THINKCAR Thinkdiag2 All Systems Bidirectional Diagnostic Scanner CAN-FD Protocol
THINKCAR Thinkdiag2 Highlights The most significant difference between thinkdiag and thinkdiag2 is CAN FD protocols. Thinkdiag2 has a built-in CAN FD protocol. It is the only product in this price range that is compatible with CAN-FD protocol and supports the latest GM vehicles manufactured after 2020.