Front Suspension lower lock solenoid circuit shorted or open circuit
Aux remote valve TIMER potentiometer is failed
Aux 5th Lower Coil solenoid shorted to 12 volts.
Front Suspension lower lock solenoid circuit shorted or open circuit
Aux remote valve TIMER potentiometer is failed
If Steering Not Working,Hydraulic suction filter plugged.Improper tire inflation.Steering linkage needs lubrication.Excessive play in steering. See your John Deere Dealer.