2008 Audi A6 C6 Allroad - Glow Plug light flashing, limp mode, won't start. Help?

   #1  

thefarmer

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Hello,

Asking for advice from experienced people.

History: because of bad fuel quality and dirt in the tank i needed to change injectors and clean all fuel system (changed all 6 injectors, fuel filter, took out fuel tank, washed it, dried it, changed low pressure pump in the tank.) Coded injectors, did DPF emergency regeneration... all was fine at that point, engine performed perfectly, drove around 500 km.

During one day trip there was a bumpy road and i hit one pit on asphalt in the highway - after around 30 seconds glow plug light started flashing and there was a huge loss in power. I stopped the car and switched off the engine, started again, it worked on idle for 5 seconds and suddenly engine has stopped.. after that it couldn't start trying multiple times, been pushing starter until battery started to die. (i had enough fuel in the tank and fuel was good quality since the repair).

Here is the complete auto-scan:


2008 Audi A6 Allroad 3.0TDI 171kW

Code:
VIN: WAUZZZ4F78N......   Mileage: 317210km-197105miles

00-Steering Angle Sensor -- Status: OK 0000
01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: Malfunction 0010
03-ABS Brakes -- Status: Malfunction 0010
05-Acc/Start Auth. -- Status: OK 0000
07-Control Head -- Status: Malfunction 0010
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
0E-Media Player 1 -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: Malfunction 0010
19-CAN Gateway -- Status: OK 0000
34-Level Control -- Status: Malfunction 0010
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: Malfunction 0010
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-Headlight Range -- Status: OK 0000
56-Radio -- Status: OK 0000
61-Battery Regul. -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
69-Trailer -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 059-907-401-ASB.clb
   Part No SW: 4F9 910 401 L    HW: 4F0 907 401 C
   Component: 3.0L V6TDI  G000AG  0010  
   Revision: --H04---    Serial number:               
   Coding: 0011372
   Shop #: WSC 66565 257 00032
   VCID: 2E58B939B989D63F05-807B

5 Faults Found:
005715 - Please check DTC Memory of ABS Controller 
               P1653 - 002 -  - Intermittent
             Freeze Frame:
                    Fault Status: 00100010
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 316755 km
                    Time Indication: 0
                    Date: 2019.11.01
                    Time: 17:03:19

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Duty Cycle: 1.0 %
                    Voltage: 12.08 V
                    Bin. Bits: 00101000
                    Torque: 109.2 Nm
                    Bin. Bits: 00000100

005658 - Glowplug for Cylinder 1 (Q10) 
               P161A - 001 - Open Circuit
             Freeze Frame:
                    Fault Status: 01100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 316767 km
                    Time Indication: 0
                    Date: 2019.11.02
                    Time: 10:52:23

             Freeze Frame:
                    RPM: 924 /min
                    Torque: 136.5 Nm
                    Speed: 0.0 km/h
                    Duty Cycle: 1.0 %
                    Voltage: 13.83 V
                    Duty Cycle: 24.1 %
                    Temperature: 2.7∞C

005660 - Glowplug for Cylinder 3 (Q12) 
               P161C - 001 - Open Circuit
             Freeze Frame:
                    Fault Status: 01100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 316767 km
                    Time Indication: 0
                    Date: 2019.11.02
                    Time: 10:52:23

             Freeze Frame:
                    RPM: 924 /min
                    Torque: 136.5 Nm
                    Speed: 0.0 km/h
                    Duty Cycle: 1.0 %
                    Voltage: 13.83 V
                    Duty Cycle: 24.1 %
                    Temperature: 2.7∞C

005662 - Glowplug for Cylinder 5 (Q15) 
               P161E - 001 - Open Circuit
             Freeze Frame:
                    Fault Status: 01100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 316767 km
                    Time Indication: 0
                    Date: 2019.11.02
                    Time: 10:52:23

             Freeze Frame:
                    RPM: 924 /min
                    Torque: 136.5 Nm
                    Speed: 0.0 km/h
                    Duty Cycle: 1.0 %
                    Voltage: 13.83 V
                    Duty Cycle: 24.1 %
                    Temperature: 2.7∞C

