# Driver Behavior

- [wheelbasedvehiclespeedj1939 - SPN 1862](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/driver-behavior/wheelbasedvehiclespeedj1939-spn-1862.md): The speed the vehicle is traveling based on wheel rotational speed
- [totalvehicledistancej1939 - SPN 245](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/driver-behavior/totalvehicledistancej1939-spn-245.md): Odometer recording for the vehicle
