GM MDI2 vs VNCI MDI2 vs VXDIAG GM

 What’s the difference among new VNCI MDI2, VXDIAG GM and GM MDI2 multiple diagnostic interfaces?

 

Check a table comparison below:

Item	VNCI MDI2	GM MDI2	VXDIAG VCX NANO/VCX SE GM
Image
Manufacturer	VNCI	Clone	VXDIAG
Operating system	Win7/Win10	Win7/Win10	GDS2 Win7, Win10, Tech2win only Win7 32bit
Driver	VNCI Manager	MDI Manager	VX Manager
GDS2	Yes	Yes	Yes
Tech2win	Yes	Yes	Yes
DPS (Development Programming System)	Yes	Yes	–
Passthru mode	Yes	Yes	Yes
Techline Connect SPS2 online programming	Yes	Yes	Yes
Vehicle coverage	all GMC, Chevrolet, Buick, Cadillac and Opel models from 1996 to 2023	GM Chevrolet Cadillac GMC Buick Hummer / OPEL till 2022	GM Chevrolet Cadillac GMC Buick Hummer / OPEL till 2022 . Tech2win cannot do Opel and Saab (2000-2010), cannot do Holden.
Protocols	SAE J2534 Pass-Thru, CAN FD, DoIP, UART, Class2, KWP2000, GMLAN(CAN)	UART, Class 2, KWP2000 and GMLAN (CAN)	UART, Class 2, KWP2000 and GMLAN (CAN)
CAN FD Protocol	Yes	–	–
DoIP protocol	Yes	–	–
Connection	USB, WiFi, WLAN	USB, WiFi	VCX NANO: USB/WiFi VCX SE: USB, WiFi, LAN
Multi-language	GDS2 Multi-language, Tech2win: English	GDS2 Multi-language, Tech2win: English	GDS2 Multi-language, Tech2win: English
Software Update	Update by link	Update by HDD	Update by link
Firmware Update	Update online	Update online	Update online
Activation	No	Yes	No
Price	$209	$189	$115/$199

In sum:

The major difference is that VNCI MDI2 supports CAN FD and DoIP protocols, vxdiag and mdi2 clone don’t (only original MDI2 supports CAN FD protocols).

VNCI supports USB, WiFi and WLAN connection, MDI2 only USB and WiFi, VXDIAG VCX SE will also connects via WLAN.

All tools allow firmware and software update. MDI2 clone update by HDD, the other two update by link.

They use different drivers as listed table above.