Run a chip erase command to wipe the corrupted, locked firmware.
Launch your repair package bootloader utility (e.g., VCI Cleaner or FlyLoader ).
The microcontroller (usually an ATMEGA162 or an ARM-based chip like the STM32F405 or GD32F405) gets locked when a bootloader mismatch occurs.
Only open the diagnostic software through your designated loader application. The loader temporarily patches the software memory to prevent it from verifying the clone signature. Run a chip erase command to wipe the
: Tools designed to force a firmware update or restore a specific version (like 22.3.1) to match the software . Troubleshooting Common Issues Recommended Fix Flashing Red Lights
Never click "Yes" if the software prompts you to update to a newer version online.
Plug your programmer into your PC. Open your flashing utility (such as AVRDUDE for ATMEGA or ST-Link Utility for ARM). Only open the diagnostic software through your designated
The VCDS software fails to detect the USB cable.
While Release 22.3.1 (March 2022) added support for ARM CPUs, clone versions based on older ATMega chips often cannot fully support vehicles newer than 2019/2020 even with updated software . For full support of UDS protocols on modern vehicles, a genuine interface or a newer STM32-based clone is usually required .
To help tailor this information to your specific setup, could you share whether your HEX-V2 clone uses an chip, and what exact error message you are seeing? Share public link Run a chip erase command to wipe the
Disconnect the programmer and plug the HEX-V2 interface directly into your PC via its USB cable. Open the VCDS_EEPROM_Tool .
They can run the latest VCDS software versions and support multiple languages. 2. Fake HEX-V2 Clones (ATMEGA162 Chip)
These are old HEX-USB+CAN hardware hidden inside a new HEX-V2 shell. They cannot handle modern UDS protocol cars effectively.
Following the instructions provided, Alex performed the necessary steps to repair his VCDS 22.3.1 HEX V2 clone: