E6 UREA Tank Temperature not plausible with Pump module temperature - Temp over CAN: SAE J1939 erroneous signal - P205A Reagent - tank temperature sensor (temperature of the Reagent - solution in the tank) - Open circuit
If Steering Not Working,Hydraulic suction filter plugged.Improper tire inflation.Steering linkage needs lubrication.Excessive play in steering. See your John Deere Dealer.