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D3 - Interior Electrics Airbags, Sensors, climate modules, instrument clusters, switches etc |
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Thread Tools
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Display Modes
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#1
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Eek. I admire your perseverance. The more I thought about the issue the less I’ve been inclined to do anything about it. All I have is a click and a few seconds of silence.
I’ve got the ECU, but can’t be bothered with CP and S/W incompatibilities so it’s on the shelf for now. I hope you get yours fixed 100%.
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2010 A8 SE Executive 4.2 FSI D4 2007 Mini Cooper S R56 2008 D3, gone, but not forgotten after 9 years and 90k. |
#2
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My dad's A6 had an issue with the radio randomly coming on. it did show as a fault with the MMI in VCDS (can't remember the fault code) but I was advised by the garage it was in to stick some WD40 down there. I let the car go to sleep and then sprayed some of the WD40 contact cleaner and it has never done it again.
Not the same problems you guys have had but worth a try if there is any liquid that has gone down there or maybe a dirty contact? As for CP, I think some people may be able to do it remotely but not too sure
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2008 (facelift) S8 with B&O, ACC, glass sunroof, reversing camera, front and rear heated seats, ceramic brakes, homelink, electric side and rear blinds, ski load through, heated fan washer jets, remote boot closing, de-flapped manifold, fridge, umbrella holder ![]() |
#3
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Oh my problem is fixed.....The buttons did that!
I've JUST managed to read the working firmware off my non CP working unit. Finding the right software/drivers for the programmer takes some doing and DAMN the holes are small for fitting the wires in - I had some fine multistrand stuff that i trimmed and made work, but even with a magnifier it took some doing! Then the software is generally a bit bobbins, or maybe my wires or something. I could just about get a read in the first 10 seconds with most the software. I tried a couple of versions and a couple of different pieces of software. I've now got 5 identical files and you can read the serial number out, which matches with an old VCDS scan as well, so i'm pretty confident i've managed to back my eprom up. A WHOLE 8k file!!! You need a fine T7 torq to get into the head unit itself and i think having the RIGHT size wire to start with would make it a fair bit easier, but in all honesty, it really isn't a job to do, unless you need to......Or you have an interest in it.
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Current : 2005 A8 Sport 4.2 V8 D3 - LPG working! Previous : 1998 S8 PF 4.2 V8 D2 - Gearbox died ~120k 2002 S8 FL 4.2 40v V8 D2 Prins LPG - Engine valves met pistons ~230K Also : 1996 Jeep Grand Cherokee 4.0l (Post Apocalyptic makeover) 2003 Brabus Smart FourTwo (should sell) 2003 Mazda Rx8 2.3 (might sell) |
#4
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2008 (facelift) S8 with B&O, ACC, glass sunroof, reversing camera, front and rear heated seats, ceramic brakes, homelink, electric side and rear blinds, ski load through, heated fan washer jets, remote boot closing, de-flapped manifold, fridge, umbrella holder ![]() |
#5
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From reading on the net the general consensus seemed to be the buttons were just buttons and them being dead just meant the MMI would work, but you wouldn't be able to use the buttons to control it. THIS is wrong. Unplug the buttons and the MMI shows for a few secs and then turns off. Which is why i bought a second-hand HU (4E0 907 468 A) and was preparing to defeat CP, but my new module didn't show either, so i bought some second-hand buttons (4E2 919 610 B) which the MMI popped back into life. I had the kit and was curious if I could remove the CP on the HU module with the eeprom write hack and it WORKED!
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Current : 2005 A8 Sport 4.2 V8 D3 - LPG working! Previous : 1998 S8 PF 4.2 V8 D2 - Gearbox died ~120k 2002 S8 FL 4.2 40v V8 D2 Prins LPG - Engine valves met pistons ~230K Also : 1996 Jeep Grand Cherokee 4.0l (Post Apocalyptic makeover) 2003 Brabus Smart FourTwo (should sell) 2003 Mazda Rx8 2.3 (might sell) |
#6
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Thanks for the explanation and good work!
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2008 (facelift) S8 with B&O, ACC, glass sunroof, reversing camera, front and rear heated seats, ceramic brakes, homelink, electric side and rear blinds, ski load through, heated fan washer jets, remote boot closing, de-flapped manifold, fridge, umbrella holder ![]() |
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