Status of engine lights on J1939 vehicles.
| Name | Type | Description | Notes |
|---|---|---|---|
| emissions_is_on | bool | True if the MIL status is nonzero. | |
| protect_is_on | bool | True if the engine protect lamp status is nonzero. | |
| stop_is_on | bool | True if the red lamp status is nonzero. | |
| warning_is_on | bool | True if the amber lamp status is nonzero. |