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dikseln
28th August, 2013, 02:01 PM
Hello

I have read via OBD both ECU master and slave of this A8 0281013013, modify the file with ecusafe and write via OBD. Now the car don't start. Probably the error is cks.
I write with Vag commander and the cksum is calcolate during writing.

Any help is appreciate.

Thank you

powerchip
28th August, 2013, 02:26 PM
Here is the mod with checksumme OK !

i think when you put back the org file the car must start ! when the car doesnt start with org than you need BDM files !

thebigf2
28th August, 2013, 04:12 PM
Hello,

i Think your File is Bad, or your Tool makes not a good Job.

File must have 2048 kbyte, with normal Chiptuning Tool.

hope you have Full Backup with BDM
If not you must read full File with BDM device for Security.
Post it here, then we will see what is actually state of your ECU
Then you can Flash your OBD File, and see whether Car starts.
Org from Q7 with same SW is here for Compare:

dikseln
28th August, 2013, 05:57 PM
Thank you for reply.
I re-write the ori file and now the car start !

I will attempt to program the ecu with file of Powerchip and report the result.

Thank again

thebigf2
28th August, 2013, 06:13 PM
I would say lucky!

Make full BDM Backup for Security !

dikseln
30th August, 2013, 09:30 AM
Hello,

thank you for answers.
I have programmed with file of "powerchip" and the car is OK.

Is necessary to remove fisically the filter?

Thanks again

icezero2010
31st August, 2013, 12:40 AM
dikseln don?t use the Powerchip file the car has no dtcs anymore :-D . his file was done with ecusafe or volta or any other software do it manual and it work. the car smoke white after 400KM ;-)