software active, but not yet calibrated.
Reaction of the control software: Limited or no function of the selective control valves.

SCO 000924.03 (SCO 924.03)— Stepper Motors for E-SCV X and E-SCV XI, Supply Voltage Too High
Supply voltage (BAT) above 16 volts.
Reaction of the control software: Limited or no function of the selective control valves.

SCO 000924.04 (SCO 924.04)— Stepper Motors for E-SCV X and E-SCV XI, Supply Voltage Too Low
Voltage at stepper motor input below 9 volts. This indicates a short to ground.
Reaction of the control software: Limited or no function of the selective control valves.

SCO 000925.03 (SCO 925.03)— Stepper Motor for E-SCV XII, Supply Voltage Too High
Supply voltage (BAT) above 16 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 000925.04 (SCO 925.04)— Stepper Motor for E-SCV XII, Supply Voltage Too Low
Voltage at stepper motor input below 9 volts. This indicates a short to ground.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 000926.03 (SCO 926.03)— Stepper Motor for E-SCV XIII, Supply Voltage Too High
Supply voltage (BAT) above 16 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 000926.04 (SCO 926.04)— Stepper Motor for E-SCV XIII, Supply Voltage Too Low
Voltage at stepper motor input below 9 volts. This indicates a short to ground.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 001872.02 (SCO 1872.02)— Calibration Not Successful
SCO control software cannot be calibrated due to a fault.
Reaction of the control software: Limited or no function of the front hitch.

SCO 001872.03 (SCO 1872.03)— Front Hitch Position Sensor, Voltage Too High
5-volt supply voltage above 5.25 volts. This indicates a short to 12 volts.
Reaction of the control software: Limited or no function of the front hitch.

SCO 001872.04 (SCO 1872.04)— Front Hitch Position Sensor, Voltage Too Low
5-volt supply voltage below 4.55 volts. This indicates a short to ground.
Reaction of the control software: Limited or no function of the front hitch.

SCO 001872.07 (SCO 1872.07)— Front Hitch Position Sensor Fault
Front hitch does not reach saved position or is blocked.
Reaction of the control software: Limited or no function of the front hitch.

SCO 001872.16 (SCO 1872.16)— Front Hitch Position Sensor, Voltage Too High
Voltage of sensor above 4.7 volts.
Reaction of the control software: Limited or no function of the front hitch.

SCO 001872.18 (SCO 1872.18 )— Front Hitch Position Sensor, Voltage Too Low
Voltage of sensor below 0.3 volts.
Reaction of the control software: Limited or no function of the front hitch.

SCO 002000.09 (SCO 2000.09)— Incorrect CAN BUS Message, Information from ECU Control Unit
This diagnostic trouble code is generated if a data transfer problem occurs between ECU control unit and SCO control software. Reception of one, several or all of the CAN messages expected by ECU control unit is intermittent or non-existent (intermittent reception could be due to a loose wire). This indicates a problem in the CAN BUS or in the transmitting control software.
Reaction of the control software: Limited or no function of the control software.

SCO 002003.09 (SCO 2003.09)— CAN Bus Message Cannot Be Received, Information from PTA/PTQ or PTD Control Software
Data transfer problem between the SCO control software and PTA (AutoPowr™/IVT™ transmission), PTQ (PowrQuad™ transmission) or PTD (DirectDrive transmission) control software. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: Limited or no function of the control software.

SCO 002006.09 (SCO 2006.09)— CAN Bus Message Cannot Be Received, Information from EIC Control Software
Data transfer problem between the SCO control software and EIC control software. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: Limited or no function of the control software.

SCO 002034.09 (SCO 2034.09)— Incorrect CAN Bus Message, Information from SCC Control Software
Data transfer problem between the SCC control software and SCO control software. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: Limited or no function of the control software.

SCO 002049.09 (SCO 2049.09)— Incorrect CAN BUS Message, Information from OIC Control Software
This diagnostic trouble code is generated if a data transfer problem occurs between control software OIC and control software SCO. Reception of one, several or all of the CAN messages expected by the OIC control software is intermittent or non-existent (intermittent reception could be due to a loose wire). This indicates a problem in the CAN BUS or in the transmitting control software.
Reaction of the control software: Limited or no function of the control software.

