Ftdi Usb Serial Driver

If your cheap BMW INPA K+DCAN USB interface with FTDI chip failed to install drivers or the system prompt cannot locate the drivers. Here is a little write-up on how to fix it.

For most of these operating systems two types of driver are available: Virtual COM Port (VCP) drivers and direct (D2XX) drivers. The VCP driver emulates a standard PC serial port such that the USB device may be communicated with as a standard RS232 device. The D2XX driver allows direct access to a USB device via a DLL interface. US232R cables from FTDI Chip allow a RS-232 serial port to be added to a PC via the USB port. RS-232 ports can be very useful for connecting a PC to embedded systems and other electronic devices such as the Raspberry PI. These USB to serial RS232 Converters need to have drivers installed when using the converters in Windows. FTDI USB Serial Port driver is the software that helps your operating system to communicate with USB Serial Port devices. Get the latest driver Please enter your product details to view the latest driver information for your system.

Disclaimer:
I am using Windows 8.1 system. No sure if it works on yours. You are on your own risk.

Pre-installation caution:
Here are the INPA driver & software, free download links. If the driver/software is working, then ignore the next part. Otherwise take a look at the following part for reference.
INPA Driver: http://www.obd2vip.com/download/inpa-driver.zip（Close antivirus software or set your browser to download success）
INPA software: http://www.obd2vip.com/download/inpa-2.zip

Procedure:

1. Open your Device Manager. Control Panel–Hardware & Sound–Device Manager.
2. Connect the INPA K+DCAN cable with computer/PC-Double click
3. Locate USB Serial Converter->DetailsDropdown Menu->Hardware IDs. The PID number is the one you want. Will most likely be 0000.
4. Download CDM v2.08.30
http://www.ftdichip.com/Drivers/CDM/CDM%20v2.08.30%20for%20Windows%208.1.zip

5. Disable “Driver signature verification” Settings–Change PC Settings–Recovery–Advanced Startup–Restart.
This will restart your PC to Advanced settings. From there: Troubleshoot–Advanced Options–Startup Settings–Restart–F7

Follow these picture guides:
Your PC will then restart with signature verification disabled. You are now able to edit the INPA drivers.

6. Unzip the Drivers file that you just downloaded and open up

7. Open ftdibus.inf
8. Replace every PID_6001 with PID_0000 to match your hardware ID. Scan through the whole document. Then save it.
9. Then find ftdiport.inf. Do the same to ftdiport.inf

10. Back in your Device Manager double click on your OBDII cable again.
Locate USB Serial Convertor Properties->Driver->Update Driver-> Browse my computer.
Locate your driver and install. You will need to install it for both USB Serial Converter and Ports & COM.

11. Setup INPA cable as normal and run INPA software.

It seems that the white FTDI chip INPA cables have to be manually put into D-CAN mode. This file will take care of that. It is normal for the LED to go out.
http://www.mediafire.com/download/35fnrnd3q3dvf3w/D-CAN.exe
If you put the cable into DCAN mode, the LED goes off, and it says there is no adapter connected. Please connect it to the car and run the DCAN mode.

If your FTDI cannot be recognized by your computer, you can try to update the FTDI USB to serial driver to fix the issue.

There are two ways to update the FTDI USB to serial driver. You can either of the ways to update the driver.

Way 1: Update the FTDI USB to serial driver manually
Way 2: Update the FTDI USB to serial driver automatically

You can download the latest FTDI driver from FTDI official website. Following steps are for your reference how to download and install the driver from FTDI manufacturer. Note the steps will be different if their website is redesigned.

Way 1: Update the FTDI USB to serial driver manually

1. Go to the FTDI official website.

2. Locate the driver for Windows and click the setup executable to download the executable file.

Note: If you click on the version name, you’ll get driver with .inf file which requires you to install the driver step by step through Device Manager. We don’t recommend you download this file unless you can’t use the executable file to install the driver successfully.

3. Double-click the downloaded file then double-click on the Setup file.

4. Click Extract then follow the on-screen instructions to install the driver.

5. After installing the driver, restart your computer and check to see if the FTDI USB to serial driver issue is resolved.

Way 2: Update the FTDI USB to serial driver manually

If you don’t have the time or patience to manually download and install the FTDI USB to serial driver, you can do it automatically with Driver Easy.

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Driver Easy will automatically recognize your system and find the correct drivers for it. You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making mistake when installing.

You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version, it takes just 2 clicks (and you will get full support and a 30-day money back guarantee).

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1) Download and install Driver Easy.

2) Run Driver Easy and click the Scan Now button. Driver Easy will then scan your computer and detect any problem drivers.

3) Click the Update button next to the flagged USB Serial Port device to automatically download the correct version of the driver, then you can manually install the driver (you can do this with the FREE version).

Or click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system (this requires the Pro version – you’ll be prompted to upgrade when you click Update All).

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4) After updating the driver, restart your computer and check to see if the FTDI USB to serial driver issue is resolved.

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