Bobcat S590 U1003 Error Code
U1003 Error Code
ECU Received Engine Shutdown Request from Machine Controller is the main cause of U1003 error.A significant number of consequences can be suffered due to an overheating engine with code U1003. The problem might be a blown gasket or something related to the fuel tank.
Tip For S590 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.