Bobcat 853 U121A Error Code
U121A Error Code
CAN Communications Fault is the main cause of U121A error.U121A vehicle requires its own specific maintenance regime to stay at peak efficiency, especially heavy duty construction vehicles like dump trucks. If you want to improve your return on investment and extend the life of your dump trucks, giving them the care and service they require is paramount.
![Bobcat 853 Photo](/img/bobcat-models/853.jpg)
Tip For 853 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.