Autokent MVCI Multi-Driver x64 is a specialized driver package designed to enable Mini VCI J2534
cables to function on 64-bit Windows systems (Windows 7, 8.1, 10, and 11). It is primarily used with Toyota Techstream software for vehicle diagnostics. Key Features and Compatibility
: Overcomes the limitation where standard MVCI drivers only support 32-bit systems. Software Support : Specifically designed for use with Toyota Techstream to diagnose Toyota, Lexus, and Scion vehicles. Multi-Version Selection
: Allows users to select different driver versions (e.g., 1.4.8) within the Techstream interface. Vehicle Compatibility
: While widely used for Toyota, it has limited or unreliable support for other brands like Ford (via FORScan) due to hardware limitations. Installation Steps for x64 Systems Manual installation is often required as the standard installers frequently fail on 64-bit architecture. Prepare Driver Files Extract the contents of the MVCI Driver for TOYOTA.msi file manually using tools like or via a command line extract:
msiexec /a "C:\temp\MVCI Driver.msi" /qb TARGETDIR=c:\temp\mvci Relocate Driver Folder Create the directory
C:\Program Files (x86)\XHorse Electronics\MVCI Driver for TOYOTA TIS Move the extracted files into this new folder. Manual Driver Update Connect the Mini VCI cable to your USB port. Device Manager
. Locate the failing devices (often labeled as "M-VCI" or "USB Serial Port") with yellow warning icons. Right-click each and select Update Driver Browse my computer and point to the folder created in Step 2. Registry Modification Run the provided file (often named mvci-x64.reg ) to register the driver as a device in the Windows Registry. Verify that the FunctionLibrary path in the registry points correctly to MVCI32.dll in your installation folder. VIM Selection Techstream VIM Selection and select MVCI Autokent-X64 XHorse - MVCI from the dropdown menu. Troubleshooting Common Issues Connection Errors : Ensure the
for the USB Serial Port is set correctly in Device Manager (often Port #4). Firmware Verification FirmwareUpdateTool.exe autokent mvci multi driver x64 install
within the driver folder to check if the cable is recognized by the driver, but
attempt to update the firmware, as this can brick some clone cables. Antivirus Interference
: Some tools like the firmware checker may be flagged by antivirus software; temporary disabling or adding exclusions may be necessary. to download the specific x64 registry patch for your version? Techstream and MVCI on 64bit Windows 8.1 works!
The Autokent MVCI Multi Driver x64 is a specialized driver package designed to allow Mini-VCI J2534 diagnostic cables (commonly used for Toyota/Lexus/Scion) to function on 64-bit Windows operating systems. Since standard 32-bit drivers often fail on x64 systems, this package or manual extraction methods are essential for running diagnostics software like Techstream. Installation Steps for Windows x64 Software Preparation:
Ensure Microsoft .NET Framework 4.7.2 or later is installed on your system.
Install the Techstream software before the driver, but do not launch it until the driver setup is complete. Run the Multi-Driver Installer:
Download and run the AutokentMultiDriverMVCI_X64.exe as an Administrator.
Note: Antivirus software may flag this file as a false positive. You may need to temporarily disable your AV or add an exclusion for the installation folder. Firmware Selection: Launch the installed "MVCI MultiDriverX64" utility. Autokent MVCI Multi-Driver x64 is a specialized driver
Select the appropriate firmware version for your cable (typically 1.4.8 or 2.0.1 depending on your hardware) and click Install. Hardware Connection: Plug your Mini VCI cable into a USB port.
If Windows attempts an automatic driver update, cancel it to prevent it from loading the incorrect 32-bit version. Manual Driver Update (Device Manager):
Open Device Manager. Look for two unrecognized devices (often "M-VCI" or "USB Serial Port").
Right-click each, select Update Driver -> Browse my computer, and point to the installation folder (e.g., C:\Program Files (x86)\Autokent MVCI MultiDriver X64\1.4.8). Registry Configuration:
Run the included .reg file (often named mvci-x64.reg) to add necessary pathing so Techstream can recognize the cable. Techstream Configuration: Open Techstream and navigate to Setup > VIM Selection.
Choose MVCI Autokent-X64 (or "XHorse - MVCI" depending on the specific patch) as the interface. Common Troubleshooting
What is Autokent MVCI Multi Driver?
The Autokent MVCI Multi Driver is a software tool used for vehicle diagnostics and communication. It's designed to work with various vehicle control units (ECUs) and supports multiple protocols. 64-bit Windows operating system (Windows 7, 8, 8
System Requirements
Installation Steps
Post-Installation Steps
Troubleshooting Tips
By following these steps, you should be able to successfully install the Autokent MVCI Multi Driver on your 64-bit system. If you encounter any issues during installation or configuration, refer to the troubleshooting tips or seek additional support.
Typical filenames:
autokent_mvci_x64.infmvci64.sysJ2534_MVCI.dllIf you don’t have them → check your MVCI software CD or contact AutoKent support.
Some generic J2534 drivers may work, but OEM-specific functions require AutoKent’s version.
| Problem | Solution |
|---------|----------|
| “Driver not signed” | Reboot into Disable Driver Signature Enforcement (see pre-install step). |
| Device shows “Code 10” (cannot start) | Reinstall USB driver manually via Device Manager → Uninstall device → Scan for hardware changes. |
| J2534 app says “No device found” | Check J2534.ini path; copy file to C:\Windows\SysWOW64\ if using 32-bit software on x64 OS. |
| Blue screen on plugging device | Wrong driver version – uninstall and try a different driver release (e.g., older version). |