2012 Audi A8 Relay for Ride-Height Compressor Mechanical Failure

   #1  

hellride

Verified VCDS User
Verified
Joined
Dec 22, 2019
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Reaction score
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Location
USA
VCDS Serial number
C?ID=121126
A month or so ago I did the 100k-ish typical A8 front suspension service like I had to do on both, my 04 and 08. I replaced all control arms, sway bar links and both shocks. She rode like a dream again, but last week I've been getting a suspension warning indicator with these fault codes:

2 Faults Found:
358147 - Relay for Ride-Height Compressor
C1038 07 [009] - Mechanical Failure
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Reset counter: 138
Mileage: 185257 km
Date: 2019.12.22
Time: 18:11:56

403200 - Function Shut-Off Active
C10C8 00 [009] - -
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 138
Mileage: 185257 km
Date: 2019.12.22
Time: 18:11:34

Since I've been rolling with a leak for a couple of month while I didn't have time to do surgery, I went ahead and swapped out the compressor and the relay, but I can't get the darn compressor to kick in again and the relay fault won't go away. I tested my old and the new relay, they both close when I put 12V on it, and my multimeter is reading 0.1 resistance. I checked all the fuses for the supply voltage and everything looks good, I even get 12V on the relay socket. When I manually close the circuit on the relay the compressor runs fine. I am at a complete loss and haven't found any posts specific to this issue, all are where the compressor was running hot due to performance issues and burned out the relay.

I did a full read out and the only other faults I found was for a coolant pump about to go out and an ABS code I can't read due to having the old interface. Anybody run into this issue or has an idea what this could be while I wait for the dealer to open to throw another relay at it?

Full scan:

Code:
Sunday,22,December,2019,18:55:09:40399
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 19.6.2.0 (x64)
Data version: 20190930 DS308.0
www.Ross-Tech.com


VIN: WAURVAFD7CN019433   License Plate: 1222191855
Mileage: 185257km-115113mi   Repair Order: 



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


Chassis Type: FD-AU64 (4H0)
Scan: 01 02 03 05 06 08 09 0E 10 15 16 17 19 28 34 36 3B 42 46 47
          48 52 53 56 5B 5F 62 6C 6D 6F 72 81 84 88 89 8A 8D 8F 90

VIN: WAURVAFD7CN019433   Mileage: 185257km-115113miles

01-Engine -- Status: OK 0000
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: OK 0000
06-Seat Mem. Pass -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: OK 0000
0E-Media Player 1 -- Status: OK 0000
10-Park/Steer Assist -- 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
34-Level Control -- Status: Malfunction 0010
36-Seat Mem. Drvr -- Status: OK 0000
3B-Sensor Elect. -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: OK 0000
48-Seat, Rear, DS -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: OK 0000
56-Radio -- Status: OK 0000
5B-Seat,Rear,PS -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- 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
81-Gear Shift -- Status: OK 0000
84-Night Vision -- Status: OK 0000
88-Multicont. Seat Driver -- Status: OK 0000
89-Multicont. Seat Pass. -- Status: OK 0000
8A-Multicont. Seat Rear,DS -- Status: OK 0000
8D-Multicont. Seat Rear,PS -- Status: OK 0000
8F-Pretens. Frt Left -- Status: OK 0000
90-Pretens. Frt Right -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine (------CDRA)       Labels:| 079-907-560-CFS.clb
   Part No SW: 4H0 907 560 C    HW: 4H0 907 560 
   Component: 4.2l V8/4V    H07 0004  
   Revision: N5H07---    
   Coding: 0106000A290F0168
   Shop #: WSC 02313 785 00200
   ASAM Dataset: EV_ECM42FSI0114H0907560C 001005
   ROD: EV_ECM42FSI0114H0907560C.rod
   VCID: 2A501E9D4D62E61FD9-807E

No fault code found.
Readiness: 1110 0101

-------------------------------------------------------------------------------
Address 02: Auto Trans (J217)       Labels:| 0BK-927-156.clb
   Part No SW: 4H1 927 158 BR    HW: 0BK 927 156 K
   Component: 0BK 42 FSIUSA H08 1001  
   Revision: --H08---    
   Coding: 000002
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_TCMALX51011 002018
   ROD: EV_TCMALX51011_002_AU64.rod
   VCID: 010299319094C547A8-8054

