2010 Audi Q7 4.2L - TPMS screams, then ESP, then Transmission is unhappy

   #1  

webchimp

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VCDS Serial number
C?ID=491083
Hi all.

I have a 2010 Audi q7 4.2L with an annoying gremlin (or gremlins)...

I've been battling some codes for a while now, and figured it was time to ask for help. The Q7 has been intermittently throwing codes for several months now. Initially just TPMS, but after scanning, tinkering, clearing, running some more, Now it's almost always the case where TPMS pops up first, ESP and ABS quickly follow, and then there are occasionally Hill Hold fault messages. This is my wife's ride, so I don't always get to observe the conditions that set them off, but I have had them show up for me.

I had it to my local mechanic and the tech there did 3hrs worth of trouble-shooting, working on the assumption that this was primarily vacuum related. He cleaned and tested the MAF sensors - all looked good; he smoke tested vacuum hoses (said no leaks found). As a result of his run-down, he provided a list of parts that needed to be addressed (some maintenance items, some related to codes). Most notable were the breather hose/adapter and oil separator - these are the items that he suspected were leaking.
  • Coolant Temp Sensor [06A-919-501-A] - replaced
  • Valve Cover Gasket [R] [079-103-484-C] - replaced
  • Valve Cover Gasket [L] [079-103-483-T] - replaced
  • Oil Filter Housing Gasket [079-103-121-BE] - replaced
  • Oil Filter Housing Seal [N-909-597-01] - replaced
  • Oil Separator [079-103-464-D] - replaced
  • Breather Hose/Adapter [079-133-424-T] - replaced
  • Thermostat Unit [079-121-115-BK] - have the part, have not replaced; temp stays perfect, so just haven't done it yet.
Finally I thought I had a good diagnosis, and so I set out to complete the work. In the process I discovered that the intake to throttle body connection was slightly off, and the clamp was completely loose (could spin it around). There were also a couple of other tiny vacuum lines that I thought looked a little suspect, so I replaced with new vacuum hosing. While I was doing this work I also changed pads and rotors all around, so I replaced all four ABS/wheel speed/TPMS sensors while I was at it. Other items that I looked into:
  • I removed and tested the brake booster vacuum pump; spun immediately (tested spinning both ways)
  • Checked brake booster vacuum lines for anything suspicious
  • Replaced air filters
  • Double checked for clean MAF sensors
After I completed this work the Q7 ran fine for a few weeks - no codes. But as of a few days ago the same codes are beginning to fire off repeatedly. I explicitly cleared everything today and ran it again until faults appeared, just so I could get a concise log from VCDS.

Any additional input would be greatly appreciated at this point!! I've spent a lot of time and money to address what appeared to be the issues, but unfortunately I'm back to sqaure one.

The latest log is as follows:


Code:
Saturday,08,January,2022,19:37:39:18824
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 21.9.0.2 (x64)  HEX-V2 CB: 0.4555.4
Data version: 20210903 DS330.0
www.Ross-Tech.com

Dealer/Shop Name: MyAutomotive

VIN: WA1DVBFE1AD005133   License Plate: KCHXXX
Mileage: 181180km-112580mi   Repair Order: 1-8-22__FaultsAreBack



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


Chassis Type: FE (4F0)
Scan: 01 02 03 05 08 09 0E 15 16 17 19 28 36 3C 42 46 47 4C 4F 52
          55 56 5F 62 69 6C 6D 6F 72 76

VIN: WA1DVBFE1AD005133   Mileage: 181180km-112580miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: Malfunction 0010
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- 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: OK 0000
19-CAN Gateway -- Status: OK 0000
28-HVAC, Rear -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
3C-Lane Change -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: OK 0000
4C-Tire Pressure II -- Status: Malfunction 0010
4F-Centr. Electr. II -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
69-Trailer -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
6F-Centr. Conv. II -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (BAR)       Labels:. 079-907-560-BAR.clb
   Part No SW: 4L0 910 560 Q    HW: 4L0 907 560 B
   Component: 4.2l V8/4V          0030 
   Revision: 78H03---    Serial number:               
   Coding: 0121000A190F0960
   Shop #: WSC 31414 790 00001
   VCID: 36352EC32443E53B4DD-8062
   VINID: 9D10549925950515000050430CAE36F9B5

5 Faults Found:
001431 - Thermostat for Mapped Engine Cooling (F265)
               P0597 - 004 - Open Circuit
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181146 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 15:53:16

             Freeze Frame:
                    RPM: 169 /min
                    Load: 84.7 %
                    Speed: 0.0 km/h
                    Temperature: 12.0°C
                    Temperature: 20.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 10.668 V

005241 - Brake Boost Vacuum System
               P1479 - 008 - Mechanical Failure
             Freeze Frame:
                    Fault Status: 01101000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181147 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 16:21:14

             Freeze Frame:
                    RPM: 1427 /min
                    Load: 67.4 %
                    Speed: 28.0 km/h
                    Temperature: 73.0°C
                    Temperature: 27.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.478 V

004105 - Mass Air Flow Sensor 1/2
               P1009 - 004 - Implausible Signal from Load Calculation
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181175 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 18:23:45

             Freeze Frame:
                    RPM: 1616 /min
                    Load: 23.1 %
                    Speed: 73.0 km/h
                    Temperature: 73.0°C
                    Temperature: -8.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.605 V

000257 - Mass Air Flow Sensor (G70)
               P0101 - 004 - Implausible Signal
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181176 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 18:24:48

             Freeze Frame:
                    RPM: 1549 /min
                    Load: 67.8 %
                    Speed: 70.0 km/h
                    Temperature: 74.0°C
                    Temperature: -7.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.478 V

000267 - Mass Air Flow Sensor (G246)
               P010B - 004 - Implausible Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00100100
                    Fault Priority: 2
                    Fault Frequency: 6
                    Reset counter: 255
                    Mileage: 181176 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 18:24:49

             Freeze Frame:
                    RPM: 2304 /min
                    Load: 74.5 %
                    Speed: 73.0 km/h
                    Temperature: 74.0°C
                    Temperature: -8.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.478 V

Readiness: 0000 1100

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 09D-927-750.clb
   Part No SW: 09D 927 750 LK    HW: 09D 927 750 LK
   Component: AL 750 6A           1578 
   Revision: 00H78000    Serial number:               
   Coding: 0001016
   Shop #: WSC 31414 790 00001
   VCID: 025D8213380B899BB15-8056

1 Fault Found:
01314 - Engine Control Module
            013 - Check DTC Memory
             Freeze Frame:
                    Fault Status: 00100100
                    Fault Priority: 2
                    Fault Frequency: 5
                    Reset counter: 0
                    Mileage: 0 km
                    Time Indication: 0


-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels:. 4L0-910-517-V2.clb
   Part No SW: 4L0 910 517 K    HW: 4L0 614 517 K
   Component: ESP ALLRAD MK25E1   0020 
   Revision: 00H30001   
   Coding: 0082993
   Shop #: WSC 31414 790 00001
   VCID: 323D12D3C82BF91B615-8066

1 Fault Found:
01314 - Engine Control Module
            013 - Check DTC Memory
             Freeze Frame:
                    Fault Status: 01101101
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 124
                    Mileage: 181175 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 18:23:46

             Freeze Frame:
                    Count: 18944
                    Count: 8193
                    Count: 8196
                    Count: 52480


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth.        Labels:. 4F0-910-852.clb
   Part No SW: 4F0 910 852 B    HW: 4F0 905 852 D
   Component: FBSAUDIC6 ELV   H05 0100 
   Revision: 00H05000    Serial number: 10602601411120
   Coding: 0000135
   Shop #: WSC 31414 790 00001
   VCID: 2517F98F89E59EA3F47-8070

   Subsystem 1 - Part No: 4F0 910 132 L
   Component: FBSAUDIC6 EZS   H03 0020

   Subsystem 2 - Part No: 4F0 910 335 B
   Component: FBSAUDIC6 KSG   H03 0020

2 Faults Found:
00191 - Passenger's Door Handle Touch Sensor (G416)
            007 - Short to Ground
             Freeze Frame:
                    Fault Status: 01110111
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 124
                    Mileage: 181157 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 16:46:19

00193 - Rear Right Door Handle Touch Sensor (G418)
            007 - Short to Ground
             Freeze Frame:
                    Fault Status: 01110111
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 124
                    Mileage: 181157 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 16:46:19


-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels: None
   Part No SW: 4L0 910 043 C    HW: 4L0 820 043 AC
   Component: KLIMA 4 ZONEN H12 0030 
   Revision: 00---017    Serial number: 00000000220842
   Coding: 0C0028
   Shop #: WSC 31414 790 00001
   VCID: 2411E48B8EDF67ABE39-8070

   Subsystem 1 - Part No SW: 8K0 959 772 A    HW: 8K0 959 772
   Component: SLR-B8  H05 0003
   Serial number:           1100077197
   Coding: 070000

   Subsystem 2 - Part No SW: 8K0 959 772 A    HW: 8K0 959 772
   Component: SLR-B8  H05 0003
   Serial number:           1100077346
   Coding: 070000

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels: 4F0-910-279.lbl
   Part No SW: 4F0 910 279 AG    HW: 4F0 907 279 C
   Component: ILM Fahrer      H31 0400 
   Revision: 00000000    Serial number: 4F0907279     
   Coding: 0133123
   Shop #: WSC 44082 001 1048576
   VCID: 6E85C6A31C939DFB45D-803A

   Subsystem 1 - Part No: 4L1 910 113   Labels: 1KX-955-119.CLB
   Component: Wischer AU716   H17 0100 
   Coding: 00064792
   Shop #: WSC 44082 

   Subsystem 2 - Part No: 8K0 910 557   Labels: 8K0-955-559.CLB
   Component: REGENLICHTSENSORH04 0003 
   Coding: 00150059
   Shop #: WSC 44082 

No fault code found.

