Delphi 100 251 Rev 1.0 Software Download ((free)) May 2026

This interface connects to a vehicle's OBD-II port to communicate with the Electronic Control Unit (ECU).

  • You own the original physical interface.
  • You are using a 32-bit or legacy 64-bit Windows 7 machine.
  • You are downloading from the official BorgWarner server.

Decoding the Nomenclature: What is “Delphi 100 251 Rev 1.0”?

First, a reality check. “Delphi 100 251” is not a standard consumer part number. Delphi’s catalog was vast, covering everything from diesel injectors to infotainment systems. The number 100 251 most likely refers to one of three things: Delphi 100 251 Rev 1.0 Software Download

Official Delphi Support: The Delphi Autoparts website provides the genuine DS CARS and Heavy Duty software packages for workshops. This interface connects to a vehicle's OBD-II port

The Delphi 100 251 Rev 1.0 (often associated with the "New VCI" hardware) is a diagnostic and programming interface that connects your laptop to a vehicle's OBD-II port. Unlike basic code readers, this revision offers deep system access, allowing you to: You own the original physical interface

Comprehensive Diagnostics: Reading and clearing Diagnostic Trouble Codes (DTCs), viewing real-time data streams, and performing actuator tests to isolate faulty components.

  • Run Setup.exe.
  • Select your language.
  • When asked, choose "DS150E (New VCI)".
  • Complete the installation. Do not launch the program yet.
  • Produce a short download/install checklist.
  • Search for the official download page and any release notes (requires web search).