WinFlash OBDII Program Updates

Download Version 3.66 Update

To install the update, double click on the downloaded file and follow the on-screen instructions..

The default install folder is c:\program files\cats\obd2tuner which is the default installation folder for the OBDII Tuner and WinFlash OBDII programs. If you installed these programs into another folder make sure you select the correct installation folder during the installation of the update.

After installing the updates, run the WinFlash OBDII program. Click on the 'Help' menu and select 'About' from the drop-down list.

On the 'About' screen, verify that you are now running version 3.66 of the program.



This is an update only. You must have a previously installed version of the WinFlash OBDII program on your PC to use this update.


   Version 3.66

   Version 3.65

   Version 3.64

   Version 3.63

    Version 3.62

    Version 3.61

    Version 3.60

    Version 3.56

    Version 3.54

    Version 3.53

    Version 3.52

    Version 3.51

    Version 3.50

    Version 3.49

    Version 3.48

     Version 3.47

     Version 3.44

     Version 3.43

     Version 3.42

     Version 3.41

    Version 3.34

    Version 3.33

    Version 3.31

    Version 3.26

     Version 3.27

     Version 3.26

    Version 3.25

    Version 3.24

    Version 3.23

    Version 3.22

    Version 3.21

    Version 2.25

    Version 2.24

    Version 2.21

    Version 2.18

    Version 2.17

    Version 2.16

    Version 2.13

    Version 2.03


Please report any problems or bugs to