The VNCI MDI2 supports FD DOIP Auto Diagnostic Interface for Cadillac, Chevrolet, Buick, GM, for Techline Connect (TLC) programming. The VNCI MDI2 is a global automotive diagnostic tool that supports FD and DoIP communications. It supports Techline Connect (TLC) online software, and supports offline software such as Tech2win, GDS2, RDS, DPS, SPS, and others. It is compatible with the original GM2 device manager software. No third-party software or files are required; it's plug and play. This is the MDI2 hardware. 1. Supports diagnostics, programming, and anti-theft matching for all GMC, Chevrolet, Buick, Cadillac, and Opel models up to the present. 2. Supports SAE J2534 Pass-Thru, CAN FD, DoIP, UART, Class2, KWP2000, and GMLAN (CAN) protocols. 3. Supports offline module programming. 4. Supports CANFD/DoIP module diagnostics and programming. 5. Supports global platform models and global B platform models. 6. Supports offline programming, covering all functions of the MDI generation. 7. Compatible with original software functions for Roewe, MG, Wuling, and Maxus. 1. Compatible with original driver software, supports any version of Tech2win, GDS2, RDS, DPS, SPS, and other offline software. 2. Supports the latest Techline Connect software. 3. No need to change any third-party files or software; just plug and play. 4. Supports three network connection methods.