Bobcat S220 U0077 Error Code
U0077 Error Code
ECU COMMUNICATION FAULT is the main cause of U0077 error.A significant number of consequences can be suffered due to an overheating engine with code U0077. The problem might be a blown gasket or something related to the fuel tank.
Tip For S220 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.