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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6402
  
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| lost all audio systems on D4 |
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Hey all,
I ahve been investigating weird out of the blue issues with infotainmnet system or its lack there of
It stopped working suddenly and shows the following trouble codes:
AAM-Audio Amplifier
U0300-51 (2F) Internal control module software incompatibility - System programming failure - not programmed
ACM-Audio System
U0300-51 (2F) Internal control module software incompatibility - System programming failure - not programmed
DABM-Digital Radio
U0300-51 (2F) Internal control module software incompatibility - System programming failure - not programmed
FCDIM-Front Control
U0300-51 (2F) Internal control module software incompatibility - System programming failure - not programmed
( on 08-03-2029 01:10:52 at 0 mi )
FCIMB-Audio Buttons
U0256-00 (2C) Lost communication with the front controls interface module
( on 02-10-2022 17:09:33 at 72177 mi )
I can't find any reference to U0300-51 in workshop manual
Situation :
screen works while car ges into reverse
all wiring seems to check out upon investigation
radio unit seems to be not operating at all does not even display initial LR screen upon ingnition on nor does it react to power button
CCF file shows all relevant settings so really puzzled whyit displays not programmed
any ide would be much appreciated .
I am suspecting radio to be caput completely but will check relays today which I have not done yet
Greg
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 11th Oct 2022 12:41 pm |
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DaveJLBI
Member Since: 07 Mar 2014
Location: Clare
Posts: 682
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I have had something similar recently but it has only been for a split second, mine goes off and comes back on - like a reboot. Drops bluetooth and screen goes dark, but as I say, it comes back after a second or a couple of seconds.
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| 12th Oct 2022 9:02 am |
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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6402
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i guess my radio unit is fooked 
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| 12th Oct 2022 10:27 am |
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nigethecat
Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4244
 
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Take the opportunity to replace it with something more modern !  I want to see the sweets before I get into your windowless van... I'm not stupid!
Corris Grey D4 Commercial SE 2016
Zermatt Sliver 2007 D3 SE manual (gone)
Indus Silver D4 HSE 2015 (gone)
Bonatti Grey D3 HSE 2006 (gone)
White D3 S (LHD) 2007 (gone)
Firenze Red D4 HSE 2014 (gone)
Black RRS 3.6TDV8 2008 (gone)
Rusty Green Defender 110 1997 (gone)
Black FL2 HSE 2013 (gone)
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| 12th Oct 2022 10:32 am |
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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6402
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like what big 10 inch screen to pretend I have 3L tesla?
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| 12th Oct 2022 10:43 am |
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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6402
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problem solved after checking some CAN signals and MOST network it turned out my TS got fried
how why no idea but nice learning adventure.
G
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| 18th Oct 2022 12:37 pm |
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Mikeyb
Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 516
  
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I too have the power off and reset fault of a D3.
Sometimes the radio stays on with frozen volume even after ignition key removed, can only be reset by pulling the fuse or battery terminal.
What is the "TS" that you referred to?
Thanks Not such a Disco Newbie now!
IID BT
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| 30th Mar 2023 3:53 pm |
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cobby
Member Since: 05 Aug 2018
Location: Oxfordshire
Posts: 229
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Was there ever an answer for what the "TS" was? Like to know as I have a similar problem with mine.
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| 26th Oct 2023 7:54 am |
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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6402
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in my case it was blown head unit (found after diagnostics on MOST bus)
replaced cheaply with same unit form fleabay and works the charm again
G
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| 26th Oct 2023 8:12 am |
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cobby
Member Since: 05 Aug 2018
Location: Oxfordshire
Posts: 229
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Help if possible please.
I found one of the big 40 amp fuses blown in fuse box in engine compartment, replaced it and it blew
immediately. Put test lamp to earth on battery and one of fuse terminals lit up as expected. Put test
lamp from live fuse terminal to other fuse terminal and it lit up and that to my mind suggests it's
shorted out to earth. But what is it as sat nav, radio, bluetooth not working. Also windows go down
on one touch but not on one touch up although if you hold window switch windows go right up. Can
anyone offer an explanation please as I suspect the radio but no way of being sure and don't want to
strip anything unnecessary. Thanks, Cobby.
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| 28th Oct 2023 11:15 am |
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