The USB FGTech Driver is a driver for a specific type of hardware interface device, commonly associated with automotive diagnostic tools or ECU (Engine Control Unit) remapping devices. FGTech is a brand that produces devices used for reading, writing, and flashing the firmware of automotive ECUs, which allows professionals to tune or modify vehicle performance. These tools are often used by automotive technicians, tuning shops, or enthusiasts.

The USB FGTech Driver is essential to establish communication between the FGTech device and a Windows computer. Without the proper driver, the FGTech device may not be recognized by the computer or function properly.