To understand why the driver installation is problematic, it helps to understand the hardware history. The Autocom CDP+ is a mature diagnostic platform. When these units were mass-produced, 32-bit versions of Windows XP and Windows 7 were the industry standards. The firmware and the accompanying drivers were built with this architecture in mind.
If you still have the original Autocom CD, copy the Drivers\x64 folder to your desktop. Many original discs contain a 64-bit driver that works with Windows 8.1 and earlier (may require disabling signature enforcement for Windows 10/11). Autocom Cdp- Usb Driver 64 Bit
Before installing, ensure:
You downloaded a 32-bit driver. Fix: Ensure the filename includes x64 or amd64 . Download the correct version. To understand why the driver installation is problematic,
and follow the prompts. If prompted for a serial port driver ("USB Serial Port"), repeat these steps for that entry as well. Troubleshooting Common Issues Driver Signature Enforcement : On some 64-bit Windows systems, you may need to disable Driver Signature Enforcement temporarily to install third-party diagnostic drivers. Hardware Setup : After installation, open the Autocom software, go to Settings > Hardware Setup , and click to confirm communication between the PC and the VCI. Alternative Drivers : If official drivers fail, generic FTDI VCP Drivers The firmware and the accompanying drivers were built