Reflashing a VCDS interface based on the chip is a common method to restore "bricked" clones or update them to support newer software versions like , which was released in late 2021. Prerequisites for Reflashing Hardware Check: Open your interface to confirm it uses the
In early 2021, Ross-Tech released VCDS version (and later 21.9) with a new feature: firmware integrity self-check inside the ATMEGA162. If the interface’s firmware had been modified or read via a debugger, the chip would deliberately corrupt its own CAN controller initialization or return "wrong" K-Line timings. vcds atmega162 reflash 2021