KESSv2 Slave Hardware only - you will need to purchase vehicle specific protocols separately.KESSv2 allows you to read and write to the ECU by connecting the tool to the diagnostic port using the supplied connector. The SLAVE version of the tool allows you to read/write files that are supplied to you from the MASTER version tool. KESSv2 SLAVE will rewrite (FLASH) the modified file back to the OEM ECU while performing the checksum correction automatically.Included with the hardware are the following: 144300K201 - KESSv2 Universal cable144300KCAN - KESSv2 OBDII cableUSB 2.0 cableAll tools include a 12 month subscription for FREE updates.