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 4H0-907-379.clb
   Part No SW: 4H0 907 379 D    HW: 4H0 907 379 D
   Component: ESP PREMIUM   H10 0352  
   Revision: --------    Serial number: --------------
   Coding: 44E6F20022674F00E200
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_ESPPremi 005013
   ROD: EV_ESPPremi_005_AU64.rod
   VCID: 336E03F99AA8A7D76A-8066

1 Fault Found:
0776 - Function Restriction due to Implausible Message(s) 
          U1112 00 [009] - -
          [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 7
                    Fault Frequency: 1
                    Reset counter: 138
                    Mileage: 185257 km
                    Date: 2019.12.22
                    Time: 18:11:23

                    VzRef: 00
                    Bit Info 1: 00
                    Bit Info 2: 40
                    Bit Info 3: 82
                    Bit Info 4: 00
                    F-Path: 39
                    F-Type: 23
                    Uz: B3


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
   Part No SW: 4H0 907 064 DD    HW: 4H0 907 064 BD
   Component: BCM2 2.0      H31 0510  
   Revision: 00002001    
   Coding: 0D872006000000000000
   Shop #: WSC 22155 444 131269
   VCID: 6ED8D28DB90ACA3F45-803A

   Subsystem 2 - Part No SW: 4H0 905 852 C    HW: 4H0 905 852 C
   Component: J764 ELV MLB  H39 0046 
   Serial number: 2311000236048012    

No fault code found.

-------------------------------------------------------------------------------
Address 06: Seat Mem. Pass (J521)       Labels: None
   Part No SW: 4H0 959 760 E    HW: 4H0 959 760 E
   Component: MEM-BFS       H08 0153  
   Revision: AA000000    Serial number: 00000017688159
   Coding: C018B60085043201010001010101112131313333283333
   Shop #: WSC 02313 785 00200
   VCID: 356A3DE19CDCB9E744-8060

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:| 4H0-820-043.clb
   Part No SW: 4H0 820 043 H    HW: 4H0 820 043 H
   Component: Klima 4 Zonen H20 0072  
   Coding: 480122BEC8
   Shop #: WSC 02313 785 00200
   ASAM Dataset: EV_AirCondiFront 001050
   ROD: EV_AirCondiFront_001_AU64.rod
   VCID: 254AEDA1247CC967F4-8070

1 Fault Found:
0378 - Coolant Circulation Pump 
          B10D0 04 [009] - Internal System Fault
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 138
                    Mileage: 185257 km
                    Date: 2019.12.22
                    Time: 17:35:17


-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 4H0-907-063-V1.clb
   Part No SW: 4H0 907 063 BG    HW: 4H0 907 063 
   Component: BCM1 2.0      H12 0100  
   Revision: 11012002    Serial number: 00000001283885
   Coding: 09072091073C9FE18B000804A0003800009CD308820001218001085C3B00
   Shop #: WSC 13561 002 1048576
   VCID: 6ED8D28DB90ACA3F45-803A

   Subsystem 1 - Part No SW: 4H1 955 119 C    HW: 4H1 955 119 A  Labels: 1KX-955-119.CLB
   Component: WWS641 111021  H35 0040 
   Serial number:         111029044831
   Coding: 0045F7

   Subsystem 2 - Part No SW: 8K0 955 559 C    HW: 8K0 955 559 C  Labels: 8K0-955-559.CLB
   Component: RLS  H04 0003 
   Serial number: 10159346            
   Coding: 025523

   Subsystem 3 - Part No SW: 4H0 941 531 C    HW: 4H0 941 531 C
   Component: E1 - LDS  H07 0044 
   Serial number: 02 11 2011  00000930

   Subsystem 4 - Part No SW: 4G0 907 410 A    HW: 4H0 907 410 A
   Component: USHL4.2  H30 0030 
   Serial number: 00000000095Z02AA2F0F

   Subsystem 5 - Part No SW: 4H0 907 472 B    HW: 4H0 907 472 B
   Component: A31 LED Mod1L  H03 0006 
   Serial number: 00000002051600010003
   Coding: 100000

   Subsystem 6 - Part No SW: 4H0 907 472 B    HW: 4H0 907 472 B
   Component: A27 LED Mod1R  H03 0006 
   Serial number: 00000031101100010461
   Coding: 100000

   Subsystem 7 - Part No SW: 4H0 907 705 K    HW: 4H0 907 705 C
   Component: EVLS-SG  H08 0300 
   Serial number: WA103159000000547376
   Coding: 020300

   Subsystem 8 - Part No SW: 4H0 907 658     HW: 4H0 907 658 
   Component: AQ_Hum_Sensor  H02 0002 
   Serial number: 95580AD5000000000001

No fault code found.

