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Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
04-12-2015, 13:46 PM,
Post: #1
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Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
Hi folks,
i am driving an 2009 CR 2.0 TDI Audi A3. i am a victim of VW's latest "Dieselgate" scandal. Which means VW and the german government will force me in 2016 to "update" my ECU with a new software that will very probably have a negative impact on horsepower and other motormanagement parameters. I am now investigating what i can do to revert back to my old ECU software after the "forced update" at my dealer. I have already read a lot about VAS and updating ECUs. I also have downloaded the corresponding .sgo file which is working at the moment in my ECU. Question is, how can i downgrade to that file. Are there any tutorials here for such cases? Which VAS Interface would you buy? Kind regards |
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04-12-2015, 14:29 PM,
Post: #2
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RE: Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
I sugest you to make a full backup of your ecu and save it on your pc..etc..then you can write it back when ever you need...read/write you can do with fgtech,ktag..etc on a bench..good luck
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04-12-2015, 14:53 PM,
Post: #3
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RE: Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
So, no possibilities via OBD?
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04-12-2015, 15:14 PM,
Post: #4
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RE: Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
EDC17 best way is BDM no OBD.
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04-12-2015, 15:30 PM,
Post: #5
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RE: Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
Ok that makes things more complicated.
Even with VAS PC and genuine .sgo file no chance? |
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04-12-2015, 15:59 PM,
Post: #6
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RE: Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
Hi
if you have genuine VAS PC are one more chance when will be ready one new FR/SGO file ! a second chance are if you have any tool to read such ecu than you dont need to wait for new calibration file from german headquarter Regards Full WinOLS User Custom made ENG/GER OLS file for TUNE/DPF/SCR/EGR/TVA/VSA/DTC and more... |
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04-12-2015, 16:31 PM,
Post: #7
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RE: Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
(04-12-2015, 15:59 PM)mike_service Wrote: Hi Sorry i dont understand. At the moment i have a genuine .sgo file of my ECU software. My idea was to buy a non genuine VAS adapter and to flash it back via OBD after the update from "german headquarter". (The idea is to avoid! this update) Can you give me a hint if this would work or not? |
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04-12-2015, 17:56 PM,
Post: #8
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RE: Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
Sorry..but already i have give you the hint !you have asked for genuine VAS PC,but it work also with china if are good product !
Full WinOLS User Custom made ENG/GER OLS file for TUNE/DPF/SCR/EGR/TVA/VSA/DTC and more... |
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04-12-2015, 18:06 PM,
Post: #9
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RE: Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
(04-12-2015, 17:56 PM)mike_service Wrote: Sorry..but already i have give you the hint !you have asked for genuine VAS PC,but it work also with china if you good product ! Sorry but i dont understand what "are one more chance when will be ready one new FR/SGO file !" means. The ECU will have a new firmware after the flash by the dealer and i want to flash my genuine SGO file of my old firmware after that. I wanted to know if that will work. |
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04-12-2015, 18:15 PM,
Post: #10
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RE: Audi A3 2.0 TDI EDC17 How to downgrade ECU firmware
I am sorry Mr. but you not are working in this "area"...
Are many tricks to downgrade the software for all EDC17 ecu from VAG ! Full WinOLS User Custom made ENG/GER OLS file for TUNE/DPF/SCR/EGR/TVA/VSA/DTC and more... |
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