004195 - Fuel Pressure Regulation 
               P1063 - 001 - Control Range Not Reached - MIL ON
             Freeze Frame:
                    Fault Status: 11110001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 317207 km
                    Time Indication: 0
                    Date: 2019.11.03
                    Time: 18:17:21

             Freeze Frame:
                    RPM: 1848 /min
                    Torque: 273.0 Nm
                    (no units): 5.0
                    Voltage: 13.91 V
                    Pressure: 475.7 bar
                    Duty Cycle: 42.6 %

Readiness: 0 0 0 0 0 

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 09L-927-760.lbl
   Part No SW: 4F5 910 156 C    HW: 09L 927 156 C
   Component: AG6 09L 3,0 TDI RdW 0020  
   Revision: --H03---    Serial number:        4359852
   Coding: 0000001
   Shop #: WSC 02325 758 00200
   VCID: 28544F219B6D880FCF-807D

1 Fault Found:
005913 - Functionality limited due to Engine Control Module 
               P1719 - 000 -  - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 0
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 316755 km
                    Time Indication: 0
                    Date: 2019.11.01
                    Time: 16:59:58


-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 4F0-910-517.clb
   Part No SW: 4F0 910 517 AB    HW: 4F0 614 517 R
   Component: ESP 8.0 quattro H05 0040  
   Revision: 00000000    Serial number: 00000000000000
   Coding: 0000392
   Shop #: WSC 02325 758 00200
   VCID: 64CC1B11A7C52C6F23-8031

1 Fault Found:
01826 - Sensor for Steering Angle (G85); Supply Voltage Terminal 30 
            000 - - - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 3
                    Fault Frequency: 4
                    Reset counter: 81
                    Mileage: 316755 km
                    Time Indication: 0
                    Date: 2019.11.01
                    Time: 16:16:15

             Freeze Frame:
                    Hex Value: 0x0000
                    Hex Value: 0x02A2
                    Hex Value: 0x0024
                    Hex Value: 0x0195
                    Hex Value: 0x00FF


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth.        Labels:. 4F0-910-852.clb
   Part No SW: 4F0 910 852     HW: 4F0 905 852 B
   Component: FBSAUDIC6 ELV   H31 0230  
   Revision: 09010701    Serial number: 10601500852478
   Coding: 0000131
   Shop #: WSC 40567 222 87330
   VCID: 63CE180DA2CB2B57DA-8037

   Subsystem 1 - Part No: 4F0 910 131 E
   Component: FBSAUDIC6 EZS   H45 0080

   Subsystem 2 - Part No: 4F0 910 220 K
   Component: FBSAUDIC6 IDG   H01 0053

No fault code found.

-------------------------------------------------------------------------------
Address 07: Control Head        Labels: 4F0-910-7xx-07-H.clb
   Part No SW: 4F0 910 732 A    HW: 4E0 035 729 
   Component: Interfacebox    H43 4220  
   Revision: 00000000    Serial number: 350HT077815553
   Coding: 0003002
   Shop #: WSC 02335 758 00200
   VCID: 21425205F857794788-8075

   Subsystem 1 - Part No: 4F0 910 609 E
   Component: Bedienteil MMIC6H01 0060

   Subsystem 2 - Serial number: 00000000840547

   Subsystem 3 - Serial number: 0120.08.070000000100010773ˇ

   Subsystem 4 - Serial number: 010773ˇ

1 Fault Found:
01317 - Control Module in Instrument Cluster (J285) 
            004 - No Signal/Communication - Intermittent
             Freeze Frame:
                    Fault Status: 00100100
                    Fault Priority: 5
                    Fault Frequency: 1
                    Reset counter: 84
                    Mileage: 317208 km
                    Time Indication: 0
                    Date: 2019.11.03
                    Time: 18:45:06

             Freeze Frame:
                    Bin. Bits:       10


-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 4F0-910-043.clb
   Part No SW: 4F0 910 043 A    HW: 4F1 820 043 AG
   Component: KLIMABETAETIGUNGH30 0020  
   Revision: 00000053    Serial number: 00000030276610
   Coding: 0000278
   Shop #: WSC 02325 758 00200
   VCID: 1C3C63F1DF3554AF5B-8049