SCO 002071.09 (SCO 2071.09)— Incorrect CAN Bus Message, Information from CCU Control Software
Data transfer problem between the CCU control software and SCO control software. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: Limited or no function of the control software.

SCO 002139.09 (SCO 2139.09)— Incorrect CAN Bus Message, Information from CSM Control Software
The diagnostic trouble code is generated if a data transfer problem occurs between the CSM control software and the SCO control software. Reception of one, several or all of the CAN messages transmitted by the CSM control software is intermittent or non-existent (intermittent reception could be due to a loose wire). This indicates a problem in the CAN Bus or in the transmitting control software.
Control software response: Limited or no function of the control software.

SCO 002140.09 (SCO 2140.09)— Incorrect CAN BUS Message, Information from AIC Control Software
This diagnostic trouble code is generated if a data transfer problem occurs between control software AIC and control software SCO. Reception of one, several or all of the CAN messages expected by the AIC control software is intermittent or non-existent (intermittent reception could be due to a loose wire). This indicates a problem in the CAN BUS or in the transmitting control software.
Reaction of the control software: Limited or no function of the control software.

SCO 002170.09 (SCO 2170.09)— CAN Bus Message Cannot Be Received, Information from E-SCV X
Data transfer problem between the SCO control software and E-SCV X. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 002171.09 (SCO 2171.09)— CAN Bus Message Cannot Be Received, Information from E-SCV XI
Data transfer problem between the SCO control software and E-SCV XI. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 002172.09 (SCO 2172.09)— CAN Bus Message Cannot Be Received, Information from E-SCV XII
Data transfer problem between the SCO control software and E-SCV XII. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 002173.09 (SCO 2173.09)— CAN Bus Message Cannot Be Received, Information from E-SCV XIII
Data transfer problem between the SCO control software and E-SCV XIII. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 002174.09 (SCO 2174.09)— CAN Bus Message Cannot Be Received, Information from E-SCV XIV
Data transfer problem between the SCO control software and E-SCV XIV. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 002175.09 (SCO 2175.09)— CAN Bus Message Cannot Be Received, Information from E-SCV XV
Data transfer problem between the SCO control software and E-SCV XV. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 002602.02 (SCO 2602.02)— Hydraulic Oil Level Sensor, Oil Level Too Low
Hydraulic oil level too low.
Reaction of the control software: Limited or no function of the selective control valves.

SCO 002602.14 (SCO 2602.14)— Hydraulic Oil Level Sensor, Oil Level Too Low (No Operator Presence Signal Detected)
Hydraulic oil level very low while no operator presence signal is detected.
Reaction of the control software: No function of the selective control valves.

SCO 002602.18 (SCO 2602.18)— Hydraulic Oil Level Sensor, Oil Level Too Low
Hydraulic oil level very low.
Reaction of the control software: Limited or no function of the selective control valves.

SCO 002646.03 (SCO 2646.03)— Stepper Motors for E-SCV XI and E-SCV XIV, Voltage Too High
Circuit open or shorted to 12 volts.
Reaction of the control software: Limited or no function of the selective control valves.

SCO 003509.03 (SCO 3509.03)— 5-Volt Supply Voltage, Voltage Too High
Voltage supply of 5-volt components above 5.25 volts. This indicates a short to 12 volts.
Reaction of the control software: Limited or no function of the control software.

SCO 003509.04 (SCO 3509.04)— 5-Volt Supply Voltage, Voltage Too Low
Voltage supply of 5-volt components below 4.55 volts. This indicates a short to ground or an internal fault of the control unit.
Reaction of the control software: Limited or no function of the control software.

SCO 516122.03 — Stepper Motor for E-SCV X, Supply Voltage Too High
Supply voltage (BAT) above 16 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 516122.05 — Stepper Motor for E-SCV X, Current Too Low
Circuit current too low. This indicates an open circuit.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 516122.06 — Stepper Motor for E-SCV X, Current Too High
Circuit current too high. This indicates a short to ground.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 516454.03 — E-SCV X Not Calibrated
Deadband during calibration too large.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 516454.04 — E-SCV X Not Calibrated
Deadband during calibration too small.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 516454.12 — E-SCV X Not Calibrated
The front hitch does not move or moves in the wrong direction during calibration.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 516454.13 — E-SCV X Not Calibrated
One or more of the functions in the control software active, but not yet calibrated.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 516454.14 — CAN Bus Message Cannot Be Received, Information from E-SCV X
Data transfer problem between the SCO control software and E-SCV X. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: No function of the selective control valve.

