Go to Device Manager and locate your Autocom device under .
If you see folders named or files like ftdibus.inf and ftdiport.inf , you already have the correct drivers on your machine and do not need to download anything. Method 2: Official FTDI Chip Drivers
For automotive technicians, DIY enthusiasts, and garage owners, the Autocom CDP (Compact Diagnostic Partner) is a staple tool. This powerful diagnostic scanner interfaces with a vehicle’s Electronic Control Units (ECUs) to read fault codes, view live data, perform component activations, and execute service resets.
: If you bought an older multiplexer kit, look inside the root directory of the bundled companion CD or USB flash drive for folders explicitly named Drivers , USB_Drivers , or FTDI_Drivers .
Connect your Autocom CDP multiplexer to your vehicle’s OBD2 port to provide external power (some units require 12V power to activate the USB interface fully). autocom cdp usb drivers download top
To maintain PC security and avoid malicious software, you must gather these system files from clean, verified sources:
Windows often fails to recognize the scanner automatically. It will show up in your settings as an or VCI Diagnostic Unit with a yellow exclamation mark. Follow these steps to fix it:
Check your COM Port assignment. In Device Manager, expand Ports (COM & LPT) . Note the number assigned to your Autocom device (e.g., COM3). Open your Autocom software, navigate to Settings > Hardware Setup , select Search automatically , or manually force the software to look at the exact COM port noted in Device Manager. Issue: Driver Installs but Drops Connection Frequently
| Problem | Likely Cause | Solution | |--------|--------------|----------| | Driver installs but interface not found | Wrong COM port selected | Change COM port in Device Manager (Advanced > Port Settings > Advanced > COM Number) | | Error 10 (Device cannot start) | Conflicting drivers (e.g., old Prolific) | Uninstall all USB serial drivers, then clean install FTDI top driver | | Windows says “Driver is not intended for this platform” | 32-bit vs 64-bit mismatch | Download specific 64-bit driver version | | CDP disconnects randomly | Power saving enabled | Go to USB Root Hub properties → Power Management → Uncheck “Allow computer to turn off” | | Yellow bang after Windows update | Driver signature enforcement re-enabled | Re-disable signature enforcement or install a signed top driver | Go to Device Manager and locate your Autocom device under
Right-click the unrecognized device and select . Click on Browse my computer for drivers .
“Official?” Li laughed bitterly. “The company went bankrupt five years ago. The official website is now a blog about vegan protein powder.”
Look for a package labeled or similar legacy versions. Step-by-Step Installation Guide for Windows 10 and 11
Finding the correct driver for your Autocom CDP USB device is about getting the right software first. Prioritize using the official Autocom diagnostic application, and the drivers will follow. When you do need to get your hands dirty, the manual driver installation steps and the troubleshooting table above are your roadmap to a successful setup. To maintain PC security and avoid malicious software,
Installing directly from this local folder ensures 100% compatibility with your specific software version. 2. Official FTDI Chip Drivers
The most reliable way to obtain drivers is through the official software installation, as the drivers are typically bundled within the software package.
If you work with heavy-duty trucks, construction equipment, or agricultural machinery, you have likely heard of . This powerful interface bridges the gap between your PC and a vehicle’s electronic control units (ECUs). However, even the most advanced hardware is useless without the correct software foundation—specifically, the USB drivers .