This is a guide on how to use Bosch ADS625 ADS325 read DTCs for Chevrolet Silverado.
Build connection to the vehicle,then go to the diagnostic menu to select
Model:Silverado 1500 VIN K
Then you will see the vehicle diagnostic menu
Tap “Read DTCs”
Please select one or more controllers and tap ‘Continue’ to start DTC scan
It will start the DTCs reading work