There are many INPA interfaces on the after market. INPA users have to set the windows based system to COM Port 1 and change the latency setting to ‘1′ and check any ‘Fifo’ box. So that the USB lead will be configured to replicate an old RS-232 serial port. When installing INPA D-CAN or K+CAN USB Interface lead, you will need to reconfigure the Windows based com port settings.

Our package comes with complete driver, FT232RL Chip and CD that fits most regains’ demand.ģ) Incorrectly configured interface lead. Your INPA cable will fail to install properly without the correct or latest USB drivers. Many INPA interfaces come with wrong chipset drivers or come with no CD at all. Some INPA cables have bad quality and can be badly constructed, incorrectly wired, or contain the wrong chip set drivers or come with no drivers at all! But no all cheap INPA cables are of bad quality, still good vendors like provides good quality INPA cables. Following are some most possible reasons list. IFH-0009 errors are the most common error in INPA D+CAN or K+CAN USB cables. IFH-0009 error indicates that there is No response from Control Unit (ECU isn’t connected or doesn’t respond). Some users came across IFH-0009 error when using BMW INPA K+CAN ( SP59, SP59-B) diagnostic interface with FT232RL Chip on win XP or win 7 O/S laptops.