Mercedes-Benz SDconnect C4 ”Device Not In Use” Error

How to Solve ” Device Not In Use ” Error When using chinese clone Mercedes-Benz SDconnect C4,  one customer bought the SDconnect compact 4 Multiplexer at before one month ago, when he plan to use SDconnect C4 Device, the SDconnect C4 multiplexer displaying “Device not in use” error message.

The SDconnect C4 main unit green light illuminated. When try to connect the SDconnect C4 to laptop with diagnostic cable, there was no connection. The SDconnect C4 card slot was empty. When connect through wireless communication, no WLAN on the external software HDD.

After vipprogrammer.com engineers checking, they found

The “Device not in use” error may due to the following three reasons:

1 The link between the SDconnect C4 diagnosis multiplexer and the diagnostic socket is interrupted.
2 The link between the SDconnect C4 diagnosis multiplexer and the diagnostic unit is interrupted
3 The voltage supply at the diagnostic socket (circuit 30 and (or) circuit 32) is faulty

According Further checking,The commom reason is on account of the third reason.

Then Engineers research the Solution:

Because SDconnect C4 is using static IP address to carry out wireless diagnosis, so users please reset the IP address in Windows XP network connection.

Result:

The SDconnect C4 icon showed number 5 with an open padlock. chinese clone Mercedes-Benz Xentry DAS software worked well immediately. Go so far as to multiplexer took me more time to display nice.

If you also have the same problem, please can try our solution way , hope it would help you:)