As titled, here’s the guide to erase and unlock Hyundai/Kia Steering Lock STM8AF6266 chip using Xhorse VVDI Prog programmer.
Disassemble Hyundai/Kia Steering Lock
In VVDI-Prog software, select Type 8 Other->Kia->Steering Lock (STM8AF6266)
Check wiring diagram
Connect steering lock with vvdiprog following the diagram
Don’t forget to connect a 1Kohm resistor between SWIM and VCC
Press Erase+ Unlock to erase all data and unlock the chip.
VVDI Prog successfully erased and unlock Hyundai steering lock.