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 Air conditioning does not work,possible causes are blown fuse, faulty wiring or loose connections, fxan belt loose or slipping or defective switch or defective compressor clutch.