-------------------------------------------------------------------------------
Address 0E: Media Player 1 (R161)       Labels: None
   Part No SW: 4H0 035 108 F    HW: 4H0 035 108 
   Component: DVDCAlpine    H42 0200  
   Revision: AA001001    
   Coding: 010000
   Shop #: WSC 02311 785 00200
   VCID: 234EF3B9224837579A-8076

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:| 4H0-919-475-7X2.clb
   Part No SW: 4H0 919 475 L    HW: 4H0 919 475 C
   Component: PARKHILFE ACC H07 0043  
   Revision: 11001001    Serial number: 55901131600553
   Coding: 280102
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_EPHVA18AU57X0000 002005
   ROD: EV_EPHVA18AU57X0000_002_AU64.rod
   VCID: 3B7E2BD9B2F86F97B2-806E

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:* 4H0-959-655.clb
   Part No SW: 4H0 959 655 D    HW: 4H0 959 655 D
   Component: Airbag10.43   H41 0041  
   Revision: --------    Serial number: 003JS00178VB
   Coding: 303143303230303030344A55304C34483053
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_AirbaAU10BPAAU64X 001014
   ROD: EV_AirbaAU10BPAAU64X_VW51.rod
   VCID: 377637E98ED04BF756-8062

   Seat occupied recognition: 
   Subsystem 1 - Part No SW: 4H0 959 339 A    HW: 4H0 959 339 A
   Component: BF-Gewichtss.  H03 0040 
   Serial number: 5850000R11A3102B1V
   Coding: 000000

   Crash sensor for side airbag: driver side: 
   Serial number: 3575HRB405F0UJCIDGPH

   Crash sensor for side airbag: front passenger side: 
   Serial number: 3585HRB405H0UJCI9PNN

   Crash sensor for side airbag: rear: driver side: 
   Serial number: 3515JRB40530R8ACLOCP

   Crash sensor for side airbag: rear: passenger side: 
   Serial number: 3525JRB40550R8ACFPLW

   Crash sensor for front airbag: driver side: 
   Serial number: 3554VRB40570ODIS6P9A

   Crash sensor for front airbag: front passenger side: 
   Serial number: 3564VRB40590ODISB0H1

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:. 4H0-953-568.clb
   Part No SW: 4H0 953 568 G    HW: 4H0 953 568 G
   Component: Lenks.Modul   H03 0005  
   Revision: --------    Serial number: 90815KIG0009D 
   Coding: 000034
   Shop #: WSC 02311 785 00200
   VCID: 377637E986D04BF756-8062

   Subsystem 1 - Part No SW: 4H0 951 528 J    HW: 4H0 951 528 J
   Component: E221 - MFL  H09 0009 
   Serial number: 30 09 2011  33138990

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 4H0-920-xxx-17.clb-SRI1
   Part No SW: 4H0 920 820 F    HW: 4H0 920 820 F
   Component: TBenUSA---NV- H71 0416  
   Revision: 32081056    Serial number: 658221011593066
   Coding: 0B6608011300D705020000
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_RBD4K 004045
   ROD: EV_RBD4K_AU64.rod
   VCID: 2756E7A95E70DB77C6-8072

   Analog_clock: 
   Subsystem 1 - Part No SW: 4H0 919 204 G    HW: 4H0 919 204 G
   Component: Analoguhr D4  H05 0224 
   Serial number: 1111019000173       

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:* None
   Part No SW: 4H0 907 468 G    HW: 4H0 907 468 C
   Component: J533--Gateway H08 0214  
   Revision: --------    Serial number: 00000000301519
   Coding: 00C1034A00
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_GatewUDS 001025
   ROD: EV_GatewUDS_AU57.rod
   VCID: 356A3DE194DCB9E744-8060

   Battery Monitoring Control Module: 
   Subsystem 1 - Part No SW: 4H0 915 181     HW: 4H0 915 181 
   Component: J367-BDM  H07 0140 
   Serial number: 00000000005650836575

No fault code found.

