The Launch X431 GX3 is a new development of the best selling X431 launch tool.Launch X431 GX3 has acquired all the diagnostic function of the X431, with a number of improvements. An all new integrated structure, allows faster software download times, speeding up ECU communication and providing enhanced software security.Its new platform represents the highest level of diagnostic Port/Parallel port technology.Functions available include reading and erase DTC's, read data stream digitally and by waveform, component actuations, ECU coding, and other advanced functions.