VAG-COM/VCDS EVERYTHING

**dorcky** · 7th May, 2018, 07:46 PM

alexm1
Your D- from USB port pin is unsoldered

**hid3** · 7th May, 2018, 07:47 PM

Maybe as simple as wrong VID/PID?

Can you extract any useful information about it in Device manager?

If not then it's probably FT2323RQ faulty...

PS: you mentioned that cable changed - I assumen you soldered all the pins and correctly

**alexm1** · 7th May, 2018, 08:02 PM

Pics was taken before starting to investigate... all 4 wires are soldered back to their places...

Long story, short: some times cable was seen ok, other times Usb device not recognized....and now not recognized at all...maybe RQ is gone..usually BM/BL has this problem, never happened with RL/RQ

Dev Manag. Hard Ids. :usb/unknown

**hid3** · 7th May, 2018, 08:23 PM

Well, shit sometimes happen with RL/RQ too. Any chance you have a spare FT232RQ?

**alexm1** · 7th May, 2018, 08:32 PM

Nope...no RQ for back up..never need it...until now.
Never say never..

To bad..the cable looks good - writen on the pcb : hex pro v5

**hid3** · 7th May, 2018, 09:03 PM

Yes, it's genuine one, probably from ~2009-2014 year era. If Atmega EEPROM is stock and not blacklisted there, you could have used it without any loaders.
Now if you replace the RQ, then it becomes not genuine. Uncle R0$$ wants big bucks to "repair" it, otherwise they will do nothing to help you in that matter.

**guyguy307** · 7th May, 2018, 09:19 PM

hello i tested with v2 and vci work only 1 diagnostic
now i test v6.3. I was able to reflash and try to work for the moment. there is no loader more stable than 6.3 ore it's the must loader for 18.1 ?
thank you for your help it's very nice

**peetr** · 7th May, 2018, 10:43 PM

alexm1, maybe you're lucky and it's just a broken usb cable.. try to change it completely and solder on a new one. Or maybe you've mixed the USB D+ and D- lines.
If it doesn't help, it's propably the FT232 but honestly I really don't think that it's the FT

**alexm1** · 7th May, 2018, 10:45 PM

I allready tried that....no luck

**peetr** · 7th May, 2018, 11:45 PM

Thats not good.. well you can still save the interface but you're propably gonna need to use the loader.
You can cut the traces to the defective ftdi and hook up a eb*y FTDI usb-to-serial converter to the atmega. Should work but it's more like a "last chance fix".

**eliteland786** · 8th May, 2018, 12:08 PM

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**fantomel** · 8th May, 2018, 01:57 PM

1. that cable is not one original, not a golden pcb.
2. on chinese cables in general colors are not as they normal should be. best way is to take a multimeter and measure your cable then solder it.

**eliteland786** · 8th May, 2018, 11:59 PM

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**alexm1** · 9th May, 2018, 12:20 AM

Use the software from the cd/link, provided with the cable, otherwise you will have a non-working cable.
If you need a newer version for your cable you need to learn how to flash you cable, using only loader+last vers of software will not work for you.
To learn how to reflash Atmega...you need time read this thread. But to not lose your time...wait for the cable , share pics ..and if youre lucky you will get one with Atmega and after that will have a good reason to read.

**rizla3066** · 9th May, 2018, 12:49 AM

Could do with some help with my vag 12.12 clone. It has stopped working with a red flashing led and a 'usb device not recognized'. No vid in device manager. Some pics of the board are below. Thanks.

20180509_003808.jpg 20180509_003631.jpg