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels: 4F0-910-279.lbl
   Part No SW: 4F0 910 279 K    HW: 4F0 907 279 
   Component: ILM Fahrer      H18 0250  
   Revision: 00000000    Serial number: 4F0907279     
   Coding: 0012122
   Shop #: WSC 02335 758 00200
   VCID: 3162A245A8B7C9C718-8065

   Subsystem 1 - Part No: 4F1 910 113 C  Labels: 1KX-955-119.CLB
   Component: Wischer AudiC6  H05 0210  
   Coding: 00064784
   Shop #: WSC 02335  

   Subsystem 2 - Part No: 4E0 910 557 B  Labels: 8K0-955-559.CLB
   Component: REGENLICHTSENSORH13 0100  
   Coding: 00146221
   Shop #: WSC 02335  

No fault code found.

-------------------------------------------------------------------------------
Address 0E: Media Player 1        Labels: 4E0-910-111.lbl
   Part No SW: 4E0 910 110 C    HW: 4E0 035 110 A
   Component: MP3-Changer     H46 0350  
   Revision: 00046006    Serial number: AUZ5ZBG3462549
   Shop #: WSC 00000 000 00000
   VCID: 18347FE12B0D388F7F-804D

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 4F0-910-655-8R.clb
   Part No SW: 4F0 910 655 E    HW: 4F0 959 655 B
   Component: 42 AIRBAG AUDI8RH30 0280  
   Revision: 09H30000    Serial number: 0037LD0THNE+  
   Coding: 0013362
   Shop #: WSC 02325 758 00200
   VCID: 29524A258067B107D0-807D

   Subsystem 1 - Serial number: 6332CSME1A6A743EG

   Subsystem 2 - Serial number: 6342CSME16121571T

   Subsystem 3 - Serial number: 6352QSME3B0B3847O

   Subsystem 4 - Serial number: 6362QSME37784443I

   Subsystem 5 - Serial number: 63734SME38501A15Y

   Subsystem 6 - Serial number: 63834SME351B0C630

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 4F0-910-549.lbl
   Part No SW: 4F0 910 549 A    HW: 4F0 953 549 D
   Component: J0527               0410  
   Revision: 00H02000    Serial number: 90026072060157
   Coding: 0002042
   Shop #: WSC 02323 758 00200
   VCID: 27564C1D96738777C6-8073

   Subsystem 1 - Part No: XXXXXXXXXXX 
   Component: E0221           H02 0030

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 4F0-910-xxx-17.lbl
   Part No SW: 4F0 910 930 C    HW: 4F0 920 933 J
   Component: KOMBIINSTR. M73 H21 0240  
   Revision: 00700000    Serial number: 72U31FV87     
   Coding: 7209158
   Shop #: WSC 28268 001 1048576
   VCID: 234E580DE24B6B579A-8077

1 Fault Found:
00532 - Supply Voltage B+ 
            002 - Lower Limit Exceeded - Intermittent
             Freeze Frame:
                    Fault Status: 00100010
                    Fault Priority: 4
                    Fault Frequency: 1
                    Reset counter: 84
                    Mileage: 317208 km
                    Time Indication: 0
                    Date: 2019.11.03
                    Time: 18:45:00


-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels:. 4L0-910-468.clb
   Part No SW: 4L0 910 468 A    HW: 4L0 907 468 B
   Component: J533__Gateway   H06 0060  
   Revision: 00H06000    Serial number: 1100B0773180FC
   Coding: F751BE7F30020600
   Shop #: WSC 02334 758 00200
   VCID: 2D5ABE35B48FAD273C-8079

No fault code found.

