OTC, a business unit of SPX Corporation, has announced the release of new diagnostic software for Genisys users who service Class 4 to Class 8 trucks. The new Heavy-Duty Standard Software is ideal for mixed fleet service applications including medium/heavy work trucks, municipal vehicles, buses, walk-in vans, fire trucks, truck tractors, refrigerated trucks, tow trucks, garbage trucks, and many others. The new release covers HD J1587, J1708 and J1939 standards, as well as CAN, engine, and transmission/ABS diagnostics.