22 Voltage supply 2 - tube heaters (UB2) electrical - Open circuit to UB2 - P20C3 Reagent - suction tube heating - Short circuit low
Voltage supply 2 -tube heaters (UB2) electrical - Open circuit to UB2 - P20C1 Reagent -suction tube heating -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.