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A8 D4 Bang Olufsen dont work after Update MMI
09-11-2022, 16:02 PM,
Post: #1
A8 D4 Bang Olufsen dont work after Update MMI
Hi guys i have problem with A8 D4 2016 , i perform a software updated with P1001 fw , included BO system i thought only Bose have problems after update. the problem is there is no bass anymore , in 47 there is no any dtcs , i tryed to used ZDC from VCP and uploaded sucesfully, also restart the batery , also check SVM online but odis didnt see any changes or adjustments i thought maybe for that kind of issue need specyfic SVM code.


the 47 iditefication is

4H0035465C FW 180 , before was FW 150 , also there is a slave amp 4H0035466 witch maybe this control the bass settings and its lost data set?


or maybe it was just bad luck and something screw up  - checked the messure blocks and on bass speakers on front there is 0V and shoud be around 0.44
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09-11-2022, 19:37 PM,
Post: #2
RE: A8 D4 Bang Olufsen dont work after Update MMI
(09-11-2022, 16:02 PM)Navigationmaster Wrote:  Hi guys i have problem with A8 D4 2016 , i perform a software updated with P1001 fw , included BO system i thought only Bose have problems after update. the problem is there is no bass anymore , in 47 there is no any dtcs , i tryed to used ZDC from VCP and uploaded sucesfully, also restart the batery , also check SVM online but odis didnt see any changes or adjustments i thought maybe for that kind of issue need specyfic SVM code.


the 47 iditefication is

4H0035465C FW 180 , before was FW 150 , also there is a slave amp 4H0035466 witch maybe this control the bass settings and its lost data set?


or maybe it was just bad luck and something screw up  - checked the messure blocks and on bass speakers on front there is 0V and shoud be around 0.44

Have you tried "BO_Amplifier_A8_4H0035465c.zdc" ?

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09-11-2022, 20:58 PM,
Post: #3
RE: A8 D4 Bang Olufsen dont work after Update MMI
(09-11-2022, 19:37 PM)zijad77 Wrote:  
(09-11-2022, 16:02 PM)Navigationmaster Wrote:  Hi guys i have problem with A8 D4 2016 , i perform a software updated with P1001 fw , included BO system i thought only Bose have problems after update. the problem is there is no bass anymore , in 47 there is no any dtcs , i tryed to used ZDC from VCP and uploaded sucesfully, also restart the batery , also check SVM online but odis didnt see any changes or adjustments i thought maybe for that kind of issue need specyfic SVM code.


the 47 iditefication is

4H0035465C FW 180 , before was FW 150 , also there is a slave amp 4H0035466 witch maybe this control the bass settings and its lost data set?


or maybe it was just bad luck and something screw up  - checked the messure blocks and on bass speakers on front there is 0V and shoud be around 0.44

Have you tried "BO_Amplifier_A8_4H0035465c.zdc" ?
yes thats the exactly i tryed , im starting to doubt its dataset issue , unfortunaly i cant 100% confirm if the system was fully working before update. maybe the issues is somewere else or the dataset is not complete , or need zdc for slave amp 466
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10-11-2022, 07:12 AM,
Post: #4
RE: A8 D4 Bang Olufsen dont work after Update MMI
(09-11-2022, 20:58 PM)Navigationmaster Wrote:  
(09-11-2022, 19:37 PM)zijad77 Wrote:  
(09-11-2022, 16:02 PM)Navigationmaster Wrote:  Hi guys i have problem with A8 D4 2016 , i perform a software updated with P1001 fw , included BO system i thought only Bose have problems after update. the problem is there is no bass anymore , in 47 there is no any dtcs , i tryed to used ZDC from VCP and uploaded sucesfully, also restart the batery , also check SVM online but odis didnt see any changes or adjustments i thought maybe for that kind of issue need specyfic SVM code.


the 47 iditefication is

4H0035465C FW 180 , before was FW 150 , also there is a slave amp 4H0035466 witch maybe this control the bass settings and its lost data set?


or maybe it was just bad luck and something screw up  - checked the messure blocks and on bass speakers on front there is 0V and shoud be around 0.44

Have you tried "BO_Amplifier_A8_4H0035465c.zdc" ?
yes thats the exactly i tryed , im starting to doubt its dataset issue , unfortunaly i cant 100% confirm if the system was fully working before update. maybe the issues is somewere else or the dataset is not complete , or need zdc for slave amp 466
I would try reinstalling once again the fw, who knows maybe it was just a bad luck....

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[+] 1 user says Thank You to zijad77 for this post
10-11-2022, 08:16 AM,
Post: #5
RE: A8 D4 Bang Olufsen dont work after Update MMI
Send me the VIN and SW Version which the BO Amp has now... i will send you xml parameter for headunit and Amp.

- Headunit disassembler skills
- VW/AUDI/SKODA/SEAT/BENTLEY GeKo access



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[+] 1 user says Thank You to LS88 for this post
10-11-2022, 09:38 AM,
Post: #6
RE: A8 D4 Bang Olufsen dont work after Update MMI
ok thanks check your dm
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10-11-2022, 10:52 AM,
Post: #7
RE: A8 D4 Bang Olufsen dont work after Update MMI
(10-11-2022, 09:38 AM)Navigationmaster Wrote:  ok thanks check your dm

Here is the original dataset for this car


Attached Files
4H0035465C_DiagAd47_WAUZZZ4H8XXXXXX-Param.zip
File Type: .zip
Downloaded: 27 times
Size: 14.57 KB


- Headunit disassembler skills
- VW/AUDI/SKODA/SEAT/BENTLEY GeKo access



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10-11-2022, 11:56 AM,
Post: #8
RE: A8 D4 Bang Olufsen dont work after Update MMI
thanks mate , will test and report
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10-11-2022, 12:28 PM,
Post: #9
RE: A8 D4 Bang Olufsen dont work after Update MMI
Does the A8 have rear seat entertainement (RSE)?
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