Reverse clutch solenoid or its wiring failed open or shorted to ground
Aux 1st remote valve FLOW potentiometer is failed in the Armrest Controller
Cab sensor shorted to ground
Reverse clutch solenoid or its wiring failed open or shorted to ground
If Steering Not Working,Hydraulic suction filter plugged.Improper tire inflation.Steering linkage needs lubrication.Excessive play in steering. See your John Deere Dealer.