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Old 02-10-2014, 05:03 PM   #1
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Default threw a CEL this afternoon, this is going to be expensive...

Like the title says:
Did a vag-com scan, came up with this: I'll cut out the boring parts....
Car seems to run fine but it feels like it is still misfiring at times, cannot clear those codes or the CEL.
Any insight as to where I should start to look?
Thanks in advance.



Monday,10,February,2014,19:03:37:37598
VCDS -- Windows Based VAG/VAS Emulator
VCDS Version: 12.12.0.0
Data version: 20130910


VIN: WAUPN94E79N004814 License Plate:
Mileage: 106410km-66120mi Repair Order:



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 4E (4L0)
Scan: 01 02 03 05 06 07 08 09 0E 0F 11 31 15 16 17 19 1E 28 34 36
37 38 42 46 47 4F 52 53 55 56 61 62 65 67 6C 72 76 77

VIN: WAUPN94E79N004814 Mileage: 106410km/66120miles

00-Steering Angle Sensor -- Status: OK 0000
01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
05-Acc/Start Auth. -- Status: Malfunction 0010
06-Seat Mem. Pass -- Status: OK 0000
07-Control Head -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
0E-Media Player 1 -- Status: OK 0000
0F-Digital Radio -- Status: OK 0000
11-Engine II -- Status: Malfunction 0010
31-Engine other -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
1E-Media Player 2 -- Status: OK 0000
28-HVAC, Rear -- Status: OK 0000
34-Level Control -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
37-Navigation -- Status: OK 0000
38-Roof Electronics -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: OK 0000
4F-Centr. Electr. II -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: OK 0000
55-Xenon Range -- Status: OK 0000
56-Radio -- Status: OK 0000
61-Battery Regul. -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
65-Tire Pressure -- Status: OK 0000
67-Voice Control -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: OK 0000
77-Telephone -- Status: OK 0000

-------------------------------------------------------------------------------
Address 01: Engine (BSM) Labels: Redir Fail!
Part No SW: 4E0 910 552 K HW: 4E0 907 552 A
Component: 5.2L V10/4V FSI 0020
Revision: 5IH03--- Serial number: AUX3Z0H6754839
Coding: 01060009190F0160
Shop #: WSC 02313 785 00200
VCID: 2A5BEFAD856DF74EEA7-807F

3 Faults Found:
009236 - Oxygen (Lambda) Sensor B1 S1 Voltage too Low / Air Leakage / Sample Error
P2414 - 008 - - MIL ON
Freeze Frame:
Fault Status: 11101000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 106388 km
Time Indication: 0
Date: 2014.02.10
Time: 06:44:20

Freeze Frame:
RPM: 1176 /min
Load: 23.9 %
Speed: 51.0 km/h
Temperature: 53.0C
Temperature: -3.0C
Absolute Pres.: 1010.0 mbar
Voltage: 12.827 V

009766 - Linear Oxygen (Lambda) Sensor B1 S1 Pump Current Trim Circuit
P2626 - 004 - Open - Intermittent - MIL ON
Freeze Frame:
Fault Status: 10100100
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 106389 km
Time Indication: 0
Date: 2014.02.10
Time: 06:45:01

Freeze Frame:
RPM: 1840 /min
Load: 16.9 %
Speed: 38.0 km/h
Temperature: 57.0C
Temperature: -3.0C
Absolute Pres.: 1010.0 mbar
Voltage: 13.208 V

006435 - Please Check DTC Memory of ECU Number 2
P1923 - 008 -
Freeze Frame:
Fault Status: 01101000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 106411 km
Time Indication: 0
Date: 2014.02.10
Time: 18:53:25

Freeze Frame:
RPM: 158 /min
Load: 59.2 %
Speed: 0.0 km/h
Temperature: 60.0C
Temperature: 42.0C
Absolute Pres.: 1010.0 mbar
Voltage: 10.414 V

Readiness: 0000 0000



-------------------------------------------------------------------------------
Address 11: Engine II Labels: Redir Fail!
Part No SW: 4E0 910 552 K HW: 4E0 907 552 A
Component: 5.2L V10/4V FSI 0020
Revision: 5IH03--- Serial number: AUX3Z0H6754839
Coding: 01060009190F0160
Shop #: WSC 02313 785 00200
VCID: 2A5BEFAD856DF74EEA7-807F

3 Faults Found:
000768 - Random/Multiple Cylinder Misfire Detected
P0300 - 008 - - Intermittent
Freeze Frame:
Fault Status: 00101000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 106270 km
Time Indication: 0
Date: 2014.02.03
Time: 19:32:05

