OBDII Tuner Updates
Download Version 3.63 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 program. If you installed
the OBDII Tuner program into another folder make sure you change the
installation folder for the update accordingly.
After installing the updates, run the OBDII Tuner 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 3.63 of the
program.

NOTE:
This is an update only. You must
have a previously installed version of the OBDII Tuner program on your PC to
use this update.
Version History
Version
3.63
Version
3.62
Version
3.61
Version
3.60
Version
3.55
Version
3.54
Version
3.53
Version
3.52
Version
3.51
Version
3.50
Version
3.49
Version
3.48
Version
3.46
Version
3.45
Version
3.44
Version
3.42
Version
3.41
Version
3.37
Version
3.36
Version
3.35
Version
3.31
- Expanded the vehicle
identification function to include vehicles up through 2013.
- Add check for valid rear end
ratio entry on the Speed Calibration screen.
- Displayed accuracy of some
tables has been improved.
Version
3.28
- Corrected bug that would apply
an offset to small values in the volumetric efficiency coefficient tables.
Version
3.27
- Added support for the 2010 -
2013 cars and the 2008 - 2012 trucks using the E67 ECM.
Version
3.26
- Corrected a bug that could
cause a value to change unintentionally due to rounding errors.
Version
3.25
Version
3.24
- Added support for the 2007 -
2009 cars using E67 ECM
Version
3.23
Version
3.22
- Added support for the 2006 -
2008 Corvettes and 2008 - 2009 Pontiac G8.
Version
3.21
- Corrected a bug that could
cause a run-time error if a large value is added to or subtracted from a
table value.
Version
3.20
- Added capability to open
binary (.bin) format calibration files for the newer CAN bus vehicles.
- Corrected a bug that could
cause calibration changes not to be saved under certain conditions when
multiple tables were open.
Version
3.18
- Added support for the 2007 and
newer CAN bus vehicles.
- Program modified to
significantly reduce PC memory requirements.
Version
2.17
- Added support for the 2002 -
2005 L6 Trailblazer, Envoy and Bravada.
- Added code patch function.
- Fixed a bug in the compare
function when comparing diagnostic action codes.
- Fixed a bug that could cause a
runtime error when using the Calibration Calculator.
Version
2.14
- Added mouse wheel support.
- Added test for valid speed
calibration information to prevent possible runtime error.
- Switch and constant tables are
now loaded at the maximum possible size to minimize scrolling
- Fixed a bug that could cause a
runtime error 70 when two instances of the OBDII Tuner are running.
Version
2.09
- Added support for 1996 V6
cars.
- Added support for other
decimal separators for foreign users.
- Fixed a bug that could cause a
runtime error 6 when using the speedometer calibration function for LT1
cars.
Version
2.04
- Corrected a bug that would
cause a run-time error when using the speedometer calibration function when
no tables are open.
Version
2.03
- Corrected a bug that would
sometimes cause the Calibration Difference reports to falsely report
differences in calibration parameters when there were none.
Version
2.02
- Added calibration module
import function that allows you to import entire modules from one
calibration into another.
- Added the table export/import
function that allows you to export table values to a file and then import
those values into another table or calibration.
- Added a Reports menu with new
reporting functions including a calibration difference summary report and a
difference detail report for comparing calibrations.
- The speed calibration function
for the LT1 cars has been improved and now includes the speed error method
and the automatic updating of the transmission tables.
- Added checksum verification
when you open a calibration file. A warning message is displayed if any
incorrect checksums are found.
- Added command line support so
you can associate .cal file with the program and automatically start the
OBDII Tuner by double clicking on a .cal file.
- Added support for using a ','
as the decimal separator for European users.
- The OBDII Tuner program now
supports 32-bit calibration values.
Version 1.56
- Increased maximum allowable
table size.
- Improved VIN parse function
- Corrected error in speedometer
calibration function for '97/98 LS1's that could cause a runtime error under
certain conditions.
Version 1.53
- Improved speedometer
calibration function to better handle the LS1 Corvettes.
Version 1.52
- Improved support for the 1996
- 97 LT1 diagnostic error codes.
Version 1.51
- Added support for the GM V6
cars.
- Added support for newer model
years to the VIN information screen.
- Added support for the early
ASA racing calibrations.
- Corrected a bug in the binary
to cal file format conversion routine.
- Correct a bug that could cause
a Runtime Error 348 when multiple tables were open and they were minimized
and then restored.
- Corrected an error in the
recommended injector size calculation on the Calibration Calculator screen.
Version 1.40
- Corrected a bug that could
cause you to lose change made to the calibration notes from the Calibration
Information screen when you select 'Save As' from the 'Files' menu to save
the file under a new name.
- Correct a bug in the speed
calibration that could cause errors when entering a tire size.
Version 1.38
- Speed calibration function now
works for '97/98 LS1 cars.
- Improved speed calibration
accuracy when entering tire size.
- Program now correctly
identifies 8.1L motor home VINs.
- Fixed a bug that would result
in a runtime error when exiting the program when multiple instances of the
program were running.
- Corrected the VIN verification
to prevent a runtime error is an invalid character were entered into the
VIN.
Version 1.34
- Program can now open binary
calibration files in both Motorola format (MSB/LSB) and Intel format (LSB/MSB)
- Calibration notes can now be
entered and edited from the file Save As screen.
- Corrected a bug that could
result in a runtime error when entering a new VIN in the Calibration
Information screen.
Version 1.32
- Corrected a bug that would
disable the speed calibration function for LT1 calibration files.
Version 1.29
- Corrected a bug that would
prevent the opening of a compare file when work with 8.1L truck calibrations.
Version 1.28
- Improved process of opening a
binary (.bin) format calibration file.
- Program on-line help now
functioning
- Added table editing short cut
keys. The following short cut keys are now active when a table is displayed:
F10 or Cntl-F10 will display the edit menu otherwise accessed by a mouse right
click
F3 will increase the selected value(s) by 10 times the normal step size
F4 will decrease the selected value(s) by 10 times the normal step size
F5 will increase the selected value(s) by 50 times the normal step size
F6 will decrease the selected value(s) by 50 times the normal step size
-
Calibration information screen
will now warn you of an invalid VIN but will allow you to accept it as is if
you want.
-
Added validity check for .ini
file data to prevent a runtime error if any data are invalid
- Corrected error that
prevented the table import function from working.
Version 1.25
- Added support for '97/98
Corvette/Camaro LS1 vehicles
- The Calibration Calculator
can now be left open while viewing and editing tables
- Added support for '96/97
Corvette/Camaro/Impala LT1 vehicles
- Corrected a bug that would
sometimes cause a runtime error when using the Print All function.
- Corrected bug the would
prevent opening an LT1 compare file or Import File.
- Corrected a bug that could
cause a runtime error when comparing files
- Corrected a bug that would
cause incorrect values to be displayed in compare mode for some table
Please report any problems or bugs to tc@tunercat.com.