-------------------------------------------------------------------------------
Address 34: Level Control        Labels: 4F0-910-553.clb
   Part No SW: 4F0 910 553 A    HW: 4F0 907 553 A
   Component: J197 LUFTFEDER  H17 0060  
   Serial number: 00619003690500
   Coding: 0000220
   Shop #: WSC 02335 758 00200
   VCID: 22405D09FD51625F91-8077

1 Fault Found:
01316 - ABS Control Module 
            013 - Check DTC Memory - Intermittent
             Freeze Frame:
                    Fault Status: 00101101
                    Fault Priority: 2
                    Fault Frequency: 7
                    Reset counter: 81
                    Mileage: 316755 km
                    Time Indication: 0
                    Date: 2019.11.01
                    Time: 16:14:57


-------------------------------------------------------------------------------
Address 42: Door Elect, Driver        Labels: 4F0-910-793-42.lbl
   Part No SW: 4F0 910 793 P    HW: 4F0 959 793 P
   Component: TSG FA          H12 0230  
   Revision: 00000000    Serial number: "ó
   Coding: 0003626
   Shop #: WSC 02327 758 00200
   VCID: 37769C5D46D317F756-8063

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 4F0-910-289.lbl
   Part No SW: 4F0 910 289 K    HW: 4F0 907 289 K
   Component: Komfortgeraet   H25 0200  
   Revision: 02000025    Serial number: 01058729180000
   Coding: 3351281
   Shop #: WSC 02335 758 00200
   VCID: 3260AD49ADB1F2DF61-8067

   Subsystem 1 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HORN H03 1301

   Subsystem 2 - Part No: 4F0 910 177 
   Component: Innenraumueberw.H01 0020

1 Fault Found:
01505 - Bulb for Blinkers; Rear Right (M8) 
            009 - Open or Short to Ground
             Freeze Frame:
                    Fault Status: 01101001
                    Fault Priority: 3
                    Fault Frequency: 254
                    Reset counter: 44
                    Mileage: 313510 km
                    Time Indication: 0
                    Date: 2019.07.30
                    Time: 16:03:31


-------------------------------------------------------------------------------
Address 47: Sound System (J525)       Labels: Redir Fail!
   Part No SW: 4F0 910 223 K    HW: 4F0 035 223 L
   Component: Amp.-ASK-RD   H07 0250  
   Revision: S0900000    
   Coding: 080001
   Shop #: WSC 02399 823 56573
   VCID: 2648411951799E7FFD-8073

No fault code found.

-------------------------------------------------------------------------------
Address 4F: Centr. Electr. II        Labels: 4F0-910-280.lbl
   Part No SW: 4F0 910 280     HW: 4F0 907 280 A
   Component: ILM Beifahrer   H12 0100  
   Revision:             Serial number: 00000000470735
   Coding: 0001103
   Shop #: WSC 02323 758 00200
   VCID: 5EB829F989A906BFF5-800B

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass.        Labels: 4F0-910-793-52.lbl
   Part No SW: 4F0 910 793 P    HW: 4F0 959 792 P
   Component: TSG BF          H12 0230  
   Revision: 00000000    Serial number: 6
   Coding: 0003626
   Shop #: WSC 02327 758 00200
   VCID: 37769C5D46D317F756-8063

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake        Labels: 4F0-910-801.clb
   Part No SW: 4F0 910 801 C    HW: 4F0 907 801 A
   Component: EPB  CDEC0080   H04 0080  
   Revision: --H04---    
   Coding: 0000321
   Shop #: WSC 02324 758 00200
   VCID: 20445701F35D704F87-8075

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 8P0-907-357.lbl
   Part No: 8P0 907 357 H
   Component: Dynamische LWR  H01 0010  
   Revision: 00000001    Serial number:               
   Coding: 0000004
   Shop #: WSC 02325 758 00200
   VCID: 3F86F47D6EE32FB79E-806B

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 4E0-910-541.lbl
   Part No SW: 4E0 910 541 Q    HW: 4F0 035 541 L
   Component: TUNER EU/US/RDW H42 0620  
   Revision: 00000000    Serial number: 384K/067624809
   Coding: 0000001
   Shop #: WSC 40995 222 98481
   VCID: 2E58B939B989D63F05-807B

No fault code found.

