FVCI is a PASS-THRU device of FCAR. It supports J2534 protocol, and it will support other protocol for free later. FVCI J2534 supports multiply communication manner of DOIP protocol, and it can setup Ethernet(tx_+, tx_-, rx_+, rx_-) and active line to any pin number of OBD2 except for ground pins and power pin.
CarDiagTool.co.uk offer VXDIAG VCX NANO for Toyota supports diagnostic tests, programming matching, custom functions, the key matching, etc. Supports the Toyota models including 2021.
New VXDIAG VCX Nano Support WIFI wireless connection.
SVCI J2534 is a vehicle communication interface device that full compatible with SAE J2534-1 and partly compatible with SAE J2534-2. It supports most of vehicle communication protocols and can be used as PassThru device for many dealer level diagnostic software. And it can be used as a ELM327 device also, support most of ELM327 software.