-------------------------------------------------------------------------------
Address 0E: Media Player 1 (R41)       Labels: 4E0-910-111.lbl
   Part No SW: 4F0 035 110 A    HW: 4F0 035 110
   Component: CDC-MP3-Alp   H44 0140 
   Revision: AA001001   
   VCID: 1577C94F55850E23647-8040

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 4L0-910-655.lbl
   Part No SW: 4L0 910 655 A    HW: 4L0 959 655 B
   Component: 72 AIRBAG AUDI8RH43 0230 
   Revision: 07H43000    Serial number: 0038QD09C6A1 
   Coding: 0014130
   Shop #: WSC 31414 790 00001
   VCID: 2B030FB7EF01A8D3223-807E

   Subsystem 1 - Part No: 4L0 910 339 A
   Component: BF-Gewichtsens. H03 0030

   Subsystem 2 - Serial number: 6332QSME77460A3EQ

   Subsystem 3 - Serial number: 6342QSME15471F28J

   Subsystem 4 - Serial number: 6352QSME19484A28N

   Subsystem 5 - Serial number: 6362QSME1C481E3CX

   Subsystem 6 - Serial number: 63734SME59134B7A8

   Subsystem 7 - Serial number: 63834SME1B6D4C56H

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 4F0-910-549.lbl
   Part No SW: 4F0 910 549 A    HW: 4F0 953 549 C
   Component: J0527               0530 
   Revision: 00H06000    Serial number: 90025093290262
   Coding: 0012242
   Shop #: WSC 31414 790 00001
   VCID: 270BF387F3E98CB3C6B-8072

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

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:. 4L0-920-xxx-17.clb
   Part No SW: 4L0 920 982 M    HW: 4L0 920 982 M
   Component: KOMBIINSTR.   H08 0147 
   Revision: 00000000    Serial number: DKW43WHD9     
   Coding: 8BD663040100CF05020201
   Shop #: WSC 31414 790 00001
   VCID: 3B233FF713613853B23-806E

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 4F0-907-468.clb
   Part No SW: 4F0 907 468 N    HW: 4F0 907 468 G
   Component: GW-BEM 5CAN-M H06 0035 
   Revision: MB200030    Serial number: 3000M09C128221
   Coding: 000303
   Shop #: WSC 31414 790 00001
   VCID: 3A2D3AF31C5B015BA95-806E

   Subsystem 1 - Part No SW: 8K0 915 181 D    HW: 8K0 915 181 D
   Component: J367-BDM  H07 0125
   Serial number: 00000000002790100616

No fault code found.

-------------------------------------------------------------------------------
Address 28: HVAC, Rear        Labels: None
   Part No SW: 4L0 910 158     HW: 4L0 919 158 AB
   Component: KLIMABETAETIGUNGH06 0060 
   Revision: 00---010    Serial number: 00000030138498
   Coding: 0000006
   Shop #: WSC 31414 790 00001
   VCID: 6889B0BB3E7743CB0F1-803C

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J136)       Labels: None
   Part No SW: 4F0 959 760 C    HW: 4F0 959 760 C
   Component: MEM-FS        H08 0062 
   Revision: AA000000    Serial number: 00001001378418
   Coding: 00581B00000011110000
   Shop #: WSC 31414 790 00001
   VCID: 313F1DDFC12DC20318F-8064

No fault code found.

-------------------------------------------------------------------------------
Address 3C: Lane Change        Labels: None
   Part No SW: 4L0 910 566 C    HW: 4L0 907 566 B
   Component: J0769_SWA_MasterH01 0040 
   Revision: 00H01000    Serial number: 6PZ 009 014-10
   Coding: 0010001
   Shop #: WSC 31414 790 00001
   VCID: 2E0506A3DC13DDFB05D-807A

   Subsystem 1 - Part No: 4L0 910 568 C
   Component: J0770_SWA_Slave_H02 0050

   Subsystem 2 - Serial number: 6PZ 009 014-30

   Subsystem 3 - Serial number: 5F06.01.1300H02000AMS14217ÿ

   Subsystem 4 - Serial number: S14217ÿ

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 4F0-959-793.clb
   Part No SW: 4F0 959 793 R    HW: 8K0 959 793 D
   Component: TSG FA        H11 0250 
   Revision:             Serial number: 0000102495643
   Coding: 011F57205E40440004
   Shop #: WSC 31414 790 00001
   VCID: 46D55E0358A375BBDDD-8012

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 4L0-910-289.lbl
   Part No SW: 4L0 910 289 H    HW: 4L0 907 289 H
   Component: Komfortgeraet   H09 0100 
   Revision: 0100 ---    Serial number: 01252386460000
   Coding: 3569693
   Shop #: WSC 31414 790 00001
   VCID: 353729CF3945EE23447-8060

   Subsystem 1 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HORN H05 1501

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System (J525)       Labels: None
   Part No SW: 4L0 035 466 A    HW: 4L0 035 466 A
   Component: BO Q7         H30 0110 
   Revision: 05S00000    Serial number: 00211090003800
   Coding: 05000001
   Shop #: WSC 31414 790 00001
   VCID: 290FF5BFE9FDBAC3D0F-807C

   Subsystem 1 - Part No SW: 4L0 910 465 A    HW: 4L0 035 465
   Component: BO Q7 SLAVE  H41 0780
   Serial number: 01211090002995     

No fault code found.

-------------------------------------------------------------------------------
Address 4C: Tire Pressure II        Labels: 4F0-910-274.clb
   Part No SW: 4F0 910 274 B    HW: 4F0 907 274
   Component: J793  RKA+      H02 0110 
   Revision: 00000506    Serial number: 00005061087933
   Coding: 0700109
   Shop #: WSC 62749 001 1048576
   VCID: 2313E79787D160939A3-8076

1 Fault Found:
01316 - ABS Control Module
            013 - Check DTC Memory - MIL ON
             Freeze Frame:
                    Fault Status: 11101101
                    Fault Priority: 3
                    Fault Frequency: 3
                    Reset counter: 124
                    Mileage: 181175 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 18:23:49

             Freeze Frame:
                    Hex Value: 0x0000
                    Hex Value: 0x0000
                    Hex Value: 0x0007
                    Voltage: 14.40 V
                    Temperature: -15.0°C
                    (no units): 74.0


-------------------------------------------------------------------------------
Address 4F: Centr. Electr. II        Labels: 4F0-910-280.lbl
   Part No SW: 4F0 910 280     HW: 4F0 907 280 D
   Component: ILM Beifahrer   H13 0100 
   Revision:             Serial number: 00000000060543
   Coding: 0012001
   Shop #: WSC 31414 790 00001
   VCID: 5EE59663EC330D7BF5D-800A

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 4F0-959-792.clb
   Part No SW: 4F0 959 792 R    HW: 8K0 959 792 D
   Component: TSG BF        H11 0250 
   Revision:             Serial number: 0000102545459
   Coding: 011F57205E40440004
   Shop #: WSC 31414 790 00001
   VCID: 45D7590F65A57EA3D47-8010

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 8P0-907-357.lbl
   Part No: 8P0 907 357 H
   Component: Dynamische LWR  H02 0010 
   Revision: 00000001    Serial number:               
   Coding: 0000007
   Shop #: WSC 31414 790 00001
   VCID: 3FDB4BE70B7924739EB-806A

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (R)       Labels:. 4F0-035-0xx-56.clb
   Part No SW: 4F0 035 082 A    HW: 4F0 035 082
   Component: Radio U SIRIU H45 0021 
   Revision: AB001007    Serial number: 335L+097544635
   Coding: 020000010000000000
   Shop #: WSC 31414 790 00001
   VCID: 1D67D16FADB55663AC7-8048

1 Fault Found:
02788 - Internal Communications Error
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 7
                    Fault Frequency: 1
                    Reset counter: 123
                    Mileage: 181146 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 15:53:20

             Freeze Frame:
                    Bin. Bits: 00000001


-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
   Part No SW: 4L0 035 664 B    HW: 4L0 035 664 A
   Component: H-BN-NA       H49 0116 
   Revision: --------    Serial number: 489IC0A7539385
   Coding: 010200060004E1EF51002305EF6300030000
   Shop #: WSC 23597 444 999999
   VCID: 2A0D0AB3ECFBB1DBD95-807E

