| Products | GM MDI | VXDIAG VCX NANO GM | Tech 2 |
| Picture |  |
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| software | GDS 2 (2011)Tech2 Win | GDS 2 (2014) | TIS2000 |
| Need computer | Yes, it’s PC-based. | Yes, it’s PC-based. | No, it’s on-board basic diagnostics. |
| System requirement | Win XP only | Win7 64bit /Win8 64bit system | No need to connect PC. |
| Language | Multi-Language | Multi-Language | Multi-Language(depends on vehicles) |
| WIFI | WIFI | YES, VXDIAG GM has wifi version and wireless version | Wireless |
| Diagnosis | wireless basic diagnostic | brand-specific diagnosis | basic diagnosis |
| Programming |
-wireless online programming -offline program,such as European Chevrolet, Opel, but not for all cars |
GM TIS2WEB online Service Programming System (SPS) | Online programming on SAAB/OPEL (-2008) |
| Update | can not update | Firmware updatableSoftware updatable | Update via 32MB Card |
| Activate | need activation. | No need to activate | No need to activate |
| Supported protocols | UART, Class 2, KWP2000 and GMLAN (CAN) | CAN, UART, KW2000, Class2, GM LAN, etc. | CAN interface(NOTE 1) |
| Supported vehicles |
vehicles from 1990-2014GM,Opel, Chevrolet, Saab, Australia Holden (2010-2012) |
Vehicles to 2015GM, OPEL |
vehicles from 1992-2013GM, SAAB, OPEL, UZUKI, ISUZU, Holden |
| Advantage | -can support software from original factory-support offline programming | -Cheap but with the same function as GM MDI-Newest GM scanner for new car | -cannot plug original software card, but can support original program-easy to carry on |
| Read more | GM MDI interface | VXDIAG GM scanner | GM Tech 2 scan tool |
NOTE 1:
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)
