Bobcat TL3570 P1621 Error Code
P1621 Error Code
ECU Safety Monitoring - Fault is the main cause of P1621 error.A significant number of consequences can be suffered due to an overheating engine with code P1621. The problem might be a blown gasket or something related to the fuel tank.
Tip For TL3570 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.