Most VCDS PCBs have a 6-pin ISP (In-System Programming) header. If not, you may need to solder wires directly to the pins or use a "pogo pin" adapter.
Before beginning, gather the necessary hardware. You cannot flash the ATmega162 directly via the standard OBD-II or USB ports on the cable; you must interface with the chip's internal programming pins. 1. Hardware Programmer vcds atmega162 reflash
Some newer "Hex V2" clones may not use a genuine ATmega162, making them impossible to reflash using these standard methods. Most VCDS PCBs have a 6-pin ISP (In-System