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Solved ✔ SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
28-10-2023, 22:16 PM,
Post: #1
jfim88 Offline
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ZSeat  SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
Hi guys

My wife car is an Ibiza 6J 1.6TDI 105CV from 2011. 

I want to downgrade the software to the one pre dieselgate, but I don’t know how to do it. 

How I can obtain the file? What tool I need to do it? It’s difficult? 

Here’s the ECU data I see from OBD11

Software number: 03L906023T
Software version: 9980
Hardware number: 03L906023S
Hardware version: H13

Thanks in advance
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29-10-2023, 06:08 AM,
Post: #2
canisha Offline
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RE: SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
Here is your file
You must have ODIS to write this file


Attached Files
FL_03L906023T__9979.rar
File Type: .rar
Downloaded: 6 times
Size: 1.61 MB


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29-10-2023, 06:41 AM,
Post: #3
jfim88 Offline
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RE: SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
canisha dateline='[url=tel:1698559707' Wrote:  1698559707[/url]']
Here is your file
You must have ODIS to write this file

Thanks you! Any concrete version of ODIS? What cable?
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30-10-2023, 16:34 PM,
Post: #4
jfim88 Offline
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RE: SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
(29-10-2023, 06:08 AM)canisha Wrote:  Here is your file
You must have ODIS to write this file

Mate, are you sure this is pre-dieselgate? How I can know what version is the first with dieselgate?

Read another user in a forum that did the dieselgate and have the 9979
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04-11-2023, 15:59 PM,
Post: #5
jfim88 Offline
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RE: SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
Please I need help.

Like I said, my wife Ibiza has now 9980 software for 03L906023T.

I want to flash it to a pre dieselgate software using ODIS E.

Some folk in another forum said me that 9972 is the latest without dieselgate.

Another folk said that 6005 is the latest without dieselgate.

Please, anyone can confirm what is the latest software pre dieselgate for this ECU?
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04-11-2023, 16:36 PM,
Post: #6
reini1976 Offline
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RE: SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
Latest pre dieselgate for 03L906023T is 9972

Regards


Attached Files
FL_03L906023T__9972.rar
File Type: .rar
Downloaded: 3 times
Size: 1.61 MB

Reputation: +1 - jfim88 [+1]
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04-11-2023, 16:48 PM,
Post: #7
jfim88 Offline
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RE: SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
reini1976 dateline='[url=tel:1699115792' Wrote:  1699115792[/url]']
Latest pre dieselgate for 03L906023T is 9972

Regards

Wow. Thanks you so much! 

How I can know what is pre dieselgate for other ECUS?
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05-11-2023, 19:45 PM,
Post: #8
reini1976 Offline
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RE: SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
From 9977 onwards is dieselgate update.

If you downgrade you must remove the "flow straightener" between airfilter and maf sensor

regards

reini1976
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05-11-2023, 19:48 PM,
Post: #9
maros4341 Offline
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RE: SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
9972 is latest pre-DG software
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06-11-2023, 16:14 PM,
Post: #10
jfim88 Offline
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RE: SEAT Ibiza 6J 1.6 TDI 105CV. How to downgrade to pre dieselgate.
(05-11-2023, 19:45 PM)reini1976 Wrote:  From 9977 onwards is dieselgate update.

If you downgrade you must remove the "flow straightener" between airfilter and maf sensor

regards

reini1976

(05-11-2023, 19:48 PM)maros4341 Wrote:  9972 is latest pre-DG software

Thanks you both guys.

I have 6925, 8102, 8878, 9970, 9971 and 9972 software.

There is any particular version known as better than others?
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