12043 Error Code For C.O.D. Tractor Company Tractor Models
There are 2 kind of error description.
Communications Lost with Data Bus 1 and ALL other controllers
Communications Lost with Data Bus and ALL other controllers
If Steering Not Working,Hydraulic suction filter plugged.Improper tire inflation.Steering linkage needs lubrication.Excessive play in steering. See your John Deere Dealer.