The FTDI chip manages USB enumeration. If its EEPROM is corrupted or overwritten, Windows may fail to recognize the device correctly. Symptoms include "Interface not found" errors in VCDS Config despite the device appearing in Device Manager.
Windows 10 (64-bit recommended), VCDS 22.3.1 installer, repair kit utilities, administrator rights.
If your clone utilizes an STM32 ARM processor, you can often fix a "License Revoked" error without soldering. 1. Download and Extract the Fix Pack
| Component | Purpose | |---|---| | VCDS-FRM-22031-Installer.exe | Software version 22.3.1 | | VCDSLoader.exe | Runtime patch for official software | | VAGCOM_HWType.exe | Hardware identification | | VAGCOM_EEWriteLang.exe | EEPROM/Language programming | | Flash1.96_HW_0x44.bin & .hex | Firmware for HW type 0x44 | | Flash1.96_HW_0x46.bin & .hex | Firmware for HW type 0x46 | | eepromavr_HW_0x44/.46.bin/hex | EEPROM data sets | | FTDI templates (FT_Prog & MProg) | USB descriptor restoration | | ProgISP v1.72 | Programmer utility | | USBASP command files | Automated AVR programming | | _README.pdf | Documentation | vcds 2231 hex v2 clone repair exclusive
ARM STM32F405 / STM32F415 Variant (Real HEX-V2 Upgradable Clones)
Download the appropriate loader and install the matching VCDS version.
Look at the PCB for the In-Circuit Serial Programming (ICSP) pads next to the ATMEGA162 chip. You will need to temporarily solder fine jumper wires from these pads to your programmer: VCC to VCC GND to GND RST (Reset) to RST MISO to MISO MOSI to MOSI SCK to SCK Step 2: Flashing with Progisp Plug the USBasp programmer into your computer. Open a chip programming software such as . Select ATmega162 from the chip dropdown menu. The FTDI chip manages USB enumeration
Copy the specific accompanying loader application (e.g., VIIPlusLoader.exe ) directly into the C:\Ross-Tech\VCDS installation folder. Step 3: Interface Firmware Reflashing
Install the version provided with your clone (e.g., 22.3.1).
Before writing, you need to ensure the repair is possible. Connect your HEX-V2 to the USB port and the OBD port (a 12V bench supply works best if you don't have a car handy). Run VAGCOM_HWType.exe . If the tool indicates that the , you can proceed via software. If the bootloader is disabled, you will likely need a hardware programmer (like a USBasp) to flash the chip directly. Windows 10 (64-bit recommended), VCDS 22
Beyond software blocks, physical issues occur. On forums like Digital Eliteboard and MHH Auto , users report symptoms like:
Often use ATmega162 + FTDI . These can be recovered using a USBasp programmer or specialized "loader" software (like Loader 9.2).