Confirmed!!! Digimaster 3 is able to correct mileage on 2017 GMC Sierra without any problem.
Here you can find the car list in the Yanhua D3:
1.Select “Meter System”.
2 .Enter “American cars”, then “GM”.
3.Then “GMC” then Sierra
The next operation is menu-driven, just follow the on-screen instruction to do.
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