Motor Verbund 31: Fields Empty - Troubleshooting | Posts 16+

Translated on 05-10-2026, 6:26.

Good evening, everyone.

While trying to figure out why I can't initiate a regeneration on my Touareg V10 (BLE), I came across this post. In my case, it looks exactly like what dieseltech.ch describes: The fields in the control unit information section for control unit address 31 are empty.

Are there any new findings regarding these specific features of the BLE motor?

The latest version of VCDS is installed (DRV 18.9.0, data version 20181219 DS 296.0).

Thank you for any suggestions or solutions.

Translated on 05-10-2026, 6:27.

dieseltech.ch wrote:

So, now I have some news.

I've tried again to see if it's possible to access control unit address 31 within the engine electronics system, or if the login process works.

Unfortunately, without success.

Now I entered the regeneration command again in both engine control units 1 and 11, and this time it worked. I have no idea what the error was, but in any case, the diesel particulate filters were cleaned, and I reduced the filling coefficient to 3% and 5% after the regeneration cycle. I think that's a very good value after a cleaning. They are not brand new, after all.

dieselschrauber · Translated on 05-10-2026, 6:29.

Simply initiate the regeneration process separately in both control units and then proceed with a regeneration drive.

Best regards,
Nicolas Gemperle.

DIESELtech.ch