The (often stylized as 100251 ) is a specialized automotive diagnostic interface primarily associated with the Delphi DS150E series of vehicle scanners. This hardware revision is a core component used by mechanics and DIY enthusiasts to bridge the gap between a vehicle's On-Board Diagnostics (OBD-II) port and a PC or mobile device for advanced system troubleshooting. Core Functionality and Software Integration
: Manually activate vehicle components like fuel injectors, cooling fans, or central locking systems to verify they work. Advanced Maintenance : Perform complex tasks such as key programming , ECU updates, and battery monitoring. Evolution and Hardware delphi 100 251 rev 1.0 software
. It is widely recognized as a "New VCI" (Vehicle Communication Interface) hardware serial number that allows a computer to communicate with a car's Electronic Control Unit (ECU) via the OBD-II port. Core Software Functions Delphi 100 251 Rev 1