... it is the device of OEM scan.J2534 is the hardware standard for OEM scan. Mazda, Ford, Landrover, Jaguar,GM, Opel ... GM MDI (Multiple Diagnostic Interface) for ECU reprogramming utilizing J2534. Hardware kit only.The X-vci GM MDI is initially being introduced ... 2. Upgrade free for one year 3. Upgrade method: internet Hardware specification:AFTER SERVICE: 1. Guarantee: one year, from the date ...