Unstable cmdtech

[Speedofix]

I have orginal cmd slave. sometimes it read ecu okey. Sometimes i need to restart cmd to get contact with ecu. Today i write to mercedes e280cdi 2006 edc16 and after 36% it lost contact. Write it again then it was okey.

What can be the problem?

[daniel guerra]

I think it's better to contact customer support....

[gezame]

I have orginal cmd slave. sometimes it read ecu okey. Sometimes i need to restart cmd to get contact with ecu. Today i write to mercedes e280cdi 2006 edc16 and after 36% it lost contact. Write it again then it was okey.

What can be the problem?

Hi
The problem can bad drivers FTDI intalled in your computer.

[m3evo]

Yes as said install the software in another laptop and see if the problem continues.

[Speedofix]

I have used a shorter USB cable look like that was the problem!