-------------------------------------------------------------------------------
Address 28: HVAC, Rear (E265)       Labels:| 4H0-919-158.clb
   Part No SW: 4H0 919 158 D    HW: 4H0 919 158 D
   Component: Klima Fond    H15 0062  
   Coding: 0000000000
   Shop #: WSC 02313 785 00200
   ASAM Dataset: EV_AirCondiHeck 001039
   ROD: EV_AirCondiHeck_AU64.rod
   VCID: 316209F160B495C718-8064

No fault code found.

-------------------------------------------------------------------------------
Address 34: Level Control (J197)       Labels:. 4G0-907-553.clb
   Part No SW: 4H0 907 553 C    HW: 4H0 907 553 
   Component: LUFE-DAEMPFER H17 0096  
   Coding: 008000
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_AirSuspe 003022
   ROD: EV_AirSuspe_VW51.rod
   VCID: 2C5C18854796F82F2B-8078

2 Faults Found:
358147 - Relay for Ride-Height Compressor 
          C1038 07 [009] - Mechanical Failure
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 138
                    Mileage: 185257 km
                    Date: 2019.12.22
                    Time: 18:11:56

403200 - Function Shut-Off Active 
          C10C8 00 [009] - -
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 1
                    Reset counter: 138
                    Mileage: 185257 km
                    Date: 2019.12.22
                    Time: 18:11:34


-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J136)       Labels: None
   Part No SW: 4H0 959 760 E    HW: 4H0 959 760 E
   Component: MEM-FS        H08 0153  
   Revision: AA000000    Serial number: 00000017676086
   Coding: C018BF8085853201030001010101112131313333203333
   Shop #: WSC 02313 785 00200
   VCID: 356A3DE19CDCB9E744-8060

No fault code found.

-------------------------------------------------------------------------------
Address 3B: Sensor Elect. (J849)       Labels: None
   Part No SW: 4H0 907 637     HW: 4H0 907 637 
   Component: SARA 6D       H02 0015  
   Revision: --------    Serial number: EJ1BPA310131030
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_SARA 006014
   ROD: EV_SARA_006.rod
   VCID: 6CDCD8858716382F6B-8038

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 4H0-959-793.clb
   Part No SW: 4H0 959 793 G    HW: 4H0 959 793 G
   Component: TSG FA        H06 0261  
   Revision: --------    Serial number: 0000121938724 
   Coding: 011F1F005E0062C202003006
   Shop #: WSC 02313 785 00200
   VCID: 3D7A25C1A4EC61A78C-8068

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv. (J393)       Labels:. 4H0-907-064-46.clb
   Part No SW: 4H0 907 064 DD    HW: 4H0 907 064 BD
   Component: BCM2 2.0      H31 0510  
   Revision: 00002001    Serial number: 0163122272    
   Coding: 0106023A00FA759FB0B0C780020301000000000000000000000000000000
   Shop #: WSC 02313 785 00200
   VCID: 6ED8D28DB90ACA3F45-803A

   Subsystem 1 - Part No SW: 4H0 959 719     HW: 4H0 959 719 
   Component: GTO BF  H01 0070 
   Serial number: 00000000000000055064

   Subsystem 2 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HO  H05 1501 

   Subsystem 3 - Part No SW: 4H4 959 591     HW: 4H4 959 591 
   Component: J245  007C  H06 0005 
   Serial number: 144300008665        
   Coding: 020200

   Subsystem 4 - Part No SW: 4H0 947 135 BR    HW: 4H0 947 135 BR
   Component: Dachelektroni  H11 0080 
   Serial number: A2011000000000500242
   Coding: 070000

   Subsystem 5 - Part No SW: 4H4 959 591     HW: 4H4 959 591 
   Component: J394  0014  H06 0005 
   Serial number: 143200003344        
   Coding: 020200

   Subsystem 6 - Part No SW: 4H4 959 591     HW: 4H4 959 591 
   Component: J392  006A  H06 0005 
   Serial number: 144300008664        
   Coding: 020200

   Subsystem 7 - Part No SW: 4H4 959 591     HW: 4H4 959 591 
   Component: J867  00E0  H06 0005 
   Serial number: 143200003345        
   Coding: 020200

   Subsystem 8 - Part No SW: 3AA 962 243     HW: 3AA 962 243 
   Component: GEB.F.Heckoef  H12 0719 
   Serial number: 84181635            

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System (J525)       Labels: None
   Part No SW: 4G0 035 223 C    HW: 4G0 035 223 A
   Component: BOSE-G3-C7    H07 0160  
   Revision: CJ007000    Serial number: 00000000033503
   Coding: 030000
   Shop #: WSC 02583 002 1048576
   VCID: 1D3AC541042C01A7AC-8048

No fault code found.

