USB VAG-COM Not Recognised by VAG-COM Software

[MarkyB]

The USB VAG-COM I ordered from eBay (alpha-bid) arrived in the post this morning. I've spent several hours trying to get it to work(*) without success. The adapter shows up in the device manager, but VAG-COM says "Interface: Not Found!" when I try to configure it

Have tried on my Desktop PC and Laptop, which are both running WinXP SP2.

Any tips on what drivers I should be using?

(*) I modified the VAGUSB.inf in the VAG-COM 409-1 software package that is installed to C:\Program Files\VAG-COM\ so that it would recognise the USB<->Serial interface on the lead; changed references of FAO2 to 6001 as the VAG-COM ones use a custom ID on their USB/Serial interface chip - probably to try to prevent you using a 3rd party lead

Cheers,

Mark.

 

[claudefrog]

http://www.seatcupra.net/forums/showthread.php?t=80968

 

[timps]

I used vag com 409-1 with no modification with the Alpha-bid cable

The drivers I used are linked from this post

http://www.audi-sport.net/vb/showthread.php?t=27483

I used FTDI VCP Drivers version 2.00

Have you set up the port setting Using deice manager in Windows XP

 

[MarkyB]

Thanks for the tips guys, but VAG-COM is stubbornly refusing to chat with the USB lead. Grrrr.

 

[MarkyB]

OK.

I've uninstalled the VAG-COM software and the USB/Serial Port Drivers.

I've downloaded & installed the FTDI Virtual COM Port Drivers and assigned them to COM Port 4

I've downloaded and installed the 409.1s, 409.1us and 331.2-N versions of the VAG-COM software from http://www.ross-tech.com/vag-com/download/archives.html

but no luck. The lead is not detected on COM Port 4.

Bonus Question: my lead has an LED on the ODBII connector, should that light up when the cable is plugged in or being polled?

Cheers,

Mark.

 

[garratt83]

Have you checked to see if it needs USB legace support in the bios. If there should be a light on it it might want some power

 

[timps]

So to recap as I am not to sure what you have tried.

You have set the same comport (COM 1 - 4) settings manually in device manager windows XP and also in options in vag-com (COM 1 - 4 ) (not usb)

And when you press test it says “port does not exist. Interface not found !”

Have you tried switching com numbers to different ones.

 

[MarkyB]

I've tried it on COM Ports 2 and 4 (the others are in use) using VAG-COM 409.1s

The error message I get is

Port Status: OK
Interface: Not Found!

and it won't allow me to save the setting.

Cheers,

Mark.

 

[timps]

“port does not exist. Interface not found !” this is a problem

“Port status ok Interface not found !” this is not a problem

You will only get Interface found connected to the car with the ignition switched on so the dash warning lights are active.

Edited to add: You can only save the settings once you have tested the interface connected to the car with the ignition on.

 

[MarkyB]

D'oh!!!!

I'll go check it on the car...

Cheers,

Mark.

 

[Aky]

“port does not exist. Interface not found !” this is a problem

“Port status ok Interface not found !” this is not a problem

You will only get Interface found connected to the car with the ignition switched on so the dash warning lights are active.

Edited to add: You can only save the settings once you have tested the interface connected to the car with the ignition on.

Nice one - I've had the same problem. I'll spec it out tonight:thumbsup:

 

[MarkyB]

It works! If only I'd tried it on the car I could have saved myself an afternoon's worth of frustration.

Cheers,

Mark.

 

[MarkyB]

An FYI to those with the alpha-bid VAG-COM lead; the indicator LED on it will light up when you plug it into your car