Mercedes Atego 815 mileage

[bermuxa77]

Hello
I need help correcting mileage ori 795173km modifi 300000km
Mercedes Atego 815 2004
Dash SIEMENS VDO A001 446 77 21
and tachograf Kienzle

[Cllau]

km stored in Tacho not on dash.....:driver::captain:

[bermuxa77]

km stored in Tacho not on dash.....:driver::captain:

Hello,

Thanks for the reply. Do you know which chip is used there? and do you have pinout by chance?

[Cllau]

..................>>>>630626