SCO 516455.00 — Stepper Motor for E-SCV X, Temperature Too High
The temperature of the stepper motor is above 100 °C (212 °F). The stepper motor does not become operable again until the temperature drops below 100°C (212°F).
Reaction of the control software: No function of the selective control valve.

SCO 516455.01 — Stepper Motor for E-SCV X, Temperature Too Low
The temperature of the stepper motor is below -45 °C (-49 °F).
Reaction of the control software: No function of the selective control valve.

SCO 516455.18 — Stepper Motor for E-SCV X, Hydraulic Oil Temperature and Supply Voltage Too Low
Supply voltage (BAT) too low (9 – 11 volts) and hydraulic oil temperature between -25 °C (-13 °F) and -15 °C (5 °F).
Reaction of the control software: Limited or no function of the selective control valve.

SCO 516457.14 — Control Software Internal Fault
The SCO control software and the SCC control software are programmed with different software versions.
Reaction of the control software: Limited or no function of the control software.

SCO 516458.00 — Stepper Motor for E-SCV X, Supply Voltage Too High
Supply voltage (BAT) above 16 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 516458.01 — Stepper Motor for E-SCV X, Supply Voltage Too Low
Supply voltage (BAT) below 9 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 516460.03 — E-SCV X, Voltage Too High
Circuit open or shorted to 12 volts.
Reaction of the control software: Limited or no function of the control software.

SCO 516460.04 — E-SCV X, Voltage Too Low
Voltage below 9 volts. This indicates a short to ground.
Reaction of the control software: Limited or no function of the control software.

SCO 516741.03 — Commutation Valve (E-SCV XIV and E-SCV XV), Voltage Too High
Circuit open or shorted to 12 V.
Reaction of the control software: E-SCV XIV and E-SCV XV function limited.

SCO 516741.05 — Commutation Valve (E-SCV XIV and E-SCV XV), Current Too Low
Circuit current too low. This indicates an open circuit.
Reaction of the control software: E-SCV XIV and E-SCV XV function limited.

SCO 516741.06 — Commutation Valve (E-SCV XIV and E-SCV XV), Current Too High
Circuit current too high. This indicates a short to ground.
Reaction of the control software: Diverter valve function / memo function limited.

SCO 516814.03 — Diverter Valve / Memo Function, Voltage Too High
Circuit open or shorted to 12 V.
Reaction of the control software: Diverter valve function / memo function limited.

SCO 516814.06 — Diverter Valve / Memo Function, Current Too High
Circuit current too high. This indicates a short to ground.
Reaction of the control software: Diverter valve function / memo function limited.

SCO 516816.03 — Valve for Hitch Dampening, Voltage Too High
Circuit open or shorted to 12 V.
Reaction of the control software: Hitch dampening function limited.

SCO 516816.05 — Valve for Hitch Dampening, Current Too Low
Circuit current too low. This indicates an open circuit.
Reaction of the control software: Hitch dampening function limited.

SCO 516816.06 — Valve for Hitch Dampening, Current Too High
Circuit current too high. This indicates a short to ground.
Reaction of the control software: Hitch dampening function limited.

SCO 517127.19 — Loader Boom Position Sensor Fault
The diagnostic trouble code is generated if the stored position of the loader boom cannot be reached. The diagnostic trouble code may also be generated when the loader boom is blocked.
Reaction of the control software: Return-to-position function limited.

SCO 517128.19 — Loader Bucket Position Sensor, Fault
Loader bucket moves in the wrong direction. This indicates an error at the hydraulic connections.
Reaction of the control software: Return-to-position function not available.

SCO 520529.03 — Loader Boom Position Sensor (Channel 1), Voltage Too High
Voltage at sensor input above 4.75 volts.
Reaction of the control software: Return-to-position function limited.

SCO 520529.04 — Loader Boom Position Sensor (Channel 1) Voltage Too Low
The diagnostic trouble code is generated if a voltage of less than 0.25 volts is detected at channel 1 of the sensor for position of loader boom.
Control software response: Return-to-position function limited.

