New Releases and Updates


OBDI Tuner


We here at C.A.T.S. are continually trying to improve and broaden our product line. As new products, and updates to current products and definition files become available, we will post them on this page for easy reference.

Remember, as a registered user of our products, you are always entitled to any updates free of charge.

For a list of the current versions of all the ECM Definition Files and Vehicle Definition Files see the Current ECM Definition File Versions page.

We rely heavily on feedback from our users for new products and improvements, so please send us an e-mail at with your suggestions and comments.

New Release - DataCat:


DataCat Program

OBDI Data logging and playback

1.4.2 08/07/21

New Releases - OBDI Tuner:


$4A ECM Definition File

87 Bonneville, Delta 88, Le Sabre  LG3 3.8L, V6

A 04/23/21

Recent Updates - OBDI Tuner:

PCM_EE $EE ECM Definition File  DP 09/24/21
PCM_0D $0D ECM Definition File  BJ 06/15/21
ECM_4F $4F ECM Definition File  Q 01/22/21
ECM_4E $4E ECM Definition File  AE 01/22/21
FormLib.tff Form library file 15.6 08/04/20
Tuner Latest version of the C.A.T.S. Tuner program 2.35 03/30/21
RT Tuner Latest version of the C.A.T.S. RT Tuner real-time tuning program. 1.44 12/13/21
WinFlash Latest version of the C.A.T.S. WinFlash program 3.10 08/23/19


New Releases - OBDII Tuner:

OBD2_33 Vehicle Definition File

2007 P12B PCM trucks

OBD2_31 Vehicle Definition File

2004 - 2006 P12 PCM trucks

OBD2_32 Vehicle Definition File

2004 - 2007 P12 PCM cars

OBD2_49 Vehicle Definition File

2018 E80A ECM Vehicles

OBD2_48 Vehicle Definition File

2017 E80A ECM Vehicles








Recent Updates - OBDII Tuner:

OBDII Tuner Update to latest version of the C.A.T.S. OBDII Tuner program 3.63 11/26/21
WinFlash OBDII Update to latest version of the C.A.T.S. WinFlash OBDII program 4.48 03/11/22
OBDII RT Tuner Update to latest version of the C.A.T.S. OBDII RT Tuner program 3.63 11/26/21
OBDII VDF Editor Update to latest version of the C.A.T.S. OBDII VDF Editor program 2.83 09/18/18
OBD2Form1.tff OBD2 Form Library 1 12.8 09/29/21
OBD2Form2.tff OBD2 Form Library 2 10.5 07/15/14
OBD2Form3.tff OBD2 Form Library 3 1.4 04/23/20
OBD2Form4.tff OBD2 Form Library 4 15.8 10/21/21
OBD2Form5.tff OBD2 Form Library 5 1.0 02/26/18
OBD2Form6.tff OBD2 Form Library 6 1.0 02/26/18
OBD2Form7.tff OBD2 Form Library 7 10.5 07/15/18
OBD2Form8.tff OBD2 Form Library 8 1.1 03/16/21
OBD2FormLT.tff OBD2 08 Form Library  1.9 06/24/20
PCM.DAT Program PCM Data File AES 05/04/22
VDF Files

Vehicle Definition Files

(many files have been recently updated)