Obd-diag Port Devices Driver

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Virtual COM Port Drivers for Ross-Tech USB Interfaces

Go to Control panel, enter System to access your Device Manager Scroll down to the LPT/ COM port then double click Prolific USB to Serial Comm Port Click Driver in the Windows Properties section The driver must be numbered as '2.0.2.8' and dates accordingly. About Driver Booster. Driver Booster is a powerful and easy-to-use driver updater. With the best 1-click solution and a large database, Driver Booster can help you rapidly & securely update outdated drivers, install missing drivers, and fix incorrect drivers. Locate the OBD 2 port-get to know where the OBD 2 connection port is located. This is usually found somewhere below the drivers’ seat. In some older car versions, the dashboard would be better if you checked. After that, you also need to know the type of software to be installed and where. Some of these OBD 2 tools may be installed within the. When you plug the device into your USB, Windows will look for the associated driver, if it cannot find this driver then you will be prompted to insert the driver disc that came with your device. Common USB Device errors are ‘ usb port not working ‘, ‘device descriptor request failed error’ or ‘bugcodeusbdriver’ issues.

Older Ross-Tech RS-232 Serial interfaces can be set to power up as 'dumb K-Line pass through' interfaces. This allowed those old Serial interfaces to be compatible with a wide variety of third-party applications which expect a 'K-line pass-through' serial interface. However, our USB interfaces present additional challenges. Early in their development, we found a number of technical advantages to using a 'direct' USB driver which bypasses the Windows Serial drivers entirely. Hence the USB drivers that ship with VCDS do not emulate a serial COM port and cannot be used with applications that expect to communicate via a serial port.
NOTE: The following applies to our legacy USB interfaces (HEX-USB, KII-USB and HEX-USB+CAN). It does NOT apply to our current HEX-V2 or HEX-NET interfaces. These new interfaces do not use a USB UART chip and cannot be be used for 'dumb K-line pass-through'!

In order to facilitate the use of third-party applications which expect to communicate with a serial interface, drivers that emulate a COM port are available. However, anyone thinking about using them needs to be aware of the following points:

  • We do not offer installation support for these drivers. They should be used only by someone who is competent/comfortable installing (and possible uninstalling) USB drivers on his PC.

  • We cannot offer any support for third-party software, nor any guarantee that it will work correctly with these drivers. Of course, the same would apply with a serial interface as well.

That said, here some installation notes:

  • These drivers are compatible with Windows 2000 and newer. They should work with W2K, XP-32, XP-64, Vista-32 and Vista-64. We do not have any VCP drivers for Windows 98!

  • Unzip the contents of the download into a new folder.

  • With an interface plugged in, find it in Device Manager, right-click it, and select Update Driver.

  • Depending on what drivers your system already has installed, you may have to 'force' these by telling the wizard not to search, but to let you specify what driver to install, then doing the Have Disk and Browse thing.

  • There's also the possibility that the Virtual COM Port won't install automatically. We've found no real pattern why it does on some systems and not on others. If it does not, find the interface in Device > Manager. The name should show '.. with VCP'. Open the properties sheet, click the Advanced tab, and make sure Load VCP is checked. Once checked, disconnect and re-connect the interface.

  • Once the USB Serial Port is installed, you may need to change the COM Port Number (depending on how high a number the applications supports). Device Manager, Properties sheet for the USB Serial Port, Port Settings tab, Advanced button. The COM Port Number may change if you plug the interface into a different USB port, so I'd recommend always using the same USB port.

  • VCDS should continue to work fine with these drivers installed. Leave VCDS set to USB, not a Virtual COM Port!

Assuming you've read and understand all of the above, you can download the 'Virtual COM Port' drivers here:

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Virtual COM Port Drivers

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    Note:

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  • Unplugged devices are those devices flagged with the icon in the driver list, which means they are not plugged into your PC at this moment. It is not a 'problem' and needs no 'fix'. But, if you are sure you won't use them anymore, click the button, and select Uninstall to uninstall them one by one.
  • Obd-diag Port Devices Driver License Test

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