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D3 - Interior Electrics Airbags, Sensors, climate modules, instrument clusters, switches etc |
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Thread Tools | Display Modes |
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#1
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Strange electrical issues
Hi all, I had a strange electrical surge/short the other day which created a tonne of error codes but they cleared straight away and it hasn't come back.
So, I was driving to Manchester with a friend to pickup a car for him, it's about a 2 hour drive for me it's probably the longest continuous drive I've done in the S8 since I bought it. Car drove flawless the entire way. We got about 30 seconds from our destination and suddenly the car jerked/jumped and all the dash electrics went off. Everything suddenly lit back up and I had a red "Brakes!" warning message that went away as soon as it appeared. I turned the engine off, waited a few seconds and started it again, no warning lights or nothing so we drove down the road to our destination. Whilst my friend was viewing this other car I used my carista (I have VCDS I just need to buy a new laptop) to scan the codes and it displayed the attached. I cleared the codes and almost everything has disappeared and not come back, the only stuff that has returned are the items I am aware off such as the wiper motor control and tweeter motors. Transmission: 49478 P0562 - Ultrasonic sensor right for theft alarm system (G171) ABS: 02083 - Message for Delay Request 01299 - Diagnostic Interface for Data Bus (J533) 01299 - Diagnostic Interface for Data Bus (J533) 01315 - Transmission Control Module (TCM) 01314 - Engine Control Module (ECM) Parking brake: 00456 - Control Module for Access and Start Control (J518) 00576 - Terminal 15 01315 - Transmission Control Module (TCM) 02443 - Control head 02596 - Rear brake pads worn Instrument cluster: 00668 - Supply Voltage Terminal 30 Radio: 00532 - Supply Voltage B+ 00447 - Function Limitation due to Voltage to High 00856 - Radio Antenna Sound system: 03017 - Motor for Tweeter front-left (V344) 03016 - Motor for Tweeter front-right (V345) 03000 - Amplifier for Digital Sound package (R184) TV tuner: 00447 - Function Limitation due to Voltage to High Heater & air conditioning: 00065 - Left Rear Footwell Heater (Z42) 00066 - Right Rear Footwell Heater (Z43) 00604 - Potentiometer (G113) in Positioning Motor for Air Flow Flap (V71) Auto-leveling suspension: 01400 - Suspension Level Control Central electronics: 00908 - Control Module for Wiper Motor 00908 - Control Module for Wiper Motor Body/convenience system: 01134 - Alarm Horn (H12) 01134 - Alarm Horn (H12) Driver's door: 00913 - Window Regulator Switch: Front Right (E81) Ignition authorization: 00191 - Passenger's Door Handle Touch Sensor (G416) 00955 - Key 1 Battery regulator: 02272 - Static (Quiescent) current stage 1 02273 - Static (Quiescent) current stage 2 02276 - Static (Quiescent) current stage 5 02274 - Static (Quiescent) current stage 3 02277 - Static (Quiescent) current stage 6 Roof electronics: 00211 - Control for interior lights in the back 02138 - Activation for Right Front Interior Lights 00308 - Supply voltage engines sun roof/Rolo sun roof Adaptive cruise control: 01316 - ABS Control Module 01315 - Transmission Control Module (TCM) The car drove back fine, although I did drive it without radio and the head unit was turned off. And it has not done it since. Any ideas where to start with this? |
#2
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Please post a full unedited VCDS scan. You've cut so much information it's impossible to make any suggestions.
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Matt 2004 A8 3.7q, 1998 A4 2.8q, 1994 Coupe 2.8q SORN, |
#3
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In addition to what Matt said, can you provide the full scans of before and after. You can add the full scan using the CODE option, which will add the full scan details within a scrollable region within your post, to keep it neater. When you're replying, click on the # symbol on the second line of icons above the reply field. That will insert the text CODE surrounded by square brackets followed by /CODE surrounded by square brackets, with the cursor between them. Just paste your scan in there.
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2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts My DIY jobs - Replaced alarm horn, Replaced Coolant Temp sensor, Updated RNS-D firmware, Installed Reversing Camera and Digital TV, Dashcam Installation, Retrofitted Rear Blinds, Auto-Dimming Rear View Mirror, Chrome Boot Struts Sold! 2008 S8 D3 5.2 V10 - Engine: BSM, Gearbox:KLW, Colour:LY7F Suzuka Grey Pearl Effect, Interior:Black/Black with Silver/Black valcona leather with carbon atlas inserts, Bang & Olufsen, Heated windscreen, Soft-close doors, TV, DAB, AMI, Quad Zone, Auto Boot, Auto dim Mirrors, Keyless entry, PDC with rearview camera, AFS II Headlights My DIY jobs - Fan Jet Windscreen Washers, Retrofitted Electric Side Blinds |
#4
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Thank you, unfortunately, that's all Carista will show me, I will get a laptop sorted so I can do a full VCDS scan.
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#5
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Maybe someone local to you can help with vcds…?
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2014 D4, FL 3.0tdi, phantom black, sport exec lwb 2002 D2 S8, Aqua Blue Pearl, original bar FE alloys and miltek 1997 D2 PF 4.2q, silver, Sport on roughly 90k and counting…. 1990 2.3 20v 7a Coupe Quattro **SOLD** 1996 2.6 v6 cabriolet, Isis red metallic **DEAD ** 2009 D3, 3.0tdi sport, black Had a few Audis over the years, mostly early stuff, newest was a D3 prior to my D4, nothing much kept me smitten with other marques so I floated about a bit from one thing to another until that four ring lure caught hold |
#6
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Thanks all, my repaired laptop should be arriving tomorrow afternoon, will post VCDS scan here tomorrow night/Sunday.
However the car hasn't done anything similar nor has it had any further electrical issues (aside from Auto Wipers, It looks like the gel pad needs replacing). |
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