SCO 520529.07 — Loader Boom Position Sensor Fault
The diagnostic trouble code is generated if the stored position of the loader boom cannot be reached. The diagnostic trouble code may also be generated when the loader boom is blocked.
Control software response: Return-to-position function limited.

SCO 520529.12 — Loader Boom Position Sensor Fault
The diagnostic trouble code is generated if the sensor for position of loader boom detects movement in the wrong direction. Connection of the hydraulic hoses may be incorrect.
Control software response: Return-to-position function limited.

SCO 520529.13 — Control Software Not Calibrated
The diagnostic trouble code is generated if one or more of the functions are activated in the control software, but have not yet been calibrated.
Reaction of the control software: Limited or no return-to-position function.

SCO 520529.14 — Return-to-Position Function Not Calibrated
The diagnostic trouble code is generated if the SCO control software detects that the return-to-position function has not yet been calibrated.
Reaction of the control software: Limited or no return-to-position function.

SCO 520529.16 — Loader Boom Position Sensor Value Too High
The diagnostic trouble code is generated if the SCO control software measures a loader boom angle that is above the end stop.
Control software response: Return-to-position function limited.

SCO 520529.18 — Loader Boom Position Sensor Value Too Low
The diagnostic trouble code is generated if the SCO control software measures a loader boom angle that is below the end stop.
Control software response: Return-to-position function limited.

SCO 520529.31 — Loader Boom Position Sensor, Voltage Ratio Between Channel 1 and Channel 2 Not Correct
The loader boom position sensor consists of two separate sensors. The signal voltage of sensor 2 is 1/2 of the signal voltage of sensor 1. The difference is 0.4 volts or more.
Reaction of the control software: Return-to-position function limited.

SCO 520530.03 — Loader Boom Position Sensor (Channel 2), Voltage Too High
Voltage at sensor input above 2.375 volts. This indicates a short to 12 volts.
Reaction of the control software: Return-to-position function limited.

SCO 520530.04 — Loader Boom Position Sensor (Channel 2), Voltage Too Low
Voltage at sensor input below 0.125 volts. This indicates a short to ground.
Reaction of the control software: Return-to-position function limited.

SCO 520530.14 — Settings for Front Loader Incorrect
The diagnostic trouble code is generated if the settings for the front loader are incorrect.
Reaction of the control software: Limited or no return-to-position function.

SCO 520531.03 — Loader Bucket Position Sensor, Voltage Too High
Voltage at sensor input above 4.75 volts.
Reaction of the control software: Return-to-position function limited.

SCO 520531.04 — Loader Bucket Position Sensor, Voltage Too Low
Voltage at sensor input below 0.25 volts. This indicates a short to ground.
Reaction of the control software: Return-to-position function limited.

SCO 520531.07 — Loader Bucket Position Sensor Fault
Loader bucket does not reach saved position or is blocked.
Reaction of the control software: Return-to-position function not available.

SCO 520531.11 — Loader Bucket Position Sensor Fault
Too much of a difference between desired and actual position of the loader bucket. Return multi-function lever to neutral position.
Reaction of the control software: Return-to-position function not available.

SCO 520531.12 — Loader Bucket Position Sensor Fault
Loader bucket moves in the wrong direction. This indicates a fault at the hydraulic connections.
Reaction of the control software: Return-to-position function not available.

SCO 520531.14 — Return-to-Position Function Fault
The diagnostic trouble code is generated if no front loader is connected or if no loader bucket or loader boom position sensor is detected.
Control software response: Return-to-position function not available.

SCO 520531.16 — Loader Bucket Position Sensor Angle Too High
The diagnostic trouble code is generated if the control software receives a value for the loader bucket angle that is above the value for the upper stop.
Reaction of the control software: Return-to-position function not available.

SCO 520531.17 — Loader Bucket Position Sensor Value Too Low
The diagnostic trouble code is generated if the control software receives a value for the loader bucket angle that is below the value for the lower stop.
Reaction of the control software: Return-to-position function not available.

SCO 520531.18 — Loader Bucket Position Sensor Value Too High
The diagnostic trouble code is generated if the control software receives a value for the loader bucket angle that is above the value for the upper stop of the return-to-position function.
Control software response: Return-to-position function not available.

SCO 520542.03 — Vehicle CAN Bus (500 kBd), Voltage Too High
Voltage of CAN+ too high. This indicates a short to 12 volts.
Reaction of the control software: Limited or no function of the control software.

