F5C Engine Controller Waste Gate Turbocharger Actuator Circuit - Power Stage Overtemperature. No Reaction Needed If Failure Isnt Present After Short Time. Replace EDC If Fault Persists. Red
If Steering Not Working,Hydraulic suction filter plugged.Improper tire inflation.Steering linkage needs lubrication.Excessive play in steering. See your John Deere Dealer.