How to do when GM MDI WIFI or USB connection fail

GM MDI is a multiple diagnostic interface between the vehicle DLC and a PC mainly for GM,Opel,Chevrolet,Saab till 2014, which can be used for online programming or coding, SPS programming on existing and future SGM vehicles. It is the most popular diagnostic tool for GM; however, many using problems come up at the same time. Here, wobd2 technicians offers some solutions to help GM MDI connect to USB interface, wired Ethernet, and wireless interface. Hopes it helps.

–What if MDI fails to connect on USB
interface?
•Check USB cable connections.
•Check Firewall Settings on your PC.
•Verify a USB Hub is not being used (MDI has a fixed USB address).
•Verify that only one MDI is connected to your PC using USB.
•Verify the USB driver has been installed on the PC (look for device name ‘ETAS USB Remote
NDIS Network Device’ under Network Connections).
•Try connecting to other USB ports on the PC.

— What if MDI fails to connect on Wired
Ethernet?
•Check Ethernet cable connections.
•Check Firewall Settings on your PC.
•Verify the MDI and the PC are cabled into separate LAN connections on the same network.
•Verify that the PC is properly configured and can communicate on the network.
•USB connection takes precedence, unplug USB cable.
•Connect to MDI using USB and run MDI Manager to verify the Wired Ethernet Settings are
configured correctly.
o Wired Ethernet interface is enabled.
o If using static IP, verify the IP Address and Subnet mask are correct (supplied by your
network administrator).

— What if MDI fails to connect on Wireless
interface?
•Check the wireless card is properly seated in the MDI.
•Confirm LEDs on the wireless card are lighted when the MDI is powered.
•Verify the MDI and PC are within range of the Access Point or Router.
•Verify that the PC is connected to the Access Point or Router.
•Verify signal strength of the wireless network from the PC.
•Check Firewall Settings on your PC
•USB connection takes precedence, unplug USB cable.
•Wired Ethernet connection takes precedence, unplug Ethernet cable.
•Connect to MDI using USB and run MDI Manager to verify the Wireless Settings are
configured correctly.
o Wireless interface is enabled.
o AP settings configured for proper security (authentication, encryption).
o Signal Quality (fair, good, excellent) indicates connected to AP.
o The MDI, PC and AP are on the same subnet
o If using static IP, verify the IP Address and Subnet mask are correct (supplied by network
administrator.

Copy Protected by Chetan's WP-Copyprotect.