Good news for our modding community: We just released version 1.0 of the "Construction Simulator 2015" Vehicle Editor with new editors for all components, as well as some fixes and improvements (e.g. sound support, resources for skidmarks, lights, beacon light etc.). Furthermore we added a detailed documentation for every component of the editor.
Vehicle Editor v1.0 for Windows is available here:
Detailed overview of the improvements of Vehicle Editor v1.0: