WinFlash OBDII Dealer Updates
This is the update to the dealer version of the WinFlash OBDII program that is supplied with the OBDII dealer kits NOT the standard WinFlash OBDII program. 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 3.42 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.
Corrected a bug that was introduced in version 3.14 that would prevent proper programming on the E92 ECM used in the 2014 - 2015 trucks and Corvette.
Added support for 2011 - 2015 GM Heavy-duty Trucks with the L96 6.0L Engine (E78 ECM).
Improved CAN programming error recovery.
Corrected a bug that would prevent the changing of the VIN in the 2002 - 2005 L6 Trailblazer, Envoy and Bravada vehicles.
Added support for the 2002 - 2005 L6 Trailblazer, Envoy and Bravada
Improved programming process for 2004 - 2005 V6 cars.
Added option to skip VIN verification when reprogramming the VIN
Corrected VIN reprogramming process to support V6 cars.
Added support for reading and programming the 1996 V6 cars.
Modified to work properly with the 2003 V6 cars using the newer (12583827) PCM
Added support for 2002 - 2003 GM V6 cars.
Improved error handling
Support for GM V6 cars
Added a PCM Recovery function to recover a PCM after a failed programming session.
Improved PCM read error recovery.
Added support for early LS1 ASA racing calibrations.
Corrected a bug that could cause a Runtime Error 6.
Improved PCM communications.
In-field OBDII interface unit firmware updates now supported.
Corrected program to properly identify ‘96/97 LT1 Buick Roadmaster
On-line program help now available.
Corrected a problem that would sometimes require the ‘96/97 LT1 PCMs to be reset by disconnecting the battery after reading the PCM.
Corrected a bug in the programming routine that would prevent successful programming of the Vortec truck VCMs if the calibration file being used to program the VCM contained a different operating system than the operating system that was currently in the VCM. This bug was introduced in version 1.88 of the WinFlash OBDII program.
Corrected program to properly identify ‘96/97 LT1 Impalas
Program now provides support for a ‘96/97 LT1 PCMs with an invalid VIN.
Added support for the ‘97/98 Corvette/Camaro LS1.
WinFlash now correctly identifies the Impala and LT4 and Cadillac Fleetwood LT1.
The Change VIN function now works correctly for the LT1/LT4 vehicles
The OBDII Tuner program will no longer request a password when opening a '97 LT1 cal file.
Corrected the bias values for the main spark and coolant temp compensation spark tables. Previously the displayed values were incorrect.
Added additional error checking
Modified communications to ensure that reading and programming of '97 Vortec Truck VCMs run in high speed mode.
Please report any problems or bugs to firstname.lastname@example.org.