-------------------------------------------------------------------------------
Address 48: Seat, Rear, DS (J876)       Labels: None
   Part No SW: 4H0 959 860     HW: 4H0 959 860 
   Component: MEM-FS-Fond   H06 0155  
   Revision: AA000000    Serial number: 00000016567105
   Coding: 001892800000300D0A00392038193A2039203B3B202020
   Shop #: WSC 02313 785 00200
   VCID: 71E2C9F1A834D5C758-8024

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 4H0-959-792.clb
   Part No SW: 4H0 959 792 G    HW: 4H0 959 792 G
   Component: TSG BF        H06 0261  
   Revision: --------    Serial number: 0000121897008 
   Coding: 011F1F005E0062C202003006
   Shop #: WSC 02313 785 00200
   VCID: 3C7C28C5BFF668AFBB-8068

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake (----)       Labels: 4H0-907-801.clb
   Part No SW: 4H0 907 801 E    HW: 4H0 907 801 A
   Component: EPB-4         H03 0012  
   Revision: --------    Serial number: 00000000176958
   ASAM Dataset: EV_ParkiBrake 001022
   ROD: EV_ParkiBrake_VW51.rod
   VCID: 2A501E9D4D62E61FD9-807E

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (R)       Labels: Redir Fail!
   Part No SW: 4H0 035 082 H    HW: 4H0 035 082 
   Component: Radio U SIRIU H53 0138  
   Revision: AB001007    Serial number: 155K%0B7516095
   Coding: 020007010000000001
   Shop #: WSC 02311 785 00200
   VCID: 2648EAAD517AC27FFD-8072

No fault code found.

-------------------------------------------------------------------------------
Address 5B: Seat,Rear,PS (J877)       Labels: None
   Part No SW: 4H0 959 860     HW: 4H0 959 860 
   Component: MEM-BFS-Fond  H06 0155  
   Revision: AA000000    Serial number: 00000016566434
   Coding: 001896800000300D0A00392038193A2039203B3B382020
   Shop #: WSC 02313 785 00200
   VCID: 71E2C9F1A834D5C758-8024

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
   Part No SW: 4H0 035 746 M    HW: 4H0 035 746 J
   Component: H-BNT-NA      H42 1038  
   Revision: --------    Serial number: 503EQ0G7506111
   Coding: 020200000001F1EF45168B1E00000003140001000000000000
   Shop #: WSC 12538 002 1048576
   VCID: 326006FD6DB2AEDF61-8066

   Subsystem 1 - Part No: 8R0 060 884 CJ
   Component: NAR 2015  1102 

   Subsystem 2 - Part No SW: 4H0 919 604 D    HW: 4H0 919 604 D
   Component: DU8 D4 SV NB  H47 0021 
   Serial number: AUZ8ZDB6900FZ6+     

   Subsystem 3 - Part No SW: 4H1 919 600 H    HW: 4H1 919 600 
   Component: E380 BDT D4  H09 0065 
   Serial number: 00000000058002      

   Subsystem 4 - Part No: 8R0 060 961 G
   Component: CD-Database  5950 

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels:. 4H0-959-795.clb
   Part No SW: 4H0 959 795 D    HW: 4H0 959 795 D
   Component: TSG HL        H06 0261  
   Revision: --------    Serial number: 0000121942038 
   Coding: 010F1F00420062C202003006
   Shop #: WSC 02313 785 00200
   VCID: 3C7C28C5BFF668AFBB-8068

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam.        Labels: 4H0-907-441.clb
   Part No SW: 4H0 907 441 A    HW: 4H0 907 441 
   Component: SG Rueckfahrkamera  0061  
   Revision: --H04---    Serial number: 525 PA8J19D05C
   Coding: 1080003
   Shop #: WSC 02391 785 00200
   VCID: 2648EAAD917AC27FFD-8072

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect. (----)       Labels:* None
   Part No SW: 4H0 959 107 P    HW: 4H0 959 107 M
   Component: HDSG-Modul    H11 0036  
   Revision: 10011001    Serial number: 117100785
   Coding: 0210044100
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_DeckLidContrUnit 001025
   ROD: EV_DeckLidContrUnit.rod
   VCID: 3B7E2BD9B2F86F97B2-806E

No fault code found.