-------------------------------------------------------------------------------
Address 61: Battery Regul.        Labels: 4F0-910-181.lbl
   Part No SW: 4F0 910 181 F    HW: 4F0 915 181 B
   Component: J0644 BEM       H12 0760  
   Revision: 00000000    Serial number: 00000000013281
   Shop #: WSC 40567 222 87330
   VCID: 244C5B11E7456C6FE3-8071

   Subsystem 1 - Part No: 4F0 915 105 D
   Component: von VA0  2708021438       
   Coding: 344630393135313035442056413032373038303231343338
   Shop #: WSC 00000 384 00290

2 Faults Found:
02272 - Quiescent Current Stage 1 
            000 - - - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 7
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 317212 km
                    Time Indication: 0
                    Date: 2019.11.03
                    Time: 19:11:59

02273 - Quiescent Current Stage 2 
            000 - - - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 7
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 317212 km
                    Time Indication: 0
                    Date: 2019.11.03
                    Time: 20:17:10


-------------------------------------------------------------------------------
Address 62: Door, Rear Left        Labels: 4F0-910-795.lbl
   Part No SW: 4F0 910 795 E    HW: 4F0 959 795 E
   Component: TSG HL          H21 0210  
   Coding: 0003114
   Shop #: WSC 02327 758 00200
   VCID: 2E58B939B989D63F05-807B

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:. 4F0-907-383.clb
   Part No SW: 4F0 907 383 C    HW: 4F0 907 383 C
   Component: Anhaenger     H14 0080  
   Revision: 2B002001    Serial number: 00000106002078
   Coding: 0103030000000000
   Shop #: WSC 02399 823 56573
   VCID: 2B5EB02D4A9BA31722-807F

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect.        Labels: Redir Fail!
   Part No SW: 4F9 910 591     HW: 4F9 827 851 F
   Component: ValeoHeckdeckel H24 0290  
   Revision: --H24001    Serial number: E5030000B     
   Shop #: WSC 98765 666 38354
   VCID: 6CDC73314F15642F6B-8039

   Subsystem 1 - Part No: 4F9 910 592 
   Component: ValeoHeckdeckel H24 0290

   Subsystem 2 - Serial number: E5030100B     

   Subsystem 3 - Serial number: RD03.08.07--H24001001B0086ˇ

   Subsystem 4 - Serial number: 1B0086ˇ

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right        Labels: 4F0-910-795.lbl
   Part No SW: 4F0 910 795 E    HW: 4F0 959 794 E
   Component: TSG HR          H21 0210  
   Coding: 0003114
   Shop #: WSC 02327 758 00200
   VCID: 2E58B939B989D63F05-807B

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist        Labels: 4Fx-910-283.lbl
   Part No SW: 4F0 910 283 H    HW: 4F0 919 283 H
   Component: Parkhilfe 8-Kan H12 0080  
   Revision: 00H12000    Serial number: 06330722501766
   Coding: 0211416
   Shop #: WSC 131071 1023 2097151
   VCID: 29524A258067B107D0-807D

No fault code found.

End-------------------------(Elapsed Time: 03:25)--------------------------
 
Last edited by a moderator:
   #2  

MartinsX

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VCDS Serial number
C?ID=268515
First of all post an full UNEDITED autoscan
Second - watch/log fuel pressure in the rail while cranking.
 
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   #3  

Uwe

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   #4  

MartinsX

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His scan is close enough to complete for me to be OK with it. :)

-Uwe-
If scan is accepted by You, I have couple more suggestions for OP ;)
 
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   #5  

Gremling

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Hi, solved problem yet?

Have you checked wiring to "Fuel pressure regulating valve N276" and also "Fuel pressure sender G247", both situated on common rail, also the wiring to fuel HP pump.
Use the VCDS, and monitor pressure, or more preferably attach a pressure gauge to the manifold (special fitting/adapter and suitable hose, please use equipment of sufficient pressure rating and correct threads, also be aware of the high pressure accumulated in the common rail, even after engine has stopped. This must not be underestimated, as serious injury and damage may likely occur, if not dealt with correctly.
I suggest reading the Audi SelfStudyProgram 350, page 24 "Common Rail Fuel Injection System", this will give a better understanding of system, as well as sensors and their position. Although one should always use maintenance manual for repair/servicing.
2nd thing, it seems like you might have a battery or regulator problem, might just be use of VCDS and scanning car without having a charger connected, but if you have issues with battery it would be worth checking battery condition as well as charging.
Would be interesting to know how hard/severely the bump was.

Regards
Gremling
 
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