   Subsystem 1 - Part No: 8R0 060 884 P
   Component: NAR 2010  0407

   Subsystem 2 - Part No SW: 4F0 919 604     HW: 4F0 919 604
   Component: DU7 High  H43 0306
   Serial number: 9356LY091157145     

   Subsystem 3 - Part No SW: 4L0 910 609     HW: 4L0 919 611 C
   Component: E0380 Bedient  H05 0060
   Serial number: 00000001476868     

   Subsystem 4 - Part No: 8R0 060 961
   Component: CD-Database  1886

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels:. 4F0-959-795.clb
   Part No SW: 4F0 959 795 M    HW: 8K0 959 795 B
   Component: TSG HL        H10 0251 
   Revision:             Serial number: 0000102504091
   Coding: 010E57204040230004
   Shop #: WSC 31414 790 00001
   VCID: 43D347176B914093FA3-8016

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:. 4E0-907-383.clb
   Part No SW: 4E0 907 383 J    HW: 4E0 907 383 J
   Component: Anhaenger     H08 0070 
   Revision: 2A001001    Serial number: 00000124877562
   Coding: 0200000000000000
   Shop #: WSC 31414 790 00001
   VCID: 313F1DDFC12DC20318F-8064

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam.        Labels: 4L0-910-441.clb
   Part No SW: 4L0 910 441 B    HW: 4L0 907 441 B
   Component: J772__Rearview      0030 
   Revision: --H03---    Serial number: 525PA8-J9Z405M
   Coding: 1021201
   Shop #: WSC 31414 790 00001
   VCID: 2517F98F89E59EA3F47-8070

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect.        Labels: 4L0-910-945.clb
   Part No SW: 4L0 910 945     HW: 4L0 827 851 D
   Component: ValeoHeckdeckel H29 0410 
   Revision: --H29001    Serial number: 8K9827852  B 
   Shop #: WSC 98765 666 38354
   VCID: 6C81CCAB2A8F6FEB6B9-8038

   Subsystem 1 - Part No: 4L0 910 946
   Component: ValeoHeckdeckel H29 0410

   Subsystem 2 - Serial number: E5030100B     

   Subsystem 3 - Serial number: RD16.12.09--H29001001B0311ÿ

   Subsystem 4 - Serial number: 1B0311ÿ

No fault code found.

-------------------------------------------------------------------------------
Address 6F: Centr. Conv. II        Labels:. 4L0-910-290.lbl
   Part No SW: 4L0 910 290 A    HW: 4L0 907 290 A
   Component: ILM HINTEN 2    H05 0060 
   Revision: AAH05061    Serial number: 003891262-----
   Coding: 0003595
   Shop #: WSC 31414 790 00001
   VCID: 2615FE83F4E395BBFDD-8072

   Subsystem 1 - Part No: 4L0 910 591
   Component: J_245_EE16_SKB09H10 0200

   Subsystem 2 - Part No: 4L0 910 591
   Component: J_394_EE16_SKB09H10 0200

   Subsystem 3 - Part No: 4L0 910 591
   Component: J_392_EE16_SKB09H10 0200

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels:. 4F0-959-795.clb
   Part No SW: 4F0 959 795 M    HW: 8K0 959 795 B
   Component: TSG HR        H10 0251 
   Revision:             Serial number: 0000102503704
   Coding: 010E57204040230004
   Shop #: WSC 31414 790 00001
   VCID: 43D347176B914093FA3-8016

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist        Labels: 4Fx-910-283.lbl
   Part No SW: 4L0 910 283 E    HW: 4L0 919 283 E
   Component: Parkhilfe 8-Kan H02 0100 
   Revision: 00H02000    Serial number: 85130928304470
   Coding: 0231366
   Shop #: WSC 51422 000 1048576
   VCID: 2C010CABEA0FAFEB2B9-8078

No fault code found.

End----------(Elapsed Time: 02:14, VBatt start/end: 12.1V/12.1V)-----------
 
   #2  

JMR

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I would think that your brake booster pump is taking a crap by not producing enough pressure. Then..it will affect the intake pressure and that will throw off the readings of the MAF s. The map cooling thermostat might have a broke wire/ bad contact / bad part. And while all this is happening , the abs is just pointing it s finger to the ecu . So you have 2 distinct problems there : the mafs and brake booster are because of one cause while the thermostat is by itself.
 
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   #3  

webchimp

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JMR,
Thanks for chiming in. So I have to ask, since I simply don't know... would failure of the pump typically happen intermittently? And if so, would the code appear immediately, or wait just a bit?

I ask because the appearance of the code (TPMS first) came on while coasting downhill, and I hadn't braked in probably over a minute. And I was under the impression that the brake boost vacuum pump only assisted during braking (or heavy braking). But does it maintain function at some level to keep proper vacuum pressure?

Thanks for the input.
 
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JMR

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JMR,
Thanks for chiming in. So I have to ask, since I simply don't know... would failure of the pump typically happen intermittently? And if so, would the code appear immediately, or wait just a bit?

I ask because the appearance of the code (TPMS first) came on while coasting downhill, and I hadn't braked in probably over a minute. And I was under the impression that the brake boost vacuum pump only assisted during braking (or heavy braking). But does it maintain function at some level to keep proper vacuum pressure?

Thanks for the input.
Yeah it has to keep the pressure constantly AFAIK . The tpms is invalidated because the abs in in error i think. The error does refer to a mechanical failure too.
For example many times there is a pressure loss right where the hose comes out otlf the brake booster thing , try and move /twist that hose a bit...where it goes into gallery also see if it hisses loudly ( with the engine running ). Also , i would wait a bit until some colleagues of ours give their input..see if they are agreeing with my suspicions and opinion
 
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webchimp

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Thanks for the input on this, folks. Based on this small consensus, and the fact that the Benevolent Dictator has liked your comments, in going to go ahead and get a new brake booster vacuum pump ordered. I'll swap that out and report back.

I typically use a handful of sources for orders, but anyone have suggestions for economical options?

Thanks!
 
   #7  

Uwe

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and the fact that the Benevolent Dictator has liked your comments,
I liked them because I think they're a plausible source of the problem that bears investigating. That doesn't mean I'm certain they're correct. ;)

-Uwe-
 
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webchimp

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Uwe,
No worries - totally tongue in cheek.:p
I don't expect any definitive resolution, just general direction. Even though I've tested the pump, and the tech texted the pump, it does sound very plausible that it's failing (or falling below acceptable thresholds) intermittently.

Thanks!
 
   #9  

webchimp

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Just a quick update to follow-up on this issue...

I did place an order for the brake booster vacuum pump and received it about a week later (a week ago from today). I replaced the pump, which was literally a 5 minute swap - very easy. The Q7 ran without issue until yesterday, when it once again started throwing the same codes at me... but without the pump's 'mechanical failure' code.

This log was taken last night before I cleared anything, and it shows other prior codes - to focus on the issues at hand now, please refer to anything that is date stamped: Date: 2022.01.19. I have cleared all codes once again and I'm continuing to observe it moving forward. The next log should only contain relevant codes.

As mentioned before, the shop 'cleaned and tested the MAF sensors,' but I suppose that there could be more to deal with there. What I'm not understanding is why they both pop up at the same time - seems like it's still an upstream issue.

Any additional input appreciated!

Code:
Wednesday,19,January,2022,21:16:50:18824
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 21.9.0.2 (x64)  HEX-V2 CB: 0.4555.4
Data version: 20210903 DS330.0
www.Ross-Tech.com

Dealer/Shop Name: MyAutomotive

VIN: WA1DVBFE1AD005133   License Plate: KCHXXX
Mileage: 181510km-112785mi   Repair Order: 1-19-22-Scan-faults



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


Chassis Type: FE (4F0)
Scan: 01 02 03 05 08 09 0E 15 16 17 19 28 36 3C 42 46 47 4C 4F 52
          55 56 5F 62 69 6C 6D 6F 72 76

VIN: WA1DVBFE1AD005133   Mileage: 181510km-112785miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: Malfunction 0010
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- 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: OK 0000
19-CAN Gateway -- Status: OK 0000
28-HVAC, Rear -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
3C-Lane Change -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: Malfunction 0010
4C-Tire Pressure II -- Status: Malfunction 0010
4F-Centr. Electr. II -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
69-Trailer -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
6F-Centr. Conv. II -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (BAR)       Labels:. 079-907-560-BAR.clb
   Part No SW: 4L0 910 560 Q    HW: 4L0 907 560 B
   Component: 4.2l V8/4V          0030 
   Revision: 78H03---    Serial number:               
   Coding: 0121000A190F0960
   Shop #: WSC 31414 790 00001
   VCID: 36352EC32443E53B4DD-8062
   VINID: 9D10549925950515000050430CAE36F9B5

5 Faults Found:
001431 - Thermostat for Mapped Engine Cooling (F265)
               P0597 - 004 - Open Circuit
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181181 km
                    Time Indication: 0
                    Date: 2022.01.09
                    Time: 11:39:38

             Freeze Frame:
                    RPM: 159 /min
                    Load: 85.5 %
                    Speed: 0.0 km/h
                    Temperature: 14.0°C
                    Temperature: 17.0°C
                    Absolute Pres.: 980.0 mbar
                    Voltage: 10.541 V

