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.sgo for 4L0 907 553 C 7760
22-09-2023, 19:13 PM,
Post: #1
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.sgo for 4L0 907 553 C 7760
Hello guys
I am looking for a flash file for an Audi Q7 2007. The file which is currently on the ecu it has the number 4L0 907 553 C 7760, but this file I cannot not find. It was suggested to me that I should take the 4L0910553F_7750. What do you think about this idea? Can someone please explain to me what the letters actually mean? Was there a substitution here? Thanks for your help ellisekizh |
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22-09-2023, 22:04 PM,
Post: #2
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RE: .sgo for 4L0 907 553 C 7760
You mixing up hardware and sw numbers. On Q7 4L the most times xxx907xxx is hardware number and firmware is always xxx910xxx.
i found an ecu on picture search with firmware 4L0910553C 766 and with Hardware 4L0907553 HW Rev 03. From parts program: 4L0910553C gets replaced in 11/2009 by 4L0910553F, in 03/2010 it gets replaced by 4L0910553J and this stays as actual one. Searching again on Picture Search: 4L0910553F 7550 is also running on Hardware 4L0907553 HW Rev. 03 therefore it should be flashable. The letters at the end are index letters. they get replaced in different conditions: when hardware (including internal chips) or connection protocols are changed to work with newer equipment after change of model year or fix hardware problem, a big bug is fixed, or it is for cars equipped with other parts. Only a Audi TSB could tell you, what has been changed. And there is one for Firmware 4L0910553E. So for the 4L0910553F Firmware, it is replacing the Firmware 4L0910553E in all versions because of: No communication with 34 module, vehicle lowers after engine start, air suspension warning lights blink (DTC 01487) - SVM Code: 4L34A003 Because it gets replaced, and resolves an error, and Hardware is same, i would flash it. If my answer helped to fix anything, then don't forget to give me some rep please!
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Reputation: +1 - ellisekizh [+1] | |||
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