SCO 520543.04 — Vehicle CAN Bus (500 kBd), Voltage Too Low
CAN- voltage too low. This indicates a short to ground.
Reaction of the control software: Limited or no function of the control software.

SCO 520873.02 — Control Software Internal Fault
Error when reading the internal module (EEPROM).
Reaction of the control software: Limited or no function of the control software.

SCO 520874.02 — Control Software Internal Fault
Error when reading the internal module (EEPROM).
Reaction of the control software: Limited or no function of the control software.

SCO 520893.02 — Control Software Internal Fault
Error when reading the internal module (EEPROM).
Reaction of the control software: Limited or no function of the control software.

SCO 521401.19 — Incorrect CAN Bus Message, Information from AIC Control Software
The value of the control lever for E-SCV X cannot be determined and provided on the CAN Bus by the AIC control software. A transmitted replacement value generates this diagnostic trouble code. In its active state, this fault can also generate diagnostic trouble codes at the AIC control software. These diagnostic trouble codes take priority.
Reaction of the control software: No function of the selective control valve.

SCO 521401.31 — Control Lever for E-SCV X, Fault
The AIC control software detects an open in the circuit of the control lever for E-SCV X. A transmitted replacement value generates this diagnostic trouble code in the SCO control software. In its active state, this fault can also generate a diagnostic trouble code at the AIC control software. This diagnostic trouble code takes priority.
Reaction of the control software: No function of the selective control valve.

SCO 521404.19 — Incorrect CAN Bus Message, Information from AIC Control Software
The value of the control lever for E-SCV XI cannot be determined and provided on the CAN Bus by the AIC control software. A transmitted replacement value generates this diagnostic trouble code. In its active state, this fault can also generate diagnostic trouble codes at the AIC control software. These diagnostic trouble codes take priority.
Reaction of the control software: No function of the selective control valve.

SCO 521404.31 — Control Lever for E-SCV XI, Fault
The AIC control software detects an open in the circuit of the control lever for E-SCV XI. A transmitted replacement value generates this diagnostic trouble code in the SCO control software. In its active state, this fault can also generate a diagnostic trouble code at the AIC control software. This diagnostic trouble code takes priority.
Reaction of the control software: No function of the selective control valve.

SCO 521405.19 — Incorrect CAN Bus Message, Information from AIC Control Software
The value of the control lever for E-SCV XII cannot be determined and provided on the CAN Bus by the AIC control software. A transmitted replacement value generates this diagnostic trouble code. In its active state, this fault can also generate diagnostic trouble codes at the AIC control software. These diagnostic trouble codes take priority.
Reaction of the control software: No function of the selective control valve.

SCO 521405.31 — Control Lever for E-SCV XII, Fault
The AIC control software detects an open in the circuit of the control lever for E-SCV XII. A transmitted replacement value generates this diagnostic trouble code in the SCO control software. In its active state, this fault can also generate a diagnostic trouble code at the AIC control software. This diagnostic trouble code takes priority.
Reaction of the control software: No function of the selective control valve.

SCO 521406.19 — Incorrect CAN Bus Message, Information from AIC Control Software
The value of the control lever for E-SCV XIII cannot be determined and provided on the CAN Bus by the AIC control software. A transmitted replacement value generates this diagnostic trouble code. In its active state, this fault can also generate diagnostic trouble codes at the AIC control software. These diagnostic trouble codes take priority.
Reaction of the control software: No function of the selective control valve.

SCO 521406.31 — Control Lever for E-SCV XIII, Fault
The AIC control software detects an open in the circuit of the control lever for E-SCV XIII. A transmitted replacement value generates this diagnostic trouble code in the SCO control software. In its active state, this fault can also generate a diagnostic trouble code at the AIC control software. This diagnostic trouble code takes priority.
Reaction of the control software: No function of the selective control valve.

