What's new in J2534 V3.15: 1. Improved the stability of K-line communication. 2. Improved the auto-scan speed of TP20 3. Solved the aborting issue of Left headlight system communication in Porsche What's new in J2534 V3.14 4. Support communicating with Opel at 200bps 5. Support SAS communication in Chang'an cars 6. Support communicating with Mitsubishi at lower bit rate (lower than 200bps)