00 7F 00 00 00 00 00 00 00 00 02 01 01 00 0C 3B Try this 2 option You have to find the following string in 8 bits hexadecimal ! (hexadecimal I insist otherwise you won't find it) : 00 7F 00 00 00 00 00 00 00 00 02 01 01 00 0C 3B In this string 02 01 has to be changed to 00 00 to turn DPF off. To find this string search for 01 00 0C 3B you may have 1 or 2 results.