SCO 522161.31 — INFORMATION FOR OPERATOR: Operator Presence Switch Not Activated While E-SCV XII is Activated
No Signal from operator presence switch for more than 1 second while E-SCV is activated.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 522162.31 — INFORMATION FOR OPERATOR: Operator Presence Switch Not Activated While E-SCV XIII is Activated
No Signal from operator presence switch for more than 1 second while E-SCV is activated.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 522163.31 — INFORMATION FOR OPERATOR: Operator Presence Switch Not Activated While E-SCV XI is Activated
No Signal from operator presence switch for more than 1 second while E-SCV is activated.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 522164.31 — INFORMATION FOR OPERATOR: Operator Presence Switch Not Activated While E-SCV X is Activated
No Signal from operator presence switch for more than 1 second while E-SCV is activated.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 522390.09 — Incorrect CAN BUS Message, Information from Implement
The diagnostic trouble code is issued when non valid information is received from the implement via the CAN BUS implement.
Reaction of the control software: All functions of the Tractor-Implement Automation™ are deactivated.

SCO 522390.11 — Tractor-Implement Automation™ Fault
The diagnostic trouble code is generated if the come-home mode has been activated for a tractor with AutoPowr™/IVT™ transmission. This deactivates all functions of the Tractor-Implement Automation™.

SCO 523216.03 — E-SCV X and E-SCV XI, Voltage Too High
Circuit open or shorted to 12 volts.
Reaction of the control software: Limited or no function of the control software.

SCO 523216.04 — E-SCV X and E-SCV XI, Voltage Too Low
Voltage below 9 volts. This indicates a short to ground.
Reaction of the control software: Limited or no function of the control software.

SCO 523217.03 — E-SCV XII, Voltage Too High
Circuit open or shorted to 12 volts.
Reaction of the control software: Limited or no function of the control software.

SCO 523217.04 — E-SCV XII, Voltage Too Low
Voltage below 9 volts. This indicates a short to ground.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 523272.02 — Remote Control Switch of Front Hitch, Fault
The remote control switch of the front hitch is faulty. This may point to a defective switch or a defective circuit.
Reaction of the control software: Limited or no function of the front hitch.

SCO 523343.19 — Incorrect CAN Bus Message, Information from AIC Control Software
The value of the multi-function lever (function 3) cannot be determined and provided on the CAN Bus by the AIC control software. A transmitted replacement value generates this diagnostic trouble code. In its active state, this fault can also generate diagnostic trouble codes at the AIC control software. These diagnostic trouble codes take priority.
Reaction of the control software: No function of the selective control valve.

SCO 523775.19 — Multi-Function Lever, E-SCV Activation Switch, Fault
The value of the activation switch cannot be determined and provided on the CAN Bus by the AIC control software. A transmitted replacement value generates this diagnostic trouble code. In its active state, this fault can also generate a diagnostic trouble code at the AIC control software. These diagnostic trouble codes take priority.
Reaction of the control software: Limited or no function of the selective control valves.

SCO 523775.31 — Multi-Function Lever, E-SCV Activation Switch, Fault
The AIC control software detects that the circuit of the E-SCV activation switch is open. A transmitted replacement value generates this diagnostic trouble code in the SCO control software. In its active state, this fault can also generate a diagnostic trouble code at the AIC control software. This diagnostic trouble code takes priority.
Reaction of the control software: Limited or no function of the selective control valves.

SCO 523776.19 — Multi-Function Lever, Transport Lock Button Fault
The AIC control software detects an open in the circuit of the transport lock switch. A transmitted replacement value generates this diagnostic trouble code in the SCO control software. In its active state, this fault can also generate a diagnostic trouble code at the AIC control software. This diagnostic trouble code takes priority.
Reaction of the control software: Limited or no function of the selective control valves.

SCO 523804.19 — Multi-Function Lever (Potentiometer) Function 2, Fault
The value of the multi-function lever (function 2) cannot be determined and provided on the CAN Bus by the AIC control software. A transmitted replacement value generates this diagnostic trouble code. In its active state, this fault can also generate diagnostic trouble codes at the AIC control software. These diagnostic trouble codes take priority.
Reaction of the control software: No function of the selective control valve.

SCO 523805.19 — Incorrect CAN Bus Message, Information from AIC Control Software
The value of the multi-function lever (function 1) cannot be determined and provided on the CAN Bus by the AIC control software. A transmitted replacement value generates this diagnostic trouble code. In its active state, this fault can also generate diagnostic trouble codes at the AIC control software. These diagnostic trouble codes take priority.
Reaction of the control software: No function of the selective control valves.

