3978 Error Code For International Harvester Tractor Models
There are 603 kind of error description.
Description:
F5C Particulate Matter Catalyst (PMCat) : Signal range check flow resistance of the particulate filter - high Amber
If Steering Not Working,Hydraulic suction filter plugged.Improper tire inflation.Steering linkage needs lubrication.Excessive play in steering. See your John Deere Dealer.