Freeze Frame:
RPM: 1153 /min
Load: 48.2 %
Speed: 0.0 km/h
Temperature: 12.0C
Temperature: 5.0C
Absolute Pres.: 1020.0 mbar
Voltage: 12.954 V

000777 - Cylinder 9
P0309 - 008 - Misfire Detected - Intermittent
Freeze Frame:
Fault Status: 00101000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 106270 km
Time Indication: 0
Date: 2014.02.03
Time: 19:32:05

Freeze Frame:
RPM: 1153 /min
Load: 48.2 %
Speed: 0.0 km/h
Temperature: 12.0C
Temperature: 5.0C
Absolute Pres.: 1020.0 mbar
Voltage: 12.954 V

004490 - Bank 3; Sensor 1
P118A - 008 - Voltage too Low / Air Leak - MIL ON
Freeze Frame:
Fault Status: 11101000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 106387 km
Time Indication: 0
Date: 2014.02.10
Time: 06:41:38

Freeze Frame:
RPM: 1693 /min
Load: 45.1 %
Speed: 61.0 km/h
Temperature: 37.0C
Temperature: -4.0C
Absolute Pres.: 1010.0 mbar
Voltage: 13.208 V




-------------------------------------------------------------------------------
Address 61: Battery Regul. Labels: 4E0-910-181.lbl
Part No SW: 4E0 910 181 C HW: 4E0 915 181 C
Component: J0644 BEM H12 0550
Revision: 00000000 Serial number: 00000000013382
Shop #: WSC 01107 444 83891
VCID: 204F0D85F3513D1EB43-8075

Subsystem 1 - Part No: 4E0 915 105 A
Component: von VA0 2807080314
Coding: 344530393135313035412056413032383037303830333134
Shop #: WSC 02313 785 00200

1 Fault Found:
02272 - Quiescent Current Stage 1
000 - - - Intermittent
Freeze Frame:
Fault Status: 00100000
Fault Priority: 7
Fault Frequency: 3
Reset counter: 255
Mileage: 106324 km
Time Indication: 0
Date: 2014.02.07
Time: 04:45:58


-------------------------------------------------------------------------------
I'd hate to take this to dealer if there is something i can do myself.:/
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Old 02-10-2014, 07:15 PM   #2
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Default Early guesses.

1. What the heck, the old failing battery that starts to wreak D3 electronic havoc?
2. Vacuum leak in intake; comes up seemingly in a couple places in scan?
3. Bad knock sensor, or bad ECU?

If your battery is 4-5 years old and has shown any other signs of weakness, consider a preemptive strike. After that, I would go over the whole intake carefully for anything disconnected, loose clamps, cracked hoses, etc., and I guess I would do the obvious check all the O2 connectors and maybe the ECU connectors too.
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Current #2: 2013 Q5 2.0T hybrid; Scuba blue w/ chestnut sport interior; Euro delivery 7/2013 (pictured at Ingolstadt)
Prior (each modded): 2000 C5 A6 4.2 & '96 C4 A6 2.8Q, both still w/ family; '85 C3 5000S 5 sp FWD; '73 C1 100LS

helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.

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Old 02-10-2014, 08:30 PM   #3
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Default

4. Check Lambda Sensors harnesses.
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Old 02-11-2014, 03:38 AM   #4
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Battery is perhaps 2 months old now. Properly installed and recoded.
I did some searching last night and found issues related to O2 sensors. Looks like it had a misfire the othe morning upon startup or early into the morning drive. CEL (or MIL) came on yesterday afternoon. I looks like I have to go into the seperate modules to clear the codes.
Mishar...it is tight in there...I'm going to have to hire someone with small hands to do the checking.
edit:
Breaking down the fault codes, this occurrence only happened one time in each fault. Very odd. The reset counter is maxed to 255, so if I have 255 no-fault conditions the MIL would reset itself? Ths car is going to give me a panic attack. :/
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Video enabled
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Foglight ROW
VCDS Lowered
LED puddle/trunk lights
Keyfob/doorswitch window convenience mod

Chris Knox
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Last edited by 1Wasserwerks; 02-11-2014 at 04:29 AM.
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Old 02-11-2014, 05:16 AM   #5
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Default Check O2 connections on the right hand side of the firewall....