SCO 523827.14 — CAN Bus Message Cannot Be Received, Information from E-SCV XIII
Data transfer problem between the SCO control software and E-SCV XIII. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: No function of the selective control valve.

SCO 523828.14 — CAN Bus Message Cannot Be Received, Information from E-SCV XII
Data transfer problem between the SCO control software and E-SCV XII. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: No function of the selective control valve.

SCO 523829.13 — Return-to-Position Function Not Calibrated
The diagnostic trouble code is generated if the SCO control software detects that the return-to-position function has not yet been calibrated.
Reaction of the control software: Limited or no return-to-position function.

SCO 523829.14 — CAN Bus Message Cannot Be Received, Information from E-SCV XI
Data transfer problem between the SCO control software and E-SCV XI. This indicates a problem in the CAN Bus or in the transmitting control software.
Reaction of the control software: No function of the selective control valve.

SCO 523869.00 — Stepper Motor for E-SCV XI, Temperature Too High
The temperature of the stepper motor is above 100 °C (212 °F). The stepper motor does not become operable again until the temperature drops below 100°C (212°F).
Reaction of the control software: No function of the selective control valve.

SCO 523869.01 — Stepper Motor for E-SCV XI, Temperature Too Low
The temperature of the stepper motor is below -45 °C (-49 °F).
Reaction of the control software: No function of the selective control valve.aunch Close

SCO 523869.18 — Stepper Motor for E-SCV XI, Hydraulic Oil Temperature and Supply Voltage Too Low
Supply voltage (BAT) too low (9 – 11 volts) and hydraulic oil temperature between -25 °C (-13 °F) and -15 °C (5 °F).
Reaction of the control software: Limited or no function of the selective control valve.

SCO 523870.00 — Stepper Motor for E-SCV XII, Temperature Too High
The temperature of the stepper motor is above 100 °C (212 °F). The stepper motor does not become operable again until the temperature drops below 100°C (212°F).
Reaction of the control software: No function of the selective control valve.

SCO 523870.01 — Stepper Motor for E-SCV XII, Temperature Too Low
The temperature of the stepper motor is below -45 °C (-49 °F).
Reaction of the control software: No function of the selective control valve.

SCO 523870.18 — Stepper Motor for E-SCV XII, Hydraulic Oil Temperature and Supply Voltage Too Low
Supply voltage (BAT) too low (9 – 11 volts) and hydraulic oil temperature between -25 °C (-13 °F) and -15 °C (5 °F).
Reaction of the control software: Limited or no function of the selective control valve.

SCO 523871.00 — Stepper Motor for E-SCV XIII, Temperature Too High
The temperature of the stepper motor is above 100 °C (212 °F). The stepper motor does not become operable again until the temperature drops below 100°C (212°F).
Reaction of the control software: No function of the selective control valve.

SCO 523871.01 — Stepper Motor for E-SCV XIII, Temperature Too Low
The temperature of the stepper motor is below -45 °C (-49 °F).
Reaction of the control software: No function of the selective control valve.

SCO 523871.18 — Stepper Motor for E-SCV XIII, Hydraulic Oil Temperature and Supply Voltage Too Low
Supply voltage (BAT) too low (9 – 11 volts) and hydraulic oil temperature between -25 °C (-13 °F) and -15 °C (5 °F).
Reaction of the control software: Limited or no function of the selective control valve.

SCO 523884.00 — Stepper Motor for E-SCV XI, Supply Voltage Too High
Supply voltage (BAT) above 16 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 523884.01 — Stepper Motor for E-SCV XI, Supply Voltage Too Low
Supply voltage (BAT) below 9 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 523885.00 — Stepper Motor for E-SCV XII, Supply Voltage Too High
Supply voltage (BAT) above 16 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 523885.01 — Stepper Motor for E-SCV XII, Supply Voltage Too Low
Supply voltage (BAT) below 9 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 523886.00 — Stepper Motor for E-SCV XIII, Supply Voltage Too High
Supply voltage (BAT) above 16 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 523886.01 — Stepper Motor for E-SCV XIII, Supply Voltage Too Low
Supply voltage (BAT) below 9 volts.
Reaction of the control software: Limited or no function of the selective control valve.

SCO 523910.02 — Control Software Internal Fault
Error when reading the internal module (EEPROM).
Reaction of the control software: Limited or no function of the control software.