10001 – Front suspension pump-not-tank solenoid valve open circuit or short to ground
Cause: The front suspension pump-not-tank solenoid or the wiring to the solenoid has an open circuit or is shorted to ground.
Possible failure modes:
1. Front suspension pump/not tank solenoid has an internal open circuit.
2. Wiring from the tractor control unit (TCU) to the front suspension pump/not tank solenoid has an open circuit or is shorted to ground.

10002 – Front suspension rod-side solenoid valve open circuit or short to ground
Cause: The front suspension rod solenoid or the wiring to the solenoid has an open circuit or is shorted to ground.
Possible failure modes:
1. Front suspension rod solenoid has an internal open circuit.
2. Wiring from the tractor control unit (TCU) to the front suspension rod solenoid has an open circuit or is shorted to ground.

10003 – Front suspension piston-side solenoid valve open circuit or short to ground
Cause: The front suspension piston solenoid or the wiring to the solenoid has an open circuit or is shorted to ground.
Possible failure modes:
1. Front suspension piston solenoid has an internal open circuit.
2. Wiring from the tractor control unit (TCU) to the front suspension piston solenoid has an open circuit or is shorted to ground.

10004 – Front suspension position sensor out of range high
Cause: Front axle potentiometer is above the high limit threshold continuously for more than one second. Possible failure modes:
1. The front suspension position is above the absolute limit.
2. The front axle position sensor failed.
3. The front axle position sensor wiring is shorted to power.

10005 – Front suspension position sensor out of range low
Cause: Front axle potentiometer is below the lower limit threshold continuously for more than 1 second.
Possible failure modes:
1. The front suspension position is below the absolute limit.
2. The front axle position sensor failed.
3. The front axle position sensor wiring is shorted to power.

10006 – Front suspension will not raise
NOTE: If any other 10000 series front suspended axle fault codes are displayed, follow the fault code troubleshooting for these fault codes first.
Cause: After the pressure drops in the rod side, the piston solenoid and pump solenoid are commanded on, but the suspension will not raise.
Possible failure modes:
1. Tractor PFC pump system problem.
2. Excessive load or mechanical obstruction.
3. Suspended axle pump/not tank solenoid failed or stuck
4. Suspended axle piston solenoid failed or stuck
5. Suspended axle lockout solenoid failed or stuck
6. Wiring problem.
7. Tractor control unit (TCU) failed.

10007 – Front suspension will not lower
NOTE: If any other 10000 series front suspended axle fault codes are displayed, follow the fault code troubleshooting for these fault codes first.
Cause: After the pressure drops in the piston side, the rod solenoid and the pump solenoid are commanded on, but the suspension will not lower.
Possible failure modes:
1. Excessive load or mechanical obstruction.
2. Rod solenoid failed or stuck
3. Piston solenoid failed or stuck
4. Lockout solenoid failed or stuck
5. Wiring problem.
6. Tactor control unit (TCU) failed.

10008 – Front suspension piston pressure sensor out of range high
Cause: Piston pressure sensor is greater than 25000 kPa (3626 psi) continuously for more than 250 milliseconds.
Possible failure modes:
1. Pressure sensor or wiring shorted to power.
2. Pressure sensor failed.

10009 – Front suspension piston pressure sensor out of range low
Cause: Piston pressure sensor is less than 1514 kPa (220 psi) contiguously for more than 150 milliseconds
Possible failure modes:
1. Pressure sensor wiring has open circuit or wiring shorted to ground.
2. Pressure sensor failed.

10010 – Front suspension rod pressure sensor out of range high
Cause: Rod pressure sensor is greater than 25000 kPa (3626 psi) continuously for more than 250 milliseconds.
Possible failure modes:
1. Pressure sensor or wiring shorted to power.
2. Pressure sensor failed.

10011 – Front suspension rod pressure sensor out of range low
Cause: Rod pressure sensor is less than 1514 kPa (220 psi) continuously for more than 150 milliseconds
Possible failure modes:
1. Pressure sensor wiring has open circuit or wiring shorted to ground.
2. Pressure sensor failed.

10012 – Front suspension rod side pressure cannot raise the axle
Cause: For 4500 milliseconds, the rod side valve and the pump valve are on, but the rod side pressure is not increasing.
Possible failure modes:
1. Electrical fault in system
2. Faulty wiring
3. Rod solenoid valve malfunction

10013 – Front suspension piston side pressure will not raise the axle
Cause: For 4500 milliseconds, the piston side valve and the pump valve are on, but the piston side pressure is not increasing.
Possible failure modes:
1. Electrical fault in system
2. Faulty wiring
3. Piston solenoid valve malfunction

10014 – Front suspension not calibrated
Possible failure modes:
1. Suspended front axle not calibrated.

10015 – Front suspension lock valve solenoid open circuit or short to ground
Cause: The front suspension lock valve solenoid or the wiring to the solenoid has an open circuit or is shorted to ground.
Possible failure modes:
1. Front suspension lock valve solenoid has an internal open circuit.
2. Wiring from the tractor control unit (TCU) to the front suspension lock valve solenoid has an open circuit or is shorted to ground.

10016 – Front suspension enable switch error
Cause: The front suspension switch is in the error state for 10 seconds.
Possible failure modes:
1. Faulty front suspension switch
2. Incorrect armrest configuration
3. Faulty connector

10017 – Front suspension switch CAN data not available
Cause: The front suspension switch CAN data is set to not available state for 10 milliseconds.
Possible failure modes:
1. CAN bus communication error
2. Faulty front suspension switch
3. Faulty connector

10019 – Front suspension rod-side solenoid over current
Cause: Front suspension rod side solenoid is in an over current condition: driver is shorted to ground or coil is shorted.
Possible failure modes:
1. Front suspension rod solenoid coil is shorted.
2. Wiring from the tractor control unit (TCU) to the front suspension rod solenoid has a short to ground.

10020 – Front suspension piston solenoid over current
Cause: Front suspension piston side solenoid is in an over current condition: driver is shorted to ground or coil is shorted.
Possible failure modes:
1. Front suspension piston solenoid coil is shorted.
2. Wiring from the tractor control unit (TCU) to the front suspension piston solenoid has a short to ground.

10021 – Front suspension lock out solenoid over current
Cause: Front suspension lockout solenoid is in an over current condition: driver is shorted to ground or coil is shorted.
Possible failure modes:
1. Front suspension lock solenoid coil is shorted.
2. Wiring from the tractor control unit (TCU) to the front suspension lockout solenoid has a short to ground.

10022 – 12VM voltage supply low
Cause: Voltage is below 5.0 volts for 400 milliseconds
Possible failure modes:
1. Blown fuse
2. Faulty tractor control unit (TCU)

10023 – 12VF3 voltage supply is low
Cause: Voltage is below 5.0 volts for 400 milliseconds.
Possible failure modes:
1. Blown fuse
2. Faulty tractor control unit (TCU)

10024 – 12VF1 voltage supply is low
Cause: Voltage is below 5.0 volts for 400 milliseconds.
Possible failure modes:
1. Blown fuse
2. Faulty tractor control unit (TCU)