[dj01fuc]

HI. HELP TO CHAENGE THE ODO IN PASSAT B6

THE NEW :290000

EPROM: 24C32

I HAVE TRY WITH NYO2015 BUT NOT WORK

PLEASE HELP ME

TK

[gafari]

old mileage 402816km ???

[dj01fuc]

old mileage 402816km ???

YES

[23Andi23]

Try and report please

[gafari]

Your new mileage 290000km

[brane0001]

try this

report pleace

[23Andi23]

try this

report pleace

File of gafari i get 289xxx km looks good but your file i get
Mileage = 2097120 km.

[volavka]

File of gafari i get 289xxx km looks good but your file i get
Mileage = 2097120 km.

Yeah First dumps are ok but CDC3272G dump is needed to decrypt crc

Here Dash algo if someone need it

Set windows Calc to [Qword]
dec 290000km /32 > 9062 > Hex 2366 xor FFFF = DC99 > swap byte 99DC ;
Well 99DC is first 2 byte
Now select [Word] and push Rol 33B9 (2nd 2 bytes ) > Rol again 6772 (3rd 2 bytes), Rol again and again untill reach end km string ;

0x800: .FF FF FF FF FF FF 00 00 7C 7C 28 39 99 DC 33 B9
0x810: 67 72 CE E4 9D C9 3B 93 77 26 EE 4C DC 99 B9 33
0x820: 72 67 E4 CE C9 9D 93 3B 26 77 4C EE 00 FF FF 77

Now Correct crc in CDC3272G

Good luck

[jokir]

I overwrite km in eeprom 24C32 only?
does the NEC processor accept it?

thanks

[volavka]

I overwrite km in eeprom 24C32 only?
does the NEC processor accept it?

thanks

You are right there crypted crc in CDC3272G
Hopefully Mr.dj01fuc Post dump of mcu aswell 

Cheers