005241 - Brake Boost Vacuum System
               P1479 - 008 - Mechanical Failure
             Freeze Frame:
                    Fault Status: 01101000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181182 km
                    Time Indication: 0
                    Date: 2022.01.09
                    Time: 11:40:41

             Freeze Frame:
                    RPM: 2065 /min
                    Load: 62.7 %
                    Speed: 32.0 km/h
                    Temperature: 26.0°C
                    Temperature: 11.0°C
                    Absolute Pres.: 980.0 mbar
                    Voltage: 13.843 V

004105 - Mass Air Flow Sensor 1/2
               P1009 - 004 - Implausible Signal from Load Calculation - Intermittent - MIL ON
             Freeze Frame:
                    Fault Status: 10100100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181502 km
                    Time Indication: 0
                    Date: 2022.01.19
                    Time: 20:45:34

             Freeze Frame:
                    RPM: 1836 /min
                    Load: 16.9 %
                    Speed: 67.0 km/h
                    Temperature: 75.0°C
                    Temperature: 15.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.224 V

000257 - Mass Air Flow Sensor (G70)
               P0101 - 004 - Implausible Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00100100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181505 km
                    Time Indication: 0
                    Date: 2022.01.19
                    Time: 20:58:11

             Freeze Frame:
                    RPM: 1965 /min
                    Load: 52.5 %
                    Speed: 46.0 km/h
                    Temperature: 75.0°C
                    Temperature: 18.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.605 V

000267 - Mass Air Flow Sensor (G246)
               P010B - 004 - Implausible Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00100100
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 181505 km
                    Time Indication: 0
                    Date: 2022.01.19
                    Time: 20:58:14

             Freeze Frame:
                    RPM: 2147 /min
                    Load: 52.5 %
                    Speed: 53.0 km/h
                    Temperature: 75.0°C
                    Temperature: 17.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.605 V

Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 09D-927-750.clb
   Part No SW: 09D 927 750 LK    HW: 09D 927 750 LK
   Component: AL 750 6A           1578 
   Revision: 00H78000    Serial number:               
   Coding: 0001016
   Shop #: WSC 31414 790 00001
   VCID: 025D8213380B899BB15-8056

1 Fault Found:
01314 - Engine Control Module
            013 - Check DTC Memory - Intermittent
             Freeze Frame:
                    Fault Status: 00100100
                    Fault Priority: 2
                    Fault Frequency: 5
                    Reset counter: 0
                    Mileage: 0 km
                    Time Indication: 0


-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels:. 4L0-910-517-V2.clb
   Part No SW: 4L0 910 517 K    HW: 4L0 614 517 K
   Component: ESP ALLRAD MK25E1   0020 
   Revision: 00H30001   
   Coding: 0082993
   Shop #: WSC 31414 790 00001
   VCID: 323D12D3C82BF91B615-8066

1 Fault Found:
01314 - Engine Control Module
            013 - Check DTC Memory - Intermittent
             Freeze Frame:
                    Fault Status: 00101101
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 138
                    Mileage: 181502 km
                    Time Indication: 0
                    Date: 2022.01.19
                    Time: 20:45:35

             Freeze Frame:
                    Count: 16896
                    Count: 8257
                    Count: 8193
                    Count: 51712


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth.        Labels:. 4F0-910-852.clb
   Part No SW: 4F0 910 852 B    HW: 4F0 905 852 D
   Component: FBSAUDIC6 ELV   H05 0100 
   Revision: 00H05000    Serial number: 10602601411120
   Coding: 0000135
   Shop #: WSC 31414 790 00001
   VCID: 2517F98F89E59EA3F47-8070

   Subsystem 1 - Part No: 4F0 910 132 L
   Component: FBSAUDIC6 EZS   H03 0020

   Subsystem 2 - Part No: 4F0 910 335 B
   Component: FBSAUDIC6 KSG   H03 0020

2 Faults Found:
00191 - Passenger's Door Handle Touch Sensor (G416)
            007 - Short to Ground
             Freeze Frame:
                    Fault Status: 01110111
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 124
                    Mileage: 181157 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 16:46:19

00193 - Rear Right Door Handle Touch Sensor (G418)
            007 - Short to Ground
             Freeze Frame:
                    Fault Status: 01110111
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 124
                    Mileage: 181157 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 16:46:19


-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels: None
   Part No SW: 4L0 910 043 C    HW: 4L0 820 043 AC
   Component: KLIMA 4 ZONEN H12 0030 
   Revision: 00---017    Serial number: 00000000220842
   Coding: 0C0028
   Shop #: WSC 31414 790 00001
   VCID: 2411E48B8EDF67ABE39-8070

   Subsystem 1 - Part No SW: 8K0 959 772 A    HW: 8K0 959 772
   Component: SLR-B8  H05 0003
   Serial number:           1100077197
   Coding: 070000

   Subsystem 2 - Part No SW: 8K0 959 772 A    HW: 8K0 959 772
   Component: SLR-B8  H05 0003
   Serial number:           1100077346
   Coding: 070000

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels: 4F0-910-279.lbl
   Part No SW: 4F0 910 279 AG    HW: 4F0 907 279 C
   Component: ILM Fahrer      H31 0400 
   Revision: 00000000    Serial number: 4F0907279     
   Coding: 0133123
   Shop #: WSC 44082 001 1048576
   VCID: 6E85C6A31C939DFB45D-803A

   Subsystem 1 - Part No: 4L1 910 113   Labels: 1KX-955-119.CLB
   Component: Wischer AU716   H17 0100 
   Coding: 00064792
   Shop #: WSC 44082 

   Subsystem 2 - Part No: 8K0 910 557   Labels: 8K0-955-559.CLB
   Component: REGENLICHTSENSORH04 0003 
   Coding: 00150059
   Shop #: WSC 44082 

No fault code found.

-------------------------------------------------------------------------------
Address 0E: Media Player 1 (R41)       Labels: 4E0-910-111.lbl
   Part No SW: 4F0 035 110 A    HW: 4F0 035 110
   Component: CDC-MP3-Alp   H44 0140 
   Revision: AA001001   
   VCID: 1577C94F55850E23647-8040

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 4L0-910-655.lbl
   Part No SW: 4L0 910 655 A    HW: 4L0 959 655 B
   Component: 72 AIRBAG AUDI8RH43 0230 
   Revision: 07H43000    Serial number: 0038QD09C6A1 
   Coding: 0014130
   Shop #: WSC 31414 790 00001
   VCID: 2B030FB7EF01A8D3223-807E

   Subsystem 1 - Part No: 4L0 910 339 A
   Component: BF-Gewichtsens. H03 0030

   Subsystem 2 - Serial number: 6332QSME77460A3EQ

   Subsystem 3 - Serial number: 6342QSME15471F28J

   Subsystem 4 - Serial number: 6352QSME19484A28N

   Subsystem 5 - Serial number: 6362QSME1C481E3CX

   Subsystem 6 - Serial number: 63734SME59134B7A8

   Subsystem 7 - Serial number: 63834SME1B6D4C56H

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 4F0-910-549.lbl
   Part No SW: 4F0 910 549 A    HW: 4F0 953 549 C
   Component: J0527               0530 
   Revision: 00H06000    Serial number: 90025093290262
   Coding: 0012242
   Shop #: WSC 31414 790 00001
   VCID: 270BF387F3E98CB3C6B-8072

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

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:. 4L0-920-xxx-17.clb
   Part No SW: 4L0 920 982 M    HW: 4L0 920 982 M
   Component: KOMBIINSTR.   H08 0147 
   Revision: 00000000    Serial number: DKW43WHD9     
   Coding: 8BD663040100CF05020201
   Shop #: WSC 31414 790 00001
   VCID: 3B233FF713613853B23-806E

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 4F0-907-468.clb
   Part No SW: 4F0 907 468 N    HW: 4F0 907 468 G
   Component: GW-BEM 5CAN-M H06 0035 
   Revision: MB200030    Serial number: 3000M09C128221
   Coding: 000303
   Shop #: WSC 31414 790 00001
   VCID: 3A2D3AF31C5B015BA95-806E

   Subsystem 1 - Part No SW: 8K0 915 181 D    HW: 8K0 915 181 D
   Component: J367-BDM  H07 0125
   Serial number: 00000000002790100616

No fault code found.

-------------------------------------------------------------------------------
Address 28: HVAC, Rear        Labels: None
   Part No SW: 4L0 910 158     HW: 4L0 919 158 AB
   Component: KLIMABETAETIGUNGH06 0060 
   Revision: 00---010    Serial number: 00000030138498
   Coding: 0000006
   Shop #: WSC 31414 790 00001
   VCID: 6889B0BB3E7743CB0F1-803C

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J136)       Labels: None
   Part No SW: 4F0 959 760 C    HW: 4F0 959 760 C
   Component: MEM-FS        H08 0062 
   Revision: AA000000    Serial number: 00001001378418
   Coding: 00581B00000011110000
   Shop #: WSC 31414 790 00001
   VCID: 313F1DDFC12DC20318F-8064

No fault code found.

