ISM-DI Intake Manifold Boost Temperature Sensor Circuit - Signal Below Range Min Engine
ISM-IDI Intake Manifold Boost Temperature Sensor Circuit - Signal Below Range Min Engine
F5C Intake Manifold Boost Temperature Sensor Circuit - Signal Below Range Min Engine
Air Intake Temperature Sensor -Signal Above Range Min.
If Steering Not Working,Hydraulic suction filter plugged.Improper tire inflation.Steering linkage needs lubrication.Excessive play in steering. See your John Deere Dealer.