VCDS and OBD diagnostic device in the On-Board Diagnostics Shop
Diesel technology, engine technology, vehicle diagnostics, repair & maintenance.

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Profi-Schrauber
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2001 Audi A4 Avant
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Post14-06-2022, 6:30    Subject: Quote

I suspect this might be related to the ABS (Anti-lock Braking System).
Sommer: A4 B5 Avant 2,5 TDI Quattro Facelift (AKN silber)

Wartet auf H Kennzeichen: A4 B5 Avant 1.9 TDI Quattro (AFN Schwarz)

Winter: A4 B5 Avant TDI Quattro (AFN rot)

Alltags Spardose: Audi A2 1.4 TDI (AMF Silber)


Translated on 13-07-2026, 18:20.
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2018 Volkswagen T6 Consumption


Post14-06-2022, 22:31    Subject: Quote

benschke wrote:
dieselschrauber wrote:
What is definitely not okay is the lack of a 12V power supply for the diagnostic cable. Hopefully, the ignition is always on in this case?


Something's gone wrong.
12V für das Diagnosekabel liegen an (wie oben gezeigt im Screenshot) und Zündung war auch jeweils an.


"I only see the Screenshot from June 9, 2022, at 11:54 AM, and it doesn't show either +12V or ignition being active. Which Screenshot are you referring to?"


Translated on 13-07-2026, 18:22.
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benschke



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Post15-06-2022, 7:31    Subject: Quote

The fourth post from the top, counting all posts.
I am unable to translate the provided text as it appears to be a hexadecimal code representing an image file name rather than actual text.
1997 Audi A6 Avant, 2,5l TDI (Motor AEL)
2015 VW Golf Variant, 2,0l TDI (Motor CRLB)
1965 VW 1200 (Exportmodell)


Translated on 13-07-2026, 18:23.
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benschke



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Post15-06-2022, 8:33    Subject: Quote

It involves either the 2x2 cable harness or the connection of contacts to the vehicle or OBD connector.
I managed to connect the interface using a rather unconventional setup, and now I can read data from it.
"Of course, I've already measured the 2x2 connectors before, but I still can't find any defects. I just opened it up (it was clipped together). Everything looks fine inside, and there's continuity on all the cables. It seems like it's not making proper contact with the vehicle or the OBD port somehow."

Thank you to all who helped!



215DD503-B330-4BF0-8379-3848A5DB48A6.jpeg
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215DD503-B330-4BF0-8379-3848A5DB48A6.jpeg

1997 Audi A6 Avant, 2,5l TDI (Motor AEL)
2015 VW Golf Variant, 2,0l TDI (Motor CRLB)
1965 VW 1200 (Exportmodell)


Translated on 13-07-2026, 18:25.
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dieselschrauber
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Post15-06-2022, 9:15    Subject: Quote

Thank you for the feedback icon_smile_thumb_up.gif.


Translated on 13-07-2026, 18:26.
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