-------------------------------------------------------------------------------
Address 3C: Lane Change        Labels: None
   Part No SW: 4L0 910 566 C    HW: 4L0 907 566 B
   Component: J0769_SWA_MasterH01 0040 
   Revision: 00H01000    Serial number: 6PZ 009 014-10
   Coding: 0010001
   Shop #: WSC 31414 790 00001
   VCID: 2E0506A3DC13DDFB05D-807A

   Subsystem 1 - Part No: 4L0 910 568 C
   Component: J0770_SWA_Slave_H02 0050

   Subsystem 2 - Serial number: 6PZ 009 014-30

   Subsystem 3 - Serial number: 5F06.01.1300H02000AMS14217ÿ

   Subsystem 4 - Serial number: S14217ÿ

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 4F0-959-793.clb
   Part No SW: 4F0 959 793 R    HW: 8K0 959 793 D
   Component: TSG FA        H11 0250 
   Revision:             Serial number: 0000102495643
   Coding: 011F57205E40440004
   Shop #: WSC 31414 790 00001
   VCID: 46D55E0358A375BBDDD-8012

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 4L0-910-289.lbl
   Part No SW: 4L0 910 289 H    HW: 4L0 907 289 H
   Component: Komfortgeraet   H09 0100 
   Revision: 0100 ---    Serial number: 01252386460000
   Coding: 3569693
   Shop #: WSC 31414 790 00001
   VCID: 353729CF3945EE23447-8060

   Subsystem 1 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HORN H05 1501

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System (J525)       Labels: None
   Part No SW: 4L0 035 466 A    HW: 4L0 035 466 A
   Component: BO Q7         H30 0110 
   Revision: 05S00000    Serial number: 00211090003800
   Coding: 05000001
   Shop #: WSC 31414 790 00001
   VCID: 290FF5BFE9FDBAC3D0F-807C

   Subsystem 1 - Part No SW: 4L0 910 465 A    HW: 4L0 035 465
   Component: BO Q7 SLAVE  H41 0780
   Serial number: 01211090002995     

1 Fault Found:
00870 - Bass Speaker Front Left (R21)
            011 - Open Circuit - Intermittent
             Freeze Frame:
                    Fault Status: 00101011
                    Fault Priority: 5
                    Fault Frequency: 6
                    Reset counter: 178
                    Time Indication: 0

             Freeze Frame:
                    Voltage: 12.50 V
                    Temperature: 13.0°C
                    Bin. Bits: 00000011
                    Voltage: 12.00 V
                    Temperature: 15.0°C
                    Bin. Bits: 00000000
                    Bin. Bits: 00000000


-------------------------------------------------------------------------------
Address 4C: Tire Pressure II        Labels: 4F0-910-274.clb
   Part No SW: 4F0 910 274 B    HW: 4F0 907 274
   Component: J793  RKA+      H02 0110 
   Revision: 00000506    Serial number: 00005061087933
   Coding: 0700109
   Shop #: WSC 62749 001 1048576
   VCID: 2313E79787D160939A3-8076

1 Fault Found:
01316 - ABS Control Module
            013 - Check DTC Memory - Intermittent
             Freeze Frame:
                    Fault Status: 00101101
                    Fault Priority: 3
                    Fault Frequency: 2
                    Reset counter: 178
                    Mileage: 181502 km
                    Time Indication: 0
                    Date: 2022.01.19
                    Time: 20:45:39

             Freeze Frame:
                    Hex Value: 0x0000
                    Hex Value: 0x0000
                    Hex Value: 0x0007
                    Voltage: 14.30 V
                    Temperature: -5.0°C
                    (no units): 61.0


-------------------------------------------------------------------------------
Address 4F: Centr. Electr. II        Labels: 4F0-910-280.lbl
   Part No SW: 4F0 910 280     HW: 4F0 907 280 D
   Component: ILM Beifahrer   H13 0100 
   Revision:             Serial number: 00000000060543
   Coding: 0012001
   Shop #: WSC 31414 790 00001
   VCID: 5EE59663EC330D7BF5D-800A

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 4F0-959-792.clb
   Part No SW: 4F0 959 792 R    HW: 8K0 959 792 D
   Component: TSG BF        H11 0250 
   Revision:             Serial number: 0000102545459
   Coding: 011F57205E40440004
   Shop #: WSC 31414 790 00001
   VCID: 45D7590F65A57EA3D47-8010

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 8P0-907-357.lbl
   Part No: 8P0 907 357 H
   Component: Dynamische LWR  H02 0010 
   Revision: 00000001    Serial number:               
   Coding: 0000007
   Shop #: WSC 31414 790 00001
   VCID: 3FDB4BE70B7924739EB-806A

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (R)       Labels:. 4F0-035-0xx-56.clb
   Part No SW: 4F0 035 082 A    HW: 4F0 035 082
   Component: Radio U SIRIU H45 0021 
   Revision: AB001007    Serial number: 335L+097544635
   Coding: 020000010000000000
   Shop #: WSC 31414 790 00001
   VCID: 1D67D16FADB55663AC7-8048

1 Fault Found:
02788 - Internal Communications Error
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 7
                    Fault Frequency: 1
                    Reset counter: 123
                    Mileage: 181146 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 15:53:20

             Freeze Frame:
                    Bin. Bits: 00000001


-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
   Part No SW: 4L0 035 664 B    HW: 4L0 035 664 A
   Component: H-BN-NA       H49 0116 
   Revision: --------    Serial number: 489IC0A7539385
   Coding: 010200060004E1EF51002305EF6300030000
   Shop #: WSC 23597 444 999999
   VCID: 2A0D0AB3ECFBB1DBD95-807E

   Subsystem 1 - Part No: 8R0 060 884 P
   Component: NAR 2010  0407

   Subsystem 2 - Part No SW: 4F0 919 604     HW: 4F0 919 604
   Component: DU7 High  H43 0306
   Serial number: 9356LY091157145     

   Subsystem 3 - Part No SW: 4L0 910 609     HW: 4L0 919 611 C
   Component: E0380 Bedient  H05 0060
   Serial number: 00000001476868     

   Subsystem 4 - Part No: 8R0 060 961
   Component: CD-Database  1886

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels:. 4F0-959-795.clb
   Part No SW: 4F0 959 795 M    HW: 8K0 959 795 B
   Component: TSG HL        H10 0251 
   Revision:             Serial number: 0000102504091
   Coding: 010E57204040230004
   Shop #: WSC 31414 790 00001
   VCID: 43D347176B914093FA3-8016

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:. 4E0-907-383.clb
   Part No SW: 4E0 907 383 J    HW: 4E0 907 383 J
   Component: Anhaenger     H08 0070 
   Revision: 2A001001    Serial number: 00000124877562
   Coding: 0200000000000000
   Shop #: WSC 31414 790 00001
   VCID: 313F1DDFC12DC20318F-8064

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam.        Labels: 4L0-910-441.clb
   Part No SW: 4L0 910 441 B    HW: 4L0 907 441 B
   Component: J772__Rearview      0030 
   Revision: --H03---    Serial number: 525PA8-J9Z405M
   Coding: 1021201
   Shop #: WSC 31414 790 00001
   VCID: 2517F98F89E59EA3F47-8070

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect.        Labels: 4L0-910-945.clb
   Part No SW: 4L0 910 945     HW: 4L0 827 851 D
   Component: ValeoHeckdeckel H29 0410 
   Revision: --H29001    Serial number: 8K9827852  B 
   Shop #: WSC 98765 666 38354
   VCID: 6C81CCAB2A8F6FEB6B9-8038

   Subsystem 1 - Part No: 4L0 910 946
   Component: ValeoHeckdeckel H29 0410

   Subsystem 2 - Serial number: E5030100B     

   Subsystem 3 - Serial number: RD16.12.09--H29001001B0311ÿ

   Subsystem 4 - Serial number: 1B0311ÿ

No fault code found.

-------------------------------------------------------------------------------
Address 6F: Centr. Conv. II        Labels:. 4L0-910-290.lbl
   Part No SW: 4L0 910 290 A    HW: 4L0 907 290 A
   Component: ILM HINTEN 2    H05 0060 
   Revision: AAH05061    Serial number: 003891262-----
   Coding: 0003595
   Shop #: WSC 31414 790 00001
   VCID: 2615FE83F4E395BBFDD-8072

   Subsystem 1 - Part No: 4L0 910 591
   Component: J_245_EE16_SKB09H10 0200

   Subsystem 2 - Part No: 4L0 910 591
   Component: J_394_EE16_SKB09H10 0200

   Subsystem 3 - Part No: 4L0 910 591
   Component: J_392_EE16_SKB09H10 0200

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels:. 4F0-959-795.clb
   Part No SW: 4F0 959 795 M    HW: 8K0 959 795 B
   Component: TSG HR        H10 0251 
   Revision:             Serial number: 0000102503704
   Coding: 010E57204040230004
   Shop #: WSC 31414 790 00001
   VCID: 43D347176B914093FA3-8016

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist        Labels: 4Fx-910-283.lbl
   Part No SW: 4L0 910 283 E    HW: 4L0 919 283 E
   Component: Parkhilfe 8-Kan H02 0100 
   Revision: 00H02000    Serial number: 85130928304470
   Coding: 0231366
   Shop #: WSC 51422 000 1048576
   VCID: 2C010CABEA0FAFEB2B9-8078

No fault code found.

