Bobcat 553 D9509 Error Code
D9509 Error Code
Trailer Brake Reserve Pressure Low is the main cause of D9509 error.After seeing this code please, record of service logs, giving you a visualization of completed service and helping you avoid overlooked or repeated repairs. This is especially important for cost savings on repairs for vehicles like dump trucks, where repeated issues with certain components might be covered by the manufacturer warranty.
Tip For 553 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.