What is the difference between GM Tech2 best quality and GM Tech2 ?

Just different quality, but functions are the same. GM Tech2 best quality, its quality is better.

Now the version is 32.002.

GM Tech2 Specifications:  
The Tech-2 is the same tester GM Technicians use to diagnose GM vehicles. The Vetronix Tech 2 comes with Authentic GM software and provides support for on-board diagnostics on all GM systems 1992 thru current year.

GM Tech2 Features:
1.Authentic GM software in the Tech 2 Flash means the most comprehensive diagnostic software available for late model GM vehicles.
2.Support for on-board diagnostics on all GM systems 1992 thru current year.
3.Removable hardware modules provide insurance against scan tool obsolescence.
4.Large, easy-to-read backlit screen.
5.RS232 & RS485 ports provide the avenue to connect future devices to your Tech 2 Flash.
6.Ability to capture stored DTCs, Freeze Frame, and Failure Record for later review.
7.Ability to view the status of vehicle diagnostic tests as they run.
8.Bi-directional The authentic GM 1992-current year software will provide full bi-directional control when performing power train, chassis, and body diagnostics.
9.Vetronix Tech 2 Specifications
10.Dimensions: 12
11.Microprocessor: 32 bit, 16 MHz
12.Memory: 32 MB flash type II PCMCIA. Type III slot available for future expansion.
13.Communications: Integral RS232 communication port.
14.Screen: 3.8?.8 backlit monochrome with full graphics capability: 320?40 pixels. Displays up to 9 vehicle parameters at once .
Download Tech2 Brochure (5.2 Mb) An industry change in protocol from OBD II to Controller Area Network (CAN) has begun.
In order to perform diagnostics on a vehicle that uses the CAN interface; you will need the Tech 2 Flash and a CAN diagnostic interface module.
The module connects between the Tech 2 Flashs diagnostic link cable and the OBD adapter. Once the module is connected, it can be used on all GM vehicle applications, even those vehicles using other platforms such as OBD I and OBD II.

The following GM vehicles utilize the CAN interface:
05 Buick Allure (3.6L)
05 Buick LaCrosse (3.6L)
05 Buick Rainier (5.3L)
04-05 Buick Rendezvous (3.6L)
04-05 Cadillac CTS (3.6L)
04-05 Cadillac SRX (3.6L / 4.6L)
04-05 Cadillac XLR (4.6L)
05 Cadillac STS (3.6L / 4.6L)
05 Chevrolet Cobalt (2.2L)
05 Chevrolet Corvette (6.0L)
05 Chevrolet Equinox (3.4L)
05 Chevrolet TrailBlazer (5.3L)
05 Chevrolet SSR (6.0L)
04 Chevrolet Malibu (Body/Chassis only)
05 Chevrolet Malibu (3.5L) 05 GMC Envoy (5.3L)
05 Pontiac G6 (3.5L) 05 Pontiac GTO (6.0L) 05 Pontiac Pursuit (2.2L)Package including (All ORIGINAL and NEW!):Tech-2 Flash Tester 32 MB PCMCIA Card with GM OE Applications CAN diagnostic interface module(CANdi) and instruction sheet download ( 199.2 kb ) GM aftermarket Expertec TIS software on CD-ROM disks Hardware lock to open SPS programming in TIS 2000 RS232 cable and user`s manual. Data/Sensor/Trouble Code Manual DLC Cable, DLC Loopback Adapter 12V Cigarette Lighter Power Cable SAE 16/19 Adapter NAO 12/19 Adapter Battery Power Cable Storage Case Tech-2 Users Manual download ( 3.9 Mb ) Tech-2 Flash Registration CardGM Tech2 Pro Kit. The Opel Tech 2 offers diagnostic functions available for 1992 and newer General Motors vehicles. Tech 2 software is individual for each brand.

The Opel Tech 2 Scan Tester is a scan tool for GM and affiliated (e.g., Suzuki, Isuzu, Holdens, Saab, AM General, and Opel/Vauxhall) dealerships worldwide.
 
Features:
-Authentic GM software provides the most comprehensive diagnostic software available for GM vehicles
-Support for On-Board Diagnostics (OBD) on all GM systems 1992 through current model year
-Capture stored Diagnostic Trouble Codes (DTCs) and Freeze Frame data
-View status of vehicle diagnostic tests as they run
- Full bidirectional control when performing Powertrain, Chassis and Body diagnostics
- ECU Reprogramming functionality for 1993 and newer GM Flash Programmable ECUs
-Easy-to-read backlit screen
 
Vetronix Tech 2 Specifications:
- Dimensions: 12" x 6" x 2"
-Microprocessor: 32 bit, 16 MHz
-Memory: 32 MB flash type II PCMCIA. Type III slot available for future expansion
-Communications: Integral RS232 communication port.
-Screen: 3.8" x 2.8" backlit monochrome with full graphics capabilities: 320 x 240 pixels. Displays up to 9 vehicle parameters at once.
 
The Tech 2 Scan Tester has three primary software functions:
-Diagnostics
-Powertrain
- Chassis
-Body
- Service Programming (ECU Reprogramming)
- Reprogram existing ECUs
-Replace and Program new ECUs
-View Captured Data
-Freeze Frame
- Failure Records
 
Tech 2 Kit Includes:
-Tech 2
-16 Pin Adapter
-NAO 12/19 Adapter
-12V Cigarrette Power Cable
-110V AC/DC Power Supply
-DLC Loopback Cable
-RS232 DB9 Adapter
-RS232 Cable
-RS232 Loopback
_BLue Dongle
-Case

If you need the following Isuzu adapter, please open the following link:

http://www.lbestlt.com/Products/TECH2-DC-24Volt-ISUZU-Adapter.html

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