This particular ECU flasher is designed to enable work on a number of vehicles from Toyota, Lexus and Scion with Denso and Fujitsu Ten ECUs using NEC processors. It was produced by Autokey and PCMflash. If you are tuning vehicles from one of these manufacturers, you will likely need this flasher, as there is no other product quite like it.
Even though the initial information can sound like it is limited in scope, the Toyota Lexus ECU Flasher it can tune almost all models from those manufacturers produced in the past 15+ years.
Its functions include reading, flashing, clearing and verifying internal flash memory of microcontrollers, as well as writing via OBD-II.
Another advantage of the Toyota Lexus ECU Flasher is the fact that it has dedicated hardware interface which removes any compatibility issues.