I had this on my S8 and MP4.2+6.0 was right.
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Old 02-11-2014, 05:25 AM   #6
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Quote:
Originally Posted by mishar View Post
4. Check Lambda Sensors harnesses.
I second this as it's worth a try. I've had a similar intermittent issue (http://forums.audiworld.com/showthread.php?t=2861246), and while it still comes & goes...if I unplug the harness(es) under the engine compartment and reset via VCDS it seems to go away for awhile (currently I'm over 1000 miles with no recurring MIL/CEL).
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Old 02-11-2014, 10:29 AM   #7
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Default BTW, playing with the O2 sensors on my W12 and how it relates to your S8 codes

I recently got codes and a CEL on a front W12 sensor. My codes were specific to the sensor and basically told me it was shot. Fortunately, as it turned out! There are the scary ones on the W12 farther back (especially the ones BEHIND the cats that are high up), but the far front ones are a piece of cake, even compared to my prior C5 4.2.

For OP, I see your codes start with B1S1. Assuming the same numbering as the W12, that is the front left (U.S. passenger) side sensor. [B2S1 would be the rear one on the same side (in a tight but visible spot on the W12).] Your other code is over on B3S1; again should be the front most sensor on the driver's side. On mine, once I remove the air box, the front ones are right there in plain sight. Amazon has the Bosch OE equivalents on mine in the $80 price range, vs. just over $200 discounted from the web friendly dealers.

You may have to study this pic a bit to figure it out, but here is the socket wrench with an extension reaching down to a crowfoot style O2 wrench--7/8"/22mm; cheap on Amazon. The wrench end is on the B1S1 W12 sensor. I pulled the air box and it's right there and simple to reach by open hand once you loosen it. The front driver's side would be just as easy on the W12. Hopefully similar on the S8 for the front ones. Play with the connectors and look for air leaks, but if codes don't clear, consider replacing your B1S1 and B3S1 (front most) ones.
Attached Images
File Type: jpg photoO2.jpg (76.9 KB, 68 views)
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Current #1: '06 D3 A8L W12 brilliant black w/ amaretto; 4 seat setup, CPO; modestly lowered, H&R 20mm rear and 12mm front DRs with 275/35 on OEM polished + forged 20's; S8 sway bars (see: rear bar and gen'l D3 bar info and front bar); tweaked 385mm front factory brake mod and matching rear brake mod; matching C6 A6 back headrests (better rear view: headrest tweak); owner installed AMI retrofit with part number details here.
Current #2: 2013 Q5 2.0T hybrid; Scuba blue w/ chestnut sport interior; Euro delivery 7/2013 (pictured at Ingolstadt)
Prior (each modded): 2000 C5 A6 4.2 & '96 C4 A6 2.8Q, both still w/ family; '85 C3 5000S 5 sp FWD; '73 C1 100LS

helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.

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Old 02-11-2014, 10:49 AM   #8
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Very helpful description, thank you!
I believe first off I am going to re-run the scan then go into the error specific modules to try to clear the codes. The way I understand this is that I need to clear the dtc codes on ecu 2. Looking up some ross-tech wiki information as well as other places could not provide me with the detailed info. This event only happened once, but the times recorded are out of sync. Some occured in the am, others occured last evening. Some were even days before this. MIL only came on yesterday evening.
I agree that it may be as simple as an O2 sensor change. Of course of all the tools I have, I do not have any crow's feet!
Time is limited on my end at this moment. Why does this have to happen 1) in the middle of winter and 2) when i'm working mostly 12hrs a day.
Thanks all for the input, at least I have a better understanding now.
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2009 S8 Daytona grey, B/O, C/F
Video enabled
VIM enabled
Foglight ROW
VCDS Lowered
LED puddle/trunk lights
Keyfob/doorswitch window convenience mod

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President, Wasserwerks
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Old 02-11-2014, 03:17 PM   #9
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Quote:
Originally Posted by 1Wasserwerks View Post
Very helpful description, thank you!
I believe first off I am going to re-run the scan then go into the error specific modules to try to clear the codes. The way I understand this is that I need to clear the dtc codes on ecu 2. Looking up some ross-tech wiki information as well as other places could not provide me with the detailed info. This event only happened once, but the times recorded are out of sync. Some occured in the am, others occured last evening. Some were even days before this. MIL only came on yesterday evening.
I agree that it may be as simple as an O2 sensor change. Of course of all the tools I have, I do not have any crow's feet!
Time is limited on my end at this moment. Why does this have to happen 1) in the middle of winter and 2) when i'm working mostly 12hrs a day.
Thanks all for the input, at least I have a better understanding now.
You are right about clearing codes on ECU2 first, have to do that before you can clear anything out of ECU1.
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Old 02-11-2014, 03:17 PM
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