Here is new reports from obdstartool engineers, who have managed to use the original OBDSTAR X300M programmer to change km/ mileage for Cayenne before the 2009 year.

 

The X300M main unit and its manual：

the dashboard of Cayenne 2008

the current mileage: 2345744km

note: check connection of the car and X300 M

 

here goes to Cayenne odometer correction.

 

select VEHICLES->MILEAGE ADJUSTMENT->PORSCHE->PORSCHE V30.12

->initializing…

->authorizing…

select Cayenne->Cayenne -2009->MILEAGE ADJUSTMENT

->communication…

->enter a file name to save, here 11100000

input value: 11100000

X300M programmer managed to read the current mileage of 234560 (error does not exceed 10km)

->input new mileage: 345430

input value: 345430

->adjusting mileage…

->adjustment complete

the dashboard displays the new milesage as what is set just now

Cayenne change km SUCCESS.