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| D3 - Lights Headlights, xenons, foglights. Everything outside the car that glows |
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#1
20th November 2014, 01:59 PM
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Drivers side back light
Hi chaps the drivers side back led light has stopped working both brake and the light on the boot is ok. Do I need a new light or is it repaireable,it's on the cars check list between the dash clocks, plus the car has been indoors for over 12 mth so no leaks
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#2
20th November 2014, 02:08 PM
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It depends, is it the older style lights 2003>2008 if it is the leds fail as they get older and it can be repaired, if the whole assy is not working them the control pcb will need replacing
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Del 
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#3
20th November 2014, 02:09 PM
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Failure is usually caused by water getting in at some point which causes the circuit board joints to slowly corrode. it happens over a long period, so could have happened anytime.
Only way to know for sure is to remove the light assembly, dismantle and have a look. The outer ones are easy to remove, but the boot lid ones a little harder.
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Manny 2004 A4 1.8T Sport Cabriolet, 89K Miles Past 2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly with retrofit AMI and DVB-T in place of Analogue 2003 Volvo S60 D5 SE Manual, 197K miles. 2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles
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#4
20th November 2014, 02:36 PM
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I had the same and it turned out that 5 out of 24 LEDs were dead. I called Audi, and they wanted to sell me new rear light unit for just £270. I said no thank you, instead I searched this forum and found that LEDs can be replaced (soldered). I replaced all 24 LEDs and it started working again. I think if few of the LEDs die it will automatically switch all of them off. I bought new LEDs off eBay, they were £4 for a bag of 50 or 100pcs. They are the "strawhat" type LED.
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Audi A8 D3 2006 - 4.2 TDI in Phantom Black
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#6
21st November 2014, 06:46 AM
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You'll need to remove it and take it apart first to assess the damage, or just buy a replacement from ebay. The light assembly is actually quiet a complex piece of electronics.
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Manny 2004 A4 1.8T Sport Cabriolet, 89K Miles Past 2004 D3 A8 3.7 Quattro, Xenon, Bose, Blinds, Solar Sunroof, TV, ACC, phone and almost every option. 168K miles rising slowly with retrofit AMI and DVB-T in place of Analogue 2003 Volvo S60 D5 SE Manual, 197K miles. 2001 D2 A8 3.7 QS, Bi-Xenon, Bose, Blinds, Electric Everything, retrofitted RNS-D, 191K Miles
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