Bobcat S770 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 S770 Model
When the temperature is below -30 C (-20 F), hydrostatic oil must be warmed before starting. The hydrostatic system will not get enough oil at low temperatures and will be damaged. Park the machine in an area where the temperature will be above -18 C (0 F) if possible.