-------------------------------------------------------------------------------
Address 6F: Centr. Conv. II (J773)       Labels:* None
   Part No SW: 4H0 907 412     HW: 4H0 907 412 
   Component: ALM           H05 0004  
   Revision: --------    Serial number: 000000051214
   Coding: 000000
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_Ambie 001008
   ROD: EV_Ambie.rod
   VCID: 63CEB3B96AC87757DA-8036

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels:. 4H0-959-795.clb
   Part No SW: 4H0 959 795 D    HW: 4H0 959 795 D
   Component: TSG HR        H06 0261  
   Revision: --------    Serial number: 0000121942017 
   Coding: 010F1F00420062C202003006
   Shop #: WSC 02313 785 00200
   VCID: 3C7C28C5BFF668AFBB-8068

No fault code found.

-------------------------------------------------------------------------------
Address 81: Gear Shift (J587)       Labels: 3Y0-927-731.clb
   Part No SW: 4H1 927 731 A    HW: 4H1 927 731 A
   Component: GSM-LL        H08 0083  
   Revision: 0L0D5013    Serial number: SN111014  0056
   ASAM Dataset: EV_GSM2x3Mono 001017
   ROD: EV_GSM2x3Mono.rod
   VCID: 2B5E1B994298FF1722-807E

No fault code found.

-------------------------------------------------------------------------------
Address 84: Night Vision (J853)       Labels:| 4H0-907-547.clb
   Part No SW: 4H0 907 547 E    HW: 4H0 907 547 
   Component: NV-ECU-Gen1   H09 0028  
   Serial number: 0K84AE40052431
   Coding: 1200
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_NightVisioGen1 001002
   ROD: EV_NightVisioGen1.rod
   VCID: 316209F160B495C718-8064

   Night vision system camera: 
   Subsystem 1 - Part No SW: 4H0 980 552 A    HW: 4H0 980 552 
   Component: NV-CAM-Gen1  H08 0007 
   Serial number: 00000000001129900607

No fault code found.

-------------------------------------------------------------------------------
Address 88: Multicont. Seat Driver (J873)       Labels:* None
   Part No SW: 4H0 907 182 H    HW: 4H0 907 182 H
   Component: IVB           H07 0042  
   Serial number: 00002603252501
   Coding: 764FF2
   Shop #: WSC 02313 785 00200
   ASAM Dataset: EV_IVBDriveSideFrnt 001003
   ROD: EV_IVBDriveSideFrnt.rod
   VCID: 2F660F89768083370E-807A

No fault code found.

-------------------------------------------------------------------------------
Address 89: Multicont. Seat Pass. (J872)       Labels:* None
   Part No SW: 4H0 907 182 H    HW: 4H0 907 182 H
   Component: IVB           H07 0042  
   Serial number: 00002603255902
   Coding: 364FF2
   Shop #: WSC 02313 785 00200
   ASAM Dataset: EV_IVBPasseSideFrnt 001003
   ROD: EV_IVBDriveSideFrnt.rod
   VCID: 2F660F89768083370E-807A

No fault code found.

-------------------------------------------------------------------------------
Address 8A: Multicont. Seat Rear,DS (J875)       Labels:* None
   Part No SW: 4H0 907 182 G    HW: 4H0 907 182 G
   Component: IVB           H08 0042  
   Serial number: 00002662136201
   Coding: 200F00
   Shop #: WSC 02313 785 00200
   ASAM Dataset: EV_IVBDriveSideRear 001003
   ROD: EV_IVBDriveSideFrnt.rod
   VCID: 2E58128D718A8A3F05-807A

No fault code found.

-------------------------------------------------------------------------------
Address 8D: Multicont. Seat Rear,PS (J874)       Labels:* None
   Part No SW: 4H0 907 182 G    HW: 4H0 907 182 G
   Component: IVB           H08 0042  
   Serial number: 00002662138802
   Coding: 200F00
   Shop #: WSC 02313 785 00200
   ASAM Dataset: EV_IVBPasseSideRear 001003
   ROD: EV_IVBDriveSideFrnt.rod
   VCID: 2E58128D718A8A3F05-807A

No fault code found.

