A: IDS is the legacy diagnostic platform for Ford vehicles manufactured between 1996 and 2018. FDRS is the newer, cloud-based platform for many 2018 and forward models. FDRS is designed to be more user-friendly and offers superior diagnostic tools.
If you just bought a used VCM 2 or VCM 3 and downloaded FDET, do not plug it into a vehicle yet. Open the PDF manual and read these three sections: Ford Diagnostic Engineering Tool Manual
Most critical engineering functions (flashing, altering central configuration) require bypassing security levels. Select from the service tree. Request a "Seed" from the ECU. A: IDS is the legacy diagnostic platform for
Force relays, actuate solenoids, cycle cooling fans, or dim LED arrays. cycle cooling fans