Pcmtuner tool can read and write ecu data through obd, pcmtuner performs a complete backup of ecu data, easy ecus clones, and power upgrades. It can also support read and write gearboxes. According to the data read out via pcmtuner tool, our engineers can provide customers stage1 stage2 stage3, popbangs ,gearbox data to adjust lc, sport display, immo off, dpf off, dtc off, vmax, swirl off, restoring ecu or tcu factory setting service (paid service). compared with version 1. 20, pcmtuner has add 44 new protocols , ecu read/write protocols without opening the cover. pcmtuner software allows you to forcibly write (forcibly clone) without verification, and supports forcibly reading and writing unknown ecus with supported chip models. 1) free update, no subscription no annual fee 2) has a usb smart dongle, all licenses for the modules are on the dongle. 3)master version, save data in bin formate, data not encrypted. 4)work offline, vr need online. Read/write vr (have vr account for users). 5)with integrated scanmatik2 . Smart dongle is compatible with original scanmatik2 pro