1002 – Raise hitch valve coil short to 12 volts or raise hitch valve coil circuit failure
Cause: This fault occurs if the high side driver duty cycle is 0 and the high side driver is off and its output is greater than 0.125 A.
Possible failure modes:
1. Faulty connector
2. Faulty electronic draft control (EDC) valve raise solenoid
3. Faulty harness
4. Faulty tractor control unit (TCU)
1003 – Hitch raise solenoid failed open or shorted to ground
Cause: This fault occurs if the high side driver duty cycle is greater than 20 % or the high side driver is full on and its output is less than 0.125 A.
Possible failure modes:
1. Faulty connector
2. Faulty electronic draft control (EDC) valve raise solenoid
3. Faulty harness
4. Faulty tractor control unit (TCU)
1004 – Lower hitch valve coil short to 12 volts
Cause: This fault occurs if the high side driver duty cycle is 0 and the high side driver is off and its output is greater than 0.125 A.
Possible failure modes:
1. Faulty connector
2. Faulty electronic draft control (EDC) valve lower solenoid
3. Faulty harness
4. Faulty tractor control unit (TCU)
1005 – Lower hitch valve coils – open or short to ground
Cause: This fault occurs if the high side driver duty cycle is greater than 20 % or the high side driver is full on and its output is less than 0.125 A.
Possible failure modes:
1. Faulty connector
2. Faulty electronic draft control (EDC) valve lower solenoid
3. Faulty harness
4. Faulty tractor control unit (TCU)
1006 – Electronic draft control low side driver stuck on failure
Cause: Low side driver is below the calculated voltage limit for 10 milliseconds.
Possible failure modes:
1. Faulty connector
2. Faulty electronic draft control (EDC) valve lower or raise solenoid
3. Faulty harness
4. Faulty tractor control unit (TCU)
1007 – Low side driver watchdog test failed
Cause: Self test failed
Possible failure modes:
1. Tractor control unit (TCU) harness not wired correctly
2. Software issue
1008 – Low side of raise solenoid connected permanently to ground
Cause: This fault occurs if the low side EDC raise hitch solenoid is grounded for 250 milliseconds.
Possible failure modes:
1. Faulty connector
2. Faulty electronic draft control (EDC) valve raise solenoid
3. Faulty harness
4. Faulty tractor control unit (TCU)
1009 – Low side of lower solenoid connected permanently to ground
Cause: Low side driver is off but high side driver does not detect an open circuit.
Possible failure modes:
1. Faulty connector
2. Faulty electronic draft control (EDC) valve lower solenoid
3. Faulty harness
4. Faulty tractor control unit (TCU)
1011 – Tractor Controller Unit is disconnected from the CAN bus
Cause: Tractor control unit is disconnected from the CAN data bus for ten milliseconds.
Possible failure modes:
1. Controller communication error.
2. Loose connection or damaged can bus wiring.
3. Bad terminator.
1012 – Communication lost with the armrest controller
Cause: This fault occurs if the armrest control units is not present for 10 milliseconds.
Possible failure modes:
1. Bad connection between th tractor control unit (TCU) and the armrest controller.
2. Controller failure.
1013 – Communication lost with the instrument controller
Cause: This fault occurs if the instrument cluster is not present for 10 milliseconds.
Possible failure modes:
1. Bad connection between the tractor control unit (TCU) and the instrument cluster (ICU).
2. Controller failure.
1014 – 5 volt reference is above the upper voltage limit
Cause: The 5 V reference voltage is monitored and is consistently greater than 5.8 V .
Possible failure modes:
1. Short circuit to 8 V or 12 V power source.
1015 – 5 volt reference is below the lower voltage limit
Cause: The 5 V reference voltage is monitored and is consistently less than 4.2 V .
Possible failure modes:
1. Short circuit to ground or an open circuit.
2. No power or ground to tractor control unit (TCU). Other low voltage fault codes will be recorded on controllers.
1017 – Hitch position command potentiometer failure
Cause: The data bus signaled that the hitch position command potentiometer has failed. The tractor control unit (TCU) received the signal directly from potentiometer.
Possible failure modes:
1. The hitch position command potentiometer has failed.
1018 – Rockshaft position potentiometer is outside normal operating range Hitch position potentiometer
Cause: The hitch position feedback is outside the expected hitch pot range (60 to 1000 counts) for 100 milliseconds.
Possible failure modes:
1. Potentiometer linkage problem.
2. Rock shaft (hitch position) potentiometer has failed.
3. Harness damage.
1019 – Upper limit potentiometer failure
Cause: The data bus signaled that the upper limit potentiometer has failed. The tractor control unit (TCU) received the signal from the armrest controller.
