SM2 PRO+ J2534 VCI Pcm ECU Programmer Dongle V1.20-67 SM2 PRO+ hardware version: V2.21.21 SM2 PRO+ supports 67 modules for open protocols:Above a total of 67 modules, support thousands of car , read and write ECU and , power upgrade tool, clone ECU to read and write. The best chip tuning tool! What are the advantages of PRO SM2:1. Our hardware supports all J2534 protocol software 2. No need to register and active device. You can work on it directly. And pay more attention to protect personal privacy. 3. When you update your device accidentally. not be locked. You just fall back to the correct driver version to work with. 4. Support latest cars and do programming online SM2 PRO J2534 VCI function: 1. Read and write ECU data 2. ECU clone 3. Adjustment of ECU parameters 4. ECU maintenance technique 5. Turing chip 6. Read the ECU map 7. Checksum Correction 8. Stage1-3, tuning, LC, sportdisplay, immo off, adblue off, dpf off, off, vmax, 9. Read flash and ep files 10. Powertrain Adjustment