merc sprinter 2l52h and upa

[crx1616]

hi any one got sec byte s that work for a sprinter
with hco8 2l52h when i read eprom just give s me ad ad ad.........
if i read the full hco8 it read s the rest of the memory so i know connection s are correct
i have tried all the sec byte s some are for 4l52h or l52h and 2l52h
from this program
any one got any ideas s
need more sec byte s