End----(Elapsed Time: 02:20, VBatt start/end: 12.0V/12.0V. VIgn 12.0V)-----
 
   #10  

JMR

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C?ID=432218
Thwre has to be a vaacum issue somewhere...
 
   #11  

webchimp

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Thanks, JMR
I'll continue to hunt for a vacuum issue, but does anyone have a reference to a diagram of all vacuum related lines on the Q7 4.2L? I did find a couple of lines that seemed suspect on the front of the motor, and one of the T connections even had a *tiny* leak when I plugged two sides and blew in the other. But these were replaced before these codes came back.

In addition, the shop tech said he smoke tested the rest and didn't find leaks :facepalm:


This scenario does seem to have a somewhat consistent behavior when the codes DO show up:
  1. Drive the car and get it up to operating temps
  2. Park/sit for an hour or two
  3. Come back and start up and drive again, and then
  4. Codes come back:
    1. First the TPMS error
    2. Then the ESP /ABS error
    3. Then the CEL light comes up a short while later
    4. Then occasionally (but not always) there is either
      1. A Hill Assist fault error
      2. Or there is a Gearbox Malfunction error

I just put that out there in case there are particular areas where a vacuum leak might be present to set off this chain of events. I'll go replace all of the lines if necessary, but narrowing it down to any degree would be desirable. I suspect if it were any other component (like a solenoid) that I would get a specific error related to that component, correct?

Thanks agian.
 
   #12  

webchimp

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So... a continuing update to my little saga.
It's now 1/20/22 and I have a fresh set of updated codes (below).

Apparently there is STILL a mechanical failure code on the part of the (brand new!) brake booster vacuum pump!
This must indicate something upstream from it, correct? Like possibly a relay or some other form of power control???

I'm kind of at a loss on that one since I just replaced the pump :banghead:
Any ideas?

Thanks!

Code:
Thursday,20,January,2022,18:52:52:18824
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 21.9.0.2 (x64)  HEX-V2 CB: 0.4555.4
Data version: 20210903 DS330.0
www.Ross-Tech.com

Dealer/Shop Name: MyAutomotive

VIN: WA1DVBFE1AD005133   License Plate: KCHXXX
Mileage: 181590km-112834mi   Repair Order: Scan-Faults-Return-1-20-22



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


Chassis Type: FE (4F0)
Scan: 01 02 03 05 08 09 0E 15 16 17 19 28 36 3C 42 46 47 4C 4F 52
          55 56 5F 62 69 6C 6D 6F 72 76

VIN: WA1DVBFE1AD005133   Mileage: 181590km-112834miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: Malfunction 0010
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: Malfunction 0010
08-Auto HVAC -- Status: Malfunction 0010
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: OK 0000
19-CAN Gateway -- Status: OK 0000
28-HVAC, Rear -- Status: Malfunction 0010
36-Seat Mem. Drvr -- Status: OK 0000
3C-Lane Change -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: Malfunction 0010
4C-Tire Pressure II -- Status: Malfunction 0010
4F-Centr. Electr. II -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
69-Trailer -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
6F-Centr. Conv. II -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (BAR)       Labels:. 079-907-560-BAR.clb
   Part No SW: 4L0 910 560 Q    HW: 4L0 907 560 B
   Component: 4.2l V8/4V          0030 
   Revision: 78H03---    Serial number:               
   Coding: 0121000A190F0960
   Shop #: WSC 31414 790 00001
   VCID: 36352EC32443E53B4DD-8062
   VINID: 9D10549925950515000050430CAE36F9B5

5 Faults Found:
001431 - Thermostat for Mapped Engine Cooling (F265)
               P0597 - 004 - Open Circuit
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181517 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 08:27:25

             Freeze Frame:
                    RPM: 153 /min
                    Load: 86.6 %
                    Speed: 0.0 km/h
                    Temperature: 20.0°C
                    Temperature: 21.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 10.033 V

005241 - Brake Boost Vacuum System
               P1479 - 008 - Mechanical Failure
             Freeze Frame:
                    Fault Status: 01101000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181518 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 08:30:05

             Freeze Frame:
                    RPM: 1928 /min
                    Load: 48.6 %
                    Speed: 22.0 km/h
                    Temperature: 45.0°C
                    Temperature: 14.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 13.970 V

004105 - Mass Air Flow Sensor 1/2
               P1009 - 004 - Implausible Signal from Load Calculation - MIL ON
             Freeze Frame:
                    Fault Status: 11100100
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 181550 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 12:54:16

             Freeze Frame:
                    RPM: 1638 /min
                    Load: 63.1 %
                    Speed: 59.0 km/h
                    Temperature: 78.0°C
                    Temperature: 18.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.351 V

000257 - Mass Air Flow Sensor (G70)
               P0101 - 004 - Implausible Signal - Intermittent - MIL ON
             Freeze Frame:
                    Fault Status: 10100100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 181550 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 12:54:17

             Freeze Frame:
                    RPM: 1665 /min
                    Load: 64.3 %
                    Speed: 60.0 km/h
                    Temperature: 78.0°C
                    Temperature: 18.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.478 V

000267 - Mass Air Flow Sensor (G246)
               P010B - 004 - Implausible Signal - Intermittent - MIL ON
             Freeze Frame:
                    Fault Status: 10100100
                    Fault Priority: 2
                    Fault Frequency: 16
                    Reset counter: 255
                    Mileage: 181551 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 12:55:46

             Freeze Frame:
                    RPM: 2359 /min
                    Load: 68.2 %
                    Speed: 64.0 km/h
                    Temperature: 80.0°C
                    Temperature: 11.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.224 V

Readiness: 0100 0100

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 09D-927-750.clb
   Part No SW: 09D 927 750 LK    HW: 09D 927 750 LK
   Component: AL 750 6A           1578 
   Revision: 00H78000    Serial number:               
   Coding: 0001016
   Shop #: WSC 31414 790 00001
   VCID: 025D8213380B899BB15-8056

1 Fault Found:
01314 - Engine Control Module
            013 - Check DTC Memory
             Freeze Frame:
                    Fault Status: 00100100
                    Fault Priority: 2
                    Fault Frequency: 5
                    Reset counter: 0
                    Mileage: 0 km
                    Time Indication: 0


-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels:. 4L0-910-517-V2.clb
   Part No SW: 4L0 910 517 K    HW: 4L0 614 517 K
   Component: ESP ALLRAD MK25E1   0020 
   Revision: 00H30001   
   Coding: 0082993
   Shop #: WSC 31414 790 00001
   VCID: 323D12D3C82BF91B615-8066

1 Fault Found:
01314 - Engine Control Module
            013 - Check DTC Memory
             Freeze Frame:
                    Fault Status: 01101101
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 140
                    Mileage: 181550 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 12:54:17

             Freeze Frame:
                    Count: 15616
                    Count: 8193
                    Count: 8196
                    Count: 51968


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth.        Labels:. 4F0-910-852.clb
   Part No SW: 4F0 910 852 B    HW: 4F0 905 852 D
   Component: FBSAUDIC6 ELV   H05 0100 
   Revision: 00H05000    Serial number: 10602601411120
   Coding: 0000135
   Shop #: WSC 31414 790 00001
   VCID: 2517F98F89E59EA3F47-8070

   Subsystem 1 - Part No: 4F0 910 132 L
   Component: FBSAUDIC6 EZS   H03 0020

   Subsystem 2 - Part No: 4F0 910 335 B
   Component: FBSAUDIC6 KSG   H03 0020

2 Faults Found:
00191 - Passenger's Door Handle Touch Sensor (G416)
            007 - Short to Ground
             Freeze Frame:
                    Fault Status: 01110111
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 138
                    Mileage: 181517 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 08:27:24

00193 - Rear Right Door Handle Touch Sensor (G418)
            007 - Short to Ground
             Freeze Frame:
                    Fault Status: 01110111
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 138
                    Mileage: 181517 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 08:27:24


-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels: None
   Part No SW: 4L0 910 043 C    HW: 4L0 820 043 AC
   Component: KLIMA 4 ZONEN H12 0030 
   Revision: 00---017    Serial number: 00000000220842
   Coding: 0C0028
   Shop #: WSC 31414 790 00001
   VCID: 2411E48B8EDF67ABE39-8070

   Subsystem 1 - Part No SW: 8K0 959 772 A    HW: 8K0 959 772
   Component: SLR-B8  H05 0003
   Serial number:           1100077197
   Coding: 070000

   Subsystem 2 - Part No SW: 8K0 959 772 A    HW: 8K0 959 772
   Component: SLR-B8  H05 0003
   Serial number:           1100077346
   Coding: 070000

1 Fault Found:
00819 - High Pressure Sensor (G65)
            002 - Lower Limit Exceeded - Intermittent
             Freeze Frame:
                    Fault Status: 00100010
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 179
                    Mileage: 181518 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 08:30:43

             Freeze Frame:
                    Temperature: 50.0°C
                    Temperature: 17.0°C
                    Load: 0.0 %
                    Temperature: -55.0°C
                    RPM: 1800 /min
                    Absolute Pres.: 3.6 bar
                    Current: 0.000 A
                    Temperature: 13.0°C


-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels: 4F0-910-279.lbl
   Part No SW: 4F0 910 279 AG    HW: 4F0 907 279 C
   Component: ILM Fahrer      H31 0400 
   Revision: 00000000    Serial number: 4F0907279     
   Coding: 0133123
   Shop #: WSC 44082 001 1048576
   VCID: 6E85C6A31C939DFB45D-803A

   Subsystem 1 - Part No: 4L1 910 113   Labels: 1KX-955-119.CLB
   Component: Wischer AU716   H17 0100 
   Coding: 00064792
   Shop #: WSC 44082 

   Subsystem 2 - Part No: 8K0 910 557   Labels: 8K0-955-559.CLB
   Component: REGENLICHTSENSORH04 0003 
   Coding: 00150059
   Shop #: WSC 44082 

No fault code found.

