"No response from controller" message..... anyone?

[Koomorph]

Got a copy of VAG com 4091 and a USB cable.
Have managed to install the correct drivers for the cable and the test shows ok and I seem to be good to go.

I've saved the test - clicked on engine and it should start doing it's magic.... but no joy...

It tries it 4 times and then comes up wit the message "No response from controller"

I've tried baud rates of 9600 etc... but still no change.... I've even tried the earlier version of VAG com - 3112n.

It just seems like it can't get a signal from the ECU... or engine controller?

Any ideas on this one anyone?

Thanks
Raf

 

[Chemical Al]

does it connect to any other controller?

 

[Koomorph]

No it doesn't seem to... have treid a few other controllers and no joy.....

Raf

 

[Koomorph]

SORTED IT!

Had to go into device manager and chacnge the com port assigned to the cable - default was 6 whereas on VAG com - it only worked on Com 3.

So in deveice manager I changed the com to Com 3 and voila - it worked and communicates fine.

Raf

 

[cordobabrendy]

ignition also needs to be on, just in case you didnt know.

 

[CupraUK]

ignition also needs to be on, just in case you didnt know.

hee hee... I fell for that one, I was ready to throw the laptop out of the window!

 

[P-A]

I have the same problem with my usb cable and want to try this, where is this device located?

 

[P-A]

I checked the com-settings for the cable device and noww its working Thanks for the tip! I'm sitting in my car now, hunting faultcodes...

 

[xaxo]

Sorry gays but where exactly and what I must change to make it work ??

 

[kewe]

Sorry gays but where exactly and what I must change to make it work ??

Doing this from memory so may be wrong

You have to check in Device manager so:-

Start - Settings - Control Panel - System -Hardware - Device Manager

View devices by type the look down to
Ports (COM + LPT)
In there will be your USB Cable? and its COM number.
Double click and go to advanced where you should be able
to then set this to the COM port of your choice. ie. COM 2.

Go back into VagCOM and setup according to your newly picked COM port number.
Run check and save if all is OK.