Delphi 100 251 Rev 10 Driver Download ((top)) New Page

Delphi 100 251 Rev 1.0 (often misread as Rev 10) refers to a specific hardware identifier for the Delphi DS150E

series of Vehicle Communication Interfaces (VCI). This device is a high-performance diagnostic tool used for ECU programming, key coding, and full-system vehicle scans. Understanding the Hardware

The "100 251" number is a common identifier for the VCI hardware found in both genuine Delphi units and various "Multidiag Pro+" or "TCS Pro" clones. Official Device:

Authentic Delphi DS150E units have a rubberized black surface, matte aluminum top, and full Bluetooth support. Software Compatibility: These units typically run Delphi DS Cars Heavy Duty delphi 100 251 rev 10 driver download new

software, which allows for reading/erasing fault codes (DTCs), viewing live data, and performing bi-directional component testing. Driver & Software Download Guide

For the device to communicate with a Windows PC (Windows 10/11), it requires both the VCI drivers and the diagnostic application. Source / Link VCI Drivers DriverHub Delphi Section Standard USB-to-Serial drivers for VCI recognition. Official Software Delphi Technologies Support Latest "DS Software" for cars and light commercials. Licensing Tool Autocom License Tool Required for authentic units using the License Activation Tool (LAT) Installation & Firmware Update Driver Installation:

Connect the VCI via USB. Windows may require you to manually point the Device Manager to the driver folder provided with your software. Software Setup: Delphi 100 251 Rev 1

Install the diagnostic application (e.g., Delphi 2021.11 or later versions). Firmware Sync:

Once the software is open and the device is connected, you may be prompted to perform a Firmware Upgrade (e.g., to version 1622).

Ensure the device is connected to a stable 12V power supply (vehicle OBD port) during this process to avoid "bricking" the unit. Important Security Note Delphi drivers download for Windows (32/64 bit) - DriverHub Go to: ftdichip

1. FTDI Chip Official Website (Recommended for genuine hardware)

FTDI is the original manufacturer of the USB-to-serial chip inside most Rev 10 devices.

  • Go to: ftdichip.com/drivers/vcp.htm
  • Download: "Setup executable for Windows 10/11 (64-bit)" – current version as of 2025 is 2.12.36.4
  • File name: CDM212364_Setup.exe
  • Compatibility: Works with genuine Delphi 100 251 Rev 10.

Steps:

  1. Download the executable.
  2. Disconnect the Delphi interface from your PC.
  3. Run the installer as Administrator.
  4. Accept the license agreement.
  5. After completion, restart your PC.
  6. Plug in the DS100E – Windows will auto-detect it as "Delphi DS100E (COMx)".

Safe download and installation steps (Windows—adjust for other OS)

  1. Back up important data and create a system restore point.
  2. Download the driver only from the official vendor or an authorized source.
  3. Verify file integrity if a checksum or signature is available.
  4. Uninstall older driver versions using Device Manager or the vendor’s uninstall utility.
  5. Reboot the system.
  6. Install the new driver following vendor instructions (run installer as administrator if required).
  7. Reboot after installation.
  8. Connect the device and confirm it’s recognized; test with the intended software.
  9. If problems occur, roll back the driver via Device Manager or restore the system point.

Solution B: Replace the device with a genuine unit

  • A genuine Delphi DS100E Rev 10 costs ~$300–$500. Clones cost $30–$50. The new driver is designed to force clones out of the market. If you rely on diagnostics professionally, buy genuine.