Here is an instruction show you guide on how to use CGDI CG100X programmer to do odometer modification for BYD HAN.
Original mileage value is 197300KM
Procedures:
Remove the dashboard instrument PCB board
Then locate the CPU chip R7F701621 and 8 pins chip 24C16
Remove 8 pins chips or use the clips to build connect to CG100X programmer
Run CG100X software,select “Dashboard”
Now select brand and model “BYD”à”HAN”à”24C16” and click “NEXT”
After then click “Change mileage”,then input the value “76385” you want and click “OK”
Now select “BYD”à”HAN”à”R7F701621”,then follow the instruction to build connection
Then read out the data from R7F701621 chip,and you need send this data to CGDI team
They will send you a new data,write new data in to R7F701621.
And then solder 24C16 chip back to dashboard PCB,and install all back on car.
Then check new mileage if work.