F5C Automatic Regeneration Too Long - Check Exhaust Line, Perform Manual Or Service Regeneration, Check Time Interval For DPF Service For Ashes (To Check If Regeneration Duration Exceeds Maximum Allowed Duration). White
If Steering Not Working,Hydraulic suction filter plugged.Improper tire inflation.Steering linkage needs lubrication.Excessive play in steering. See your John Deere Dealer.