-------------------------------------------------------------------------------
Address 0E: Media Player 1
Cannot be reached

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 4L0-910-655.lbl
   Part No SW: 4L0 910 655 A    HW: 4L0 959 655 B
   Component: 72 AIRBAG AUDI8RH43 0230 
   Revision: 07H43000    Serial number: 0038QD09C6A1 
   Coding: 0014130
   Shop #: WSC 31414 790 00001
   VCID: 2B030FB7EF01A8D3223-807E

   Subsystem 1 - Part No: 4L0 910 339 A
   Component: BF-Gewichtsens. H03 0030

   Subsystem 2 - Serial number: 6332QSME77460A3EQ

   Subsystem 3 - Serial number: 6342QSME15471F28J

   Subsystem 4 - Serial number: 6352QSME19484A28N

   Subsystem 5 - Serial number: 6362QSME1C481E3CX

   Subsystem 6 - Serial number: 63734SME59134B7A8

   Subsystem 7 - Serial number: 63834SME1B6D4C56H

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 4F0-910-549.lbl
   Part No SW: 4F0 910 549 A    HW: 4F0 953 549 C
   Component: J0527               0530 
   Revision: 00H06000    Serial number: 90025093290262
   Coding: 0012242
   Shop #: WSC 31414 790 00001
   VCID: 270BF387F3E98CB3C6B-8072

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

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:. 4L0-920-xxx-17.clb
   Part No SW: 4L0 920 982 M    HW: 4L0 920 982 M
   Component: KOMBIINSTR.   H08 0147 
   Revision: 00000000    Serial number: DKW43WHD9     
   Coding: 8BD663040100CF05020201
   Shop #: WSC 31414 790 00001
   VCID: 3B233FF713613853B23-806E

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 4F0-907-468.clb
   Part No SW: 4F0 907 468 N    HW: 4F0 907 468 G
   Component: GW-BEM 5CAN-M H06 0035 
   Revision: MB200030    Serial number: 3000M09C128221
   Coding: 000303
   Shop #: WSC 31414 790 00001
   VCID: 3A2D3AF31C5B015BA95-806E

   Subsystem 1 - Part No SW: 8K0 915 181 D    HW: 8K0 915 181 D
   Component: J367-BDM  H07 0125
   Serial number: 00000000002790100616

No fault code found.

-------------------------------------------------------------------------------
Address 28: HVAC, Rear        Labels: None
   Part No SW: 4L0 910 158     HW: 4L0 919 158 AB
   Component: KLIMABETAETIGUNGH06 0060 
   Revision: 00---010    Serial number: 00000030138498
   Coding: 0000006
   Shop #: WSC 31414 790 00001
   VCID: 6889B0BB3E7743CB0F1-803C

1 Fault Found:
01320 - Control Module for Climatronic (J255)
            013 - Check DTC Memory
             Freeze Frame:
                    Fault Status: 01101101
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 138
                    Mileage: 181519 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 08:30:48

             Freeze Frame:
                        ON


-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J136)       Labels: None
   Part No SW: 4F0 959 760 C    HW: 4F0 959 760 C
   Component: MEM-FS        H08 0062 
   Revision: AA000000    Serial number: 00001001378418
   Coding: 00581B00000011110000
   Shop #: WSC 31414 790 00001
   VCID: 313F1DDFC12DC20318F-8064

No fault code found.

-------------------------------------------------------------------------------
Address 3C: Lane Change        Labels: None
   Part No SW: 4L0 910 566 C    HW: 4L0 907 566 B
   Component: J0769_SWA_MasterH01 0040 
   Revision: 00H01000    Serial number: 6PZ 009 014-10
   Coding: 0010001
   Shop #: WSC 31414 790 00001
   VCID: 2E0506A3DC13DDFB05D-807A

   Subsystem 1 - Part No: 4L0 910 568 C
   Component: J0770_SWA_Slave_H02 0050

   Subsystem 2 - Serial number: 6PZ 009 014-30

   Subsystem 3 - Serial number: 5F06.01.1300H02000AMS14217ÿ

   Subsystem 4 - Serial number: S14217ÿ

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 4F0-959-793.clb
   Part No SW: 4F0 959 793 R    HW: 8K0 959 793 D
   Component: TSG FA        H11 0250 
   Revision:             Serial number: 0000102495643
   Coding: 011F57205E40440004
   Shop #: WSC 31414 790 00001
   VCID: 46D55E0358A375BBDDD-8012

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 4L0-910-289.lbl
   Part No SW: 4L0 910 289 H    HW: 4L0 907 289 H
   Component: Komfortgeraet   H09 0100 
   Revision: 0100 ---    Serial number: 01252386460000
   Coding: 3569693
   Shop #: WSC 31414 790 00001
   VCID: 353729CF3945EE23447-8060

   Subsystem 1 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HORN H05 1501

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System (J525)       Labels: None
   Part No SW: 4L0 035 466 A    HW: 4L0 035 466 A
   Component: BO Q7         H30 0110 
   Revision: 05S00000    Serial number: 00211090003800
   Coding: 05000001
   Shop #: WSC 31414 790 00001
   VCID: 290FF5BFE9FDBAC3D0F-807C

   Subsystem 1 - Part No SW: 4L0 910 465 A    HW: 4L0 035 465
   Component: BO Q7 SLAVE  H41 0780
   Serial number: 01211090002995     

1 Fault Found:
00870 - Bass Speaker Front Left (R21)
            011 - Open Circuit
             Freeze Frame:
                    Fault Status: 01101011
                    Fault Priority: 5
                    Fault Frequency: 7
                    Reset counter: 140
                    Time Indication: 0

             Freeze Frame:
                    Voltage: 12.50 V
                    Temperature: 13.0°C
                    Bin. Bits: 00000011
                    Voltage: 12.00 V
                    Temperature: 15.0°C
                    Bin. Bits: 00000000
                    Bin. Bits: 00000000


-------------------------------------------------------------------------------
Address 4C: Tire Pressure II        Labels: 4F0-910-274.clb
   Part No SW: 4F0 910 274 B    HW: 4F0 907 274
   Component: J793  RKA+      H02 0110 
   Revision: 00000506    Serial number: 00005061087933
   Coding: 0700109
   Shop #: WSC 62749 001 1048576
   VCID: 2313E79787D160939A3-8076

1 Fault Found:
01316 - ABS Control Module
            013 - Check DTC Memory - MIL ON
             Freeze Frame:
                    Fault Status: 11101101
                    Fault Priority: 3
                    Fault Frequency: 10
                    Reset counter: 140
                    Mileage: 181550 km
                    Time Indication: 0
                    Date: 2022.01.20
                    Time: 12:54:21

             Freeze Frame:
                    Hex Value: 0x0000
                    Hex Value: 0x0000
                    Hex Value: 0x0007
                    Voltage: 14.40 V
                    Temperature: -4.0°C
                    (no units): 64.0


-------------------------------------------------------------------------------
Address 4F: Centr. Electr. II        Labels: 4F0-910-280.lbl
   Part No SW: 4F0 910 280     HW: 4F0 907 280 D
   Component: ILM Beifahrer   H13 0100 
   Revision:             Serial number: 00000000060543
   Coding: 0012001
   Shop #: WSC 31414 790 00001
   VCID: 5EE59663EC330D7BF5D-800A

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 4F0-959-792.clb
   Part No SW: 4F0 959 792 R    HW: 8K0 959 792 D
   Component: TSG BF        H11 0250 
   Revision:             Serial number: 0000102545459
   Coding: 011F57205E40440004
   Shop #: WSC 31414 790 00001
   VCID: 45D7590F65A57EA3D47-8010

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 8P0-907-357.lbl
   Part No: 8P0 907 357 H
   Component: Dynamische LWR  H02 0010 
   Revision: 00000001    Serial number:               
   Coding: 0000007
   Shop #: WSC 31414 790 00001
   VCID: 3FDB4BE70B7924739EB-806A

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (R)       Labels:. 4F0-035-0xx-56.clb
   Part No SW: 4F0 035 082 A    HW: 4F0 035 082
   Component: Radio U SIRIU H45 0021 
   Revision: AB001007    Serial number: 335L+097544635
   Coding: 020000010000000000
   Shop #: WSC 31414 790 00001
   VCID: 1D67D16FADB55663AC7-8048

