Bobcat T450 VSP004-03 Error Code
VSP004-03 Error Code
Px(FRONT) PRESS. SENSOR, Voltage above normal is the main cause of VSP004-03 error.To solve VSP004-03 locate and open the low-pressure valve, then attach the refrigerant to the valve and charge from there. Ensure you use the right refrigerant type and amount, as specified by a manufacturer. It is possible to overcharge the AC, so consider seeking help from a mechanic.
Tip For T450 Model
It is recommended in cold weather to cycle the glow plugs twice before attempting to start the engine. This will allow for additional heating time for cold weather starting.