E-IDSS USB-Link works very well, but there is no ECU/ECM plug connector, so it can't write data into ECM/ECU. Other functions can be perfectly diagnosed, including Euro IV, Euro 5 DPF regeneration function, injector code, write VIN, diesel pump Functions such as adjustment functions e-idss is software USB-LINK Special Edition is hardware. It can only test the Isuzu engine sensor, adblue and DPF of the Denso ECU/ECM