1 Fault Found:
02788 - Internal Communications Error
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 7
                    Fault Frequency: 1
                    Reset counter: 123
                    Mileage: 181146 km
                    Time Indication: 0
                    Date: 2022.01.08
                    Time: 15:53:20

             Freeze Frame:
                    Bin. Bits: 00000001


-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
   Part No SW: 4L0 035 664 B    HW: 4L0 035 664 A
   Component: H-BN-NA       H49 0116 
   Revision: --------    Serial number: 489IC0A7539385
   Coding: 010200060004E1EF51002305EF6300030000
   Shop #: WSC 23597 444 999999
   VCID: 2A0D0AB3ECFBB1DBD95-807E

   Subsystem 1 - Part No: 8R0 060 884 P
   Component: NAR 2010  0407

   Subsystem 2 - Part No SW: 4F0 919 604     HW: 4F0 919 604
   Component: DU7 High  H43 0306
   Serial number: 9356LY091157145     

   Subsystem 3 - Part No SW: 4L0 910 609     HW: 4L0 919 611 C
   Component: E0380 Bedient  H05 0060
   Serial number: 00000001476868     

   Subsystem 4 - Part No: 8R0 060 961
   Component: CD-Database  1886

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels:. 4F0-959-795.clb
   Part No SW: 4F0 959 795 M    HW: 8K0 959 795 B
   Component: TSG HL        H10 0251 
   Revision:             Serial number: 0000102504091
   Coding: 010E57204040230004
   Shop #: WSC 31414 790 00001
   VCID: 43D347176B914093FA3-8016

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:. 4E0-907-383.clb
   Part No SW: 4E0 907 383 J    HW: 4E0 907 383 J
   Component: Anhaenger     H08 0070 
   Revision: 2A001001    Serial number: 00000124877562
   Coding: 0200000000000000
   Shop #: WSC 31414 790 00001
   VCID: 313F1DDFC12DC20318F-8064

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam.        Labels: 4L0-910-441.clb
   Part No SW: 4L0 910 441 B    HW: 4L0 907 441 B
   Component: J772__Rearview      0030 
   Revision: --H03---    Serial number: 525PA8-J9Z405M
   Coding: 1021201
   Shop #: WSC 31414 790 00001
   VCID: 2517F98F89E59EA3F47-8070

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect.        Labels: 4L0-910-945.clb
   Part No SW: 4L0 910 945     HW: 4L0 827 851 D
   Component: ValeoHeckdeckel H29 0410 
   Revision: --H29001    Serial number: 8K9827852  B 
   Shop #: WSC 98765 666 38354
   VCID: 6C81CCAB2A8F6FEB6B9-8038

   Subsystem 1 - Part No: 4L0 910 946
   Component: ValeoHeckdeckel H29 0410

   Subsystem 2 - Serial number: E5030100B     

   Subsystem 3 - Serial number: RD16.12.09--H29001001B0311ÿ

   Subsystem 4 - Serial number: 1B0311ÿ

No fault code found.

-------------------------------------------------------------------------------
Address 6F: Centr. Conv. II        Labels:. 4L0-910-290.lbl
   Part No SW: 4L0 910 290 A    HW: 4L0 907 290 A
   Component: ILM HINTEN 2    H05 0060 
   Revision: AAH05061    Serial number: 003891262-----
   Coding: 0003595
   Shop #: WSC 31414 790 00001
   VCID: 2615FE83F4E395BBFDD-8072

   Subsystem 1 - Part No: 4L0 910 591
   Component: J_245_EE16_SKB09H10 0200

   Subsystem 2 - Part No: 4L0 910 591
   Component: J_394_EE16_SKB09H10 0200

   Subsystem 3 - Part No: 4L0 910 591
   Component: J_392_EE16_SKB09H10 0200

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels:. 4F0-959-795.clb
   Part No SW: 4F0 959 795 M    HW: 8K0 959 795 B
   Component: TSG HR        H10 0251 
   Revision:             Serial number: 0000102503704
   Coding: 010E57204040230004
   Shop #: WSC 31414 790 00001
   VCID: 43D347176B914093FA3-8016

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist        Labels: 4Fx-910-283.lbl
   Part No SW: 4L0 910 283 E    HW: 4L0 919 283 E
   Component: Parkhilfe 8-Kan H02 0100 
   Revision: 00H02000    Serial number: 85130928304470
   Coding: 0231366
   Shop #: WSC 51422 000 1048576
   VCID: 2C010CABEA0FAFEB2B9-8078

No fault code found.

End----------(Elapsed Time: 02:32, VBatt start/end: 11.9V/11.9V)-----------
 
   #13  

JMR

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I am really stumped at this problem . I could understand your frustration ..really son of a bitch kinda problem here...Tell me...is the brake pedal firm or slushy when you get the codes ? Is there a separate vacuum pump ? Does it have a sensor on it ? I will try to get in touch with one or more of mechanics today and describe to them your problem maybe one of them had this issue fixed , those type of cars are fairly in a good number around here in diesel form ..i will let you know what they think of it
 
   #14  

webchimp

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JMR,
The brakes seem to function exactly the same with or without codes - performance does not change there.

However, when the warnings are present the transmission definitely switches to a different mode. The gear changes are noticeable - distinct changes, bordering on harsh (upshifts and downshifts). I'm guessing this is a 'safe mode' of some sort because once the codes are cleared it's back to being very smooth.

So my challenge now is to figure out what's upstream from that brake booster vacuum pump and find the issue.

Thanks!
 
   #15  

gearguts

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Would the computer assume a mechanical failure because the pump can't build vacuum even though it's sensed as running ? Several things could cause the pump to fail to build vacuum, Maybe if you could run the pump with vcds you could troubleshoot the plumbing ? I'm totally new to this, can't pretend I know how to do that though... Also don't forget to check the fuses very carefully, you never know with these cars. I blew an engine fuse and the wipers quit working. Weird.
 
   #16  

webchimp

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gearguts,

I have run the VCDS diagnostic / output test for the ABS system, but I don't see any type of failure or warning along the way when I step through the process. Admittedly, I'm not an expert either when it comes to interpreting what I'm seeing in the output tests, but most are pretty straightforward if there's an issue. I didn't see an issue.

What I'm thinking next, since all of the lines and connectors to the pump seem good, is to look upstream to the Brake Booster Pressure Sensor.
You can see a diagram here: https://photos.app.goo.gl/1hyQvB1tt2efX5YEA
  • I have replaced the booster pump
  • I will look to replace the booster sensor, although it looks like a heckuva job- looks like it's located behind the bulkhead!
I also double-checked all fuses and everything is good there.

Thanks!
 
   #17  

JMR

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please check fuse F18 ( 15 A , blue , pertains to Brake servo vacuum pump) inside engine compartment and relay A5 ( brake servo vacuum pump relay ) in the same place . this info pertains to 2010 audi q7 4.2 fsi eng code BAR
Make sure your fuse is not blown twist it's pins a bit for surer contact under load , verify 12 V with/without ignition on, pull out relay and smack it few times with a screwdriver handle..rescan

https://flic.kr/p/2mYF21i
https://flic.kr/p/2mYGYCV
 
Last edited:
   #18  

webchimp

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JMR
Thanks for the resource. A couple of days ago I did check the F18 fuse, along with all of my other fuses. But I have not had a chance to get to the A5 relay. I plan to do that when I pull the plenum chamber cover and wipers, so that I can get down in there and test the vacuum line to the brake cylinder, as well as replace the brake boost pressure sensor.

Thanks!
 
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   #19  

webchimp

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Update:

I did get into the bulkhead (plenum chamber) late last week, and I replaced the power brake booster sensor [036-906-051-C]. It's shown here in the last photo, with an arrow to the sensor location: https://photos.app.goo.gl/EFFKV1My2qtxCay48

When I removed the old sensor it released a lot of vacuum pressure, so I have more confidence now that those lines from the brake booster vacuum pump that run behind the bulkhead are sealed well enough. I've run the car for 3 or 4 days with no codes appearing yet... although this has been typical throughout this troubleshooting process. If any codes do pop up soon, I will be re-evaluating at that time.

So far, so good.:thumbs:
 
   #20  

webchimp

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One final update on this, since I hate coming across unresolved threads when searching for answers...

<SOLVED>

It's been over three and a half weeks now since that last repair and I have had NO more codes for this issue. The power brake booster sensor [036-906-051-C] seems to have been the culprit.​
I'm thinking that the brake boost pump (which I did replace) does not run at a low level, and the 'power up' when called on. Rather, it's completely off until called upon; otherwise I would have received warnings at startup and not randomly while driving (with up to a week after clearing the code). The sensor must have completely failed - not just intermittent failure - since it saw a 'mechanical failure' of the pump, but pressure was there and braking / ABS was not affected.​
It was a simple fix, but it took a long time to track it down. For anyone having similar issues, I would certainly suggest starting with a check of vacuum lines, but then address this sensor first. I could have saved a lot of time and money working it the other way - you know what they say about hindsight! :D

</SOLVED>

Cheers!
 
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