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Audi Q7 4.2 tdi ECD16CP34 Kill By Flex

1
Helllo Bad story with this Car maybe one genuis can help after 50 or more hours lost

So it fail with Flex Obd and car not start anymore, fan active and no com with ecu's
After that i have read backup and try all possible for me,

Attached:
Read obd and backup after fail obd
Files after back to life, odis-e Flashed


Problem on this car is ecu are not same, one ecu is from a8 :
4e1907409
0281012503

other ecu q7 is :
4l0910409
0281013013
Thanks given by:
2
Since it is a 4.2L it has a master and a slave ecu (2x control units).
Judging by the numbers from the obd read (4L0910409_0020),
here's the original full flash to write via bdm/bench in it...
You should also read the 2nd ecu to confirm it is not bricked...
Press thanks & rep, no password.
Manual File-Service & Mechatronic Solutions.
Official Magicmotorsport® distributor.
Certified & licensed EVC WinOLS® reseller.
Thanks given by: 2longue , mihaiti
3
(10-21-2025, 03:01 AM)BV_FILES Wrote: Since it is a 4.2L it has a master and a slave ecu (2x control units).
Judging by the numbers from the obd read (4L0910409_0020),
here's the original full flash to write via bdm/bench in it...
You should also read the 2nd ecu to confirm it is not bricked...
Press thanks & rep, no password.

Thanks but it not work, i have write ecu master 
try slave 2 not work
Thanks given by:
4
hello! 
i need a full bdm  master and slave  audi q7 4.2 tdi 

0281013013 
4l0910409B 0020 




0281013013 

4l0910409B  0020

THANKS
Thanks given by:

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