154 Error Code For Long Tractor Models
There are 4 kind of error description.
Intake Manifold Temperature Sensor voltage is too low
Front Suspension Lock Valve Stuck on fault (suspension will not lock)
PTO switch interlock - Cab Switch and Fender switch on at the same time.
Intake Manifold Temperature Sensor voltage is too low (engine controller pin A34)
If Inadequate air flow is problematic, so clogged air filters, evaporator core air flow restricted, faulty blower fan motors, defective blower switch or faulty wiring or loose connections.