-------------------------------------------------------------------------------
Address 8F: Pretens. Frt Left (J854)       Labels: 4H0-980-94x-RGS.clb
   Part No SW: 4H0 980 945 B    HW: 4H0 980 945 B
   Component: RGS-VL        H13 0080  
   Coding: 00060000031F030000030801424CDA010000
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_RGS_L 002004
   ROD: EV_RGS_L.rod
   VCID: 316209F160B495C718-8064

No fault code found.

-------------------------------------------------------------------------------
Address 90: Pretens. Frt Right (J855)       Labels: 4H0-980-94x-RGS.clb
   Part No SW: 4H0 980 946 B    HW: 4H0 980 946 B
   Component: RGS-VR        H13 0080  
   Coding: 00060000031F030000030801424CDA010000
   Shop #: WSC 02311 785 00200
   ASAM Dataset: EV_RGS_R 002004
   ROD: EV_RGS_R.rod
   VCID: 326006FD65B2AEDF61-8066

No fault code found.

End-------------------------(Elapsed Time: 07:23)--------------------------
 
   #3  

hellride

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Yes, I checked all fuses from the big 40A air ride supply fuse, down to the smaller fuses for all indicated air ride components. Since I've been banging my head against the wall I pulled every fuse in every panel to make sure they are all good on Saturday. The car is not in transport mode or tire change mode.

When I clear the codes, I can run a relay test and the compressor kicks in, but then turns off and shows the relay mechanical failure again. That happens when I run tests or simply turn the ignition on for a minute. I get proper supply voltage to the relay block as well, and when I close the relay manually the compressor kicks on. Unless I am underestimating the complexity of the relay, it should close by getting 12V signal to run the compressor, which is present at 11.6V to 12.2V and then pass the 12V supply voltage to the compressor which is also there at 12.1V to 12.3V.

I even questioned the 11.6V so I tested the relay with a 9V battery that is sufficient to close the circuit.
 
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Jack@European_Parts

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But what about the ground side of the relay the ECU is looking at for a resistance value?

Post a picture of WD you are using?

Ever hear of the term "asshole ground"?
 
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hellride

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I can't find the copyrights to the wiring diagrams I am using or I'd post them, but they are Alldata for said vehicle diagrams 14/1 through 14/5.

I've been using the terminals on the relay block during resistance/voltage testing according to the diagram of the relay itself. Theory if there's no proper ground or voltage I'd see degraded results on my Fluke.

I've also confirmed identical values at the module diagram 14/2 wires t18b & 13 which go to the relay.

I had to abandon my nightmare for the holiday, which is a good thing so I don't burn her to the ground from frustration. This is a tricky one where I am attempting I know the difference of asshole ground.

Next attempts, 3rd relay then ride control module replacement.
 
   #6  

Morski

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Check the main power cables that go to the compressor. The thick cables just by the compressor tend to burn out when there has been a leak due to excess current. There might be a few strands of cable still in there but not enough to power the compressor
 
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hellride

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I can get the compressor to run when I close the relay manually. It just keeps going into function shut off with the relay mechanical failure. Wires are looking good.
 
   #8  

Jack@European_Parts

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I can't find the copyrights to the wiring diagrams I am using or I'd post them, but they are Alldata for said vehicle diagrams 14/1 through 14/5.

I've been using the terminals on the relay block during resistance/voltage testing according to the diagram of the relay itself. Theory if there's no proper ground or voltage I'd see degraded results on my Fluke.

I've also confirmed identical values at the module diagram 14/2 wires t18b & 13 which go to the relay.

I had to abandon my nightmare for the holiday, which is a good thing so I don't burn her to the ground from frustration. This is a tricky one where I am attempting I know the difference of asshole ground.

Next attempts, 3rd relay then ride control module replacement.



I can get the compressor to run when I close the relay manually. It just keeps going into function shut off with the relay mechanical failure. Wires are looking good.

Is it not self evident that if the wiring is good and fuses are good than the air ride suspension controller would be in error?

Where does the 12 V come from to the relay you are missing & what fuse in WD, are you sure 12 volts is fed to the relay from the controller and does ground get switched to the relay for compressor by controller?

Are you sure you know what you are doing?

Isn't "All DATA" like "NO DATA" at all?

Is the relay the correct part number, just what part number is it?


Vehicle Identification No.WAURVAFD7CN019433
ModelAudi A8L qu. 4.2
A8Q
Date of production18.11.2011
Model year2012
Sales type4H85AA
Engine CodeCDRA
Transmission CodeMXR
Axle drive8A

