Hex V2 Clone - Licence revoked - Help please? : r/CarHacking
For older Atmega162-based clones, recovery typically involves a USBasp programmer and specialized software.
This guide focuses on common failure points, soldering fixes, firmware recovery, and modifications for better stability.
Set fuses (typical for clone):
If bootloader intact:
The easiest way to find out what you have is to use the utility, which is part of the repair kit. Connect the interface to both USB and OBD2 (or provide 12 V power to the OBD2 port), run the tool, and click Read . It will tell you:
[OBD-II Pins] │ ▼ [High-Speed Optocouplers] ◄─── Replace standard parts here to fix ABS/ECU lag │ ▼ [Voltage Regulator (LM7805)] ◄─── Upgrade to handle vehicle voltage spikes │ ▼ [Microcontroller] Upgrading the Optocouplers
| Symptom | Likely Cause | Difficulty | |---------|--------------|------------| | Windows says “USB device not recognized” | Driver issue or hardware failure | Easy to Medium | | VCDS says “Port OK, Interface Not Found” | Loader not installed correctly or blocked by antivirus | Easy | | Cable recognized but connection fails | Wrong VCDS version for your loader | Easy | | Both red lights on, bootloader disabled | Bootloader locked; needs programmer intervention | Hard | | Cable worked, then stopped after software update | License revoked by VCDS | Medium | | Interface detected but no communication with car | Hardware issue (likely power or CAN transceiver) | Medium to Hard |
Do not install VCDS 23.x or 24.x. Stick to (or 22.10 for some clones). Install it inside a Windows 10 Virtual Machine (VirtualBox) with USB passthrough. If the VM gets bricked, restore a snapshot.
One user on MHH AUTO reported that after repairing their cable, they simply used the loader every time and – it continued to work fine. Others recommend a dedicated offline laptop for absolute safety.