Possible failure modes:
1. The upper limit potentiometer has failed.
2. Software execution error in armrest controller.
1021 – Load command received from CAN data bus indicates failure condition
Cause: Test received CAN data for the load command for ten milliseconds.
Possible failure modes:
1. Faulty connector
2. Faulty draft sensitivity control potentiometer
3. Faulty harness
4. Faulty tractor control unit (TCU)
1022 – Single draft pin sensor failed when configured for one draft pin sensor
Cause: Draft pin outside the expected voltage range (50 to 992 counts) for ten milliseconds.
Possible failure modes:
1. Faulty connector
2. Faulty load sensing pin
3. Faulty harness
4. Faulty tractor control unit (TCU)
1023 – Two draft pin sensors failed when configured for two draft pins
Cause: Two draft pins outside the expected voltage range (50 to 992 counts) for ten milliseconds.
Possible failure modes:
1. Faulty connector
2. Faulty load sensing pin
3. Faulty harness
4. Faulty tractor control unit (TCU)
1024 – Communication lost with the instrument controller
Cause: The tractor control unit (TCU) lost communication with the instrument cluster (ICU) for 700 milleseconds.
Possible failure modes:
1. Bad connection between the tractor control unit (TCU) and the instrument cluster (ICU).
2. Controller failure.
1025 – Hitch up/down switch failure
Cause: The data bus signaled that the hitch up/down switch has failed. The tractor control unit (TCU) received the signal from the armrest control module.
Possible failure modes:
1. The hitch up/down switch has failed.
2. Software execution error in armrest controller.
1026 – Up/down remote fender switch failure
Cause: Either both remote switches are simultaneously on or one of the switches is on before startup (stuck on condition) for ten milliseconds.
Possible failure modes:
1. Faulty connector
2. Remote three point hitch (TPH) switch sticking
3. Faulty remote TPH switch
4. Faulty harness
5. Faulty tractor control unit (TCU)
1028 – Travel range potentiometer failure
Cause: Travel range potentiometer value received from CAN data bus indicates failure condition.
Possible failure modes:
1. The travel range potentiometer has failed.
1029 – Drop rate command potentiometer failure
Cause: Drop rate value received over the CAN data bus indicates the potentiometer has failed. The tractor control unit (TCU) received the signal from the armrest control module.
Possible failure modes:
1. The drop rate command potentiometer has failed.
2. Software execution error in armrest controller.
1030 – Right draft pin voltage is outside the normal operating range
Cause: Right draft pin outside the expected voltage range (50 to 992 counts) for ten milliseconds.
Possible failure modes:
1. Faulty connector
2. Faulty load sensing pin
3. Faulty harness
4. Faulty tractor control unit (TCU)
1031 – Left draft pin no load offset voltage outside normal range
Cause: Left draft pin outside the expected voltage range (50 to 992 counts) for ten milliseconds.
Possible failure modes:
1. Faulty connector
2. Faulty load sensing pin
3. Faulty harness
4. Faulty tractor control unit (TCU)
1032 – Ground speed failure, value received from data bus indicates failure condition
Cause: The data bus signaled that the radar ground speed sensor has failed.
Possible failure modes:
1. Radar ground speed sensor has failed.
2. Wiring problem between the TCU controller and the radar ground speed sensor.
1033 – Slip set switch failure
Cause: Slip limit set point received over the CAN data bus indicates the control has failed.
Possible failure modes:
1. Failed slip limit control switch.
1034 – Slip enable switch failure
Cause: Slip enable switch data received over the CAN data bus indicates the button has failed.
Possible failure modes:
1. Failed slip enable switch.
1035 – Percent slip error
Cause: The percent wheel slip is determined by the difference between the wheel speed value and the ground speed value. The tractor control unit (TCU) receives the information from the instrument controller through the data bus.
Possible failure modes:
1. Wheel slip sensing failed. (Either radar gun or wheel speed sensor).
2. Wiring problem between instrument controller, or tractor control unit (TCU) and sensors.
1036 – The armrest control module indicates the inching up switch is faulty or not available
Cause: The data bus signaled that the hitch inching up switch has failed. The tractor control unit (TCU) received the signal from the armrest control module.
Possible failure modes:
1. The inching up switch has failed.
2. Software execution error in armrest controller.
1037 – The armrest control module indicates the inching down switch is faulty or not available
Cause: The data bus signaled that the hitch inching down switch has failed. The tractor control unit (TCU) received the signal from the armrest control module.
Possible failure modes:
1. The inching down switch has failed.
2. Software execution error in armrest controller.
1065 – The armrest controller specified tractor without draft control, but detected draft pins
Cause: Draft pins were detected on a hitch position only tractor (as defined by armrest control module) for ten milliseconds.
Possible failure modes:
1. Tractor is not properly configured.
1066 – Engine speed (RPM) is too low for lower hitch calibration
Cause: During hitch lower calibration, the engine speed must be above 1500 RPM If the engine speed is lower than 1500
RPM, this fault code is recorded.
Possible failure modes:
1. Low engine RPM.
1067 – Draft control specified but no draft pin(s) detected
Cause: The specified tractor has draft control but no draft pin(s) are detected.
Possible failure modes:
1. Check draft pin harness connections.
2. Tractor is not properly configured.
1068 – Draft control calibration aborted due to tractor moving
NOTE: In rare cases, external electromagnetic interference may affect the hitch calibration process. When this is suspected, move the vehicle away from high electromagnetic interference devices such as welding machines, high voltage transformers, radio broadcast towers, etc.
Cause: Calibration was aborted due to the tractor moving.
Possible failure modes:
1. Tractor moved during calibration.
2. Minor chance that the tractor speed sensor has failed.
1069 – Electronic draft control calibration aborted due to low engine speed error
Cause: Hitch system calibration was attempted while the engine was not running or the engine speed sensor failed.
Possible failure modes:
1. Engine was not running during calibration.
2. Engine speed sensor failed.
1071 – PWM raise threshold is too high during calibration
Cause: During hitch system calibration, the PWM threshold to start hitch raising was above the limit (55%).
Possible failure modes:
1. Raise solenoid coil resistance is too high.
2. Wiring harness or connector problem between the hitch raise solenoid and the tractor control unit (TCU).
3. Battery voltage is very low.
4. Hitch valve raise portion stuck closed.
1072 – PWM raise threshold is too low during calibration
Cause: During hitch system calibration, the PWM threshold to start hitch raising was below the limit (6%).
Possible failure modes:
1. Battery voltage is very high.
2. Raise solenoid coil resistance is too low.
3. Valve failure.
1074 – Hitch pot signal not within expected range for maximum hitch position
Cause: During hitch calibration, the signal from the hitch rockshaft potentiometer is not within specification at the maximum raise position. Be advised that:
1. Slow hitch up and down movement is NOT caused by the hitch position pot.
2. Always clear stored fault codes and attempt to recalibrate the hitch before replacing any electronic components.
Possible failure modes:
1. Mechanical interference is preventing the hitch from moving fully down.
2. Potentiometer linkage problem.
3. Rockshaft potentiometer has failed.
4. Harness damage.
1075 – Hitch lower valve threshold is too high during calibration
Cause: During hitch system calibration, the PWM threshold to start hitch lowering was above the limit (55%).
Possible failure modes:
1. Lower solenoid coil resistance is too high.
2. Wiring harness or connector problem between the hitch lower solenoid and the tractor control unit (TCU).
3. Battery voltage is very low.
4. Hitch valve lower portion stuck closed.
1076 – PWM lower threshold is too low
Cause: During hitch system calibration, the PWM threshold to start hitch lowering was below the limit (6%).
Possible failure modes:
1. Battery voltage is very high.
2. Lower solenoid coil resistance is too low.
3. Valve failure.
1077 – Operator did not respond to Electronic Draft Control calibration procedure
NOTE: This is a non fault. Clear the fault code from the controller.
Cause: The operator did not acknowledge (within 6 minutes) when the hitch was fully lowered during the calibration procedure. Clear the fault code and calibrate the hitch system.
1078 – Hitch position is not at minimum
Cause: During hitch calibration, the signal from the hitch rockshaft potentiometer is not within specification at the maximum raise position. Be advised that:
1. Slow hitch up and down movement is NOT caused by the hitch position pot.
2. Always clear stored fault codes and attempt to recalibrate the hitch before replacing any electronic components.
Possible failure modes:
1. Mechanical interference is preventing the hitch from moving fully down.
2. Potentiometer linkage problem.
3. Rockshaft potentiometer has failed.
4. Harness damage.
1079 – Range of the hitch position is not within specification
Cause: During hitch calibration, the signal from the hitch rockshaft potentiometer is not within specification at the maximum raise position. Be advised that:
1. Slow hitch up and down movement is NOT caused by the hitch position pot.
2. Always clear stored fault codes and attempt to recalibrate the hitch before replacing any electronic components.
Possible failure modes:
1. Mechanical interference is preventing the hitch from moving fully down.
2. Potentiometer linkage problem.
3. Rockshaft potentiometer has failed.
4. Harness damage.
1080 – Hitch position range to position command range ratio is not within limits
Cause: During calibration, the ratio of rock shaft position range to position command potentiometer is not within specifications.
Possible failure modes:
1. Mechanical interference.
2. Rock shaft potentiometer has failed.
3. Harness damage.
4. Potentiometer linkage problem.
1081 – Right draft pin offset voltage out of range
Cause: Right draft pin offset voltage is outside the expected voltage range.
Possible failure modes:
1. Faulty connector
2. Faulty load sensing pin
3. Faulty harness
4. Faulty tractor control unit (TCU)
1082 – Left draft pin offset voltage out of range
Cause: Left draft pin offset voltage is outside the expected voltage range.
Possible failure modes:
1. Faulty connector
2. Faulty load sensing pin
3. Faulty harness
4. Faulty tractor control unit (TCU)
1083 – Offset voltage out of range for both draft pins
Cause: Left and right draft pin offset voltage is outside the expected voltage range.
Possible failure modes:
1084 – Draft control is configured for one pin but connected to the left side
Cause: If no pins are installed, the operator will be prompted to choose 0, 1 or 2 pins. If two draft pins are installed, the calibration will start automatically and the operator will not be prompted for number of pins. Tractors are not sold with one pin, but the choice is still available if one pin is faulty and the operator wants to run with a single pin. See configuration and calibration section in manual to properly setup the hitch system.
1085 – Electronic draft control requires calibration
Cause: The tractor control unit (TCU) requires calibration. New tractor control unit (TCU) was installed and needs to be calibrated.
Possible failure modes:
1. Tractor control unit (TCU) was not calibrated.
1086 – No communication with performance monitor (instrument controller)
Cause: The tractor control unit (TCU) is not communicating with the performance monitor on the tractor instrumentation.
Possible failure modes:
1. Bad connection between the tractor control unit (TCU) and the instrument cluster (ICU).
2. Controller failure.
1087 – 8 volt reference is above 8.8 volts
Cause: This fault occurs when the 8-volt reference is above 8.8 volts for 300 milliseconds.
Possible failure modes:
1. Faulty connector
2. Faulty load sensing pin
3. Faulty harness
4. Faulty tractor control unit (TCU)
1088 – 8 volt reference is below 7.2 volts
Cause: This fault occurs when the 8-volt reference is above 7.2 volts for 300 milliseconds.
Possible failure modes:
1. Faulty connector
2. Faulty load sensing pin
3. Faulty harness
4. Faulty tractor control unit (TCU)
1089 – 12VH1 voltage supply to the hitch raise and lower coils is below 8 volts
Cause: The 12VH voltage is monitored and is consistently less than 8 V.
Possible failure modes:
1. Battery voltage is lower than 8.0 V.
2. Controller power or ground problem.
3. Alternator regulator is malfunctioning.
1100 – Electronic draft control top link switch stuck on fault
Cause: This fault occurs when the top link switch is on at power up.
Possible failure modes:
1. Electronic draft control was not configured properly.
1101 – Electronic draft control top link switch input conflict fault
Cause: This fault occurs when both top link raise and lower switches are on.
Possible failure modes:
1. Electronic draft control was not configured properly.
1102 – Electronic draft control side (lift) link switch stuck on fault
Cause: This fault occurs when the lift link switch is on at power up.
Possible failure modes:
1. Electronic draft control was not configured properly.
1103 – Electronic draft control side link switch input conflict fault
Cause: This fault occurs when both side link extend and retract switches are on.
Possible failure modes:
1. Electronic draft control was not configured properly.
1104 – 12VU1 voltage supply to the Electronic draft control lift link raise and lower coils is below 8 volts
Cause: The 12VU voltage is monitored and is consistently less than 8 V.
Possible failure modes:
1. Battery voltage is lower than 8.0 V.
2. Controller 12VU1 power or ground problem.
3. Alternator regulator is malfunctioning.
1105 – 12VU2 voltage to the top/side link load compensation is low
Cause:
Possible failure modes:
1. Battery voltage is lower than 8.0 V.
2. Controller 12VU2 power or ground problem.
3. Alternator regulator is malfunctioning.
1106 – 12VH1 voltage supply to the top/side link load compensation is low
Cause:
Possible failure modes:
1. Battery voltage is lower than 8.0 V.
2. Controller 12VH1 power or ground problem.
3. Alternator regulator is malfunctioning.