Car diagnostic tools are device that able to plug into the OBD connector to access OBD functions. These range from simple generic consumer level tools to highly sophisticated OEM dealership tools to vehicle telematic devices, including hand-held car scan tools, Mobile device-based tools and PC-based scan tools. Most of these car diagnostic tools are designed for one or more car makes while some for all cars.
RX and TX KESS V2 UART Wiring Connection
Just about UART pinout / connections on RX KESS v2 and TX KESS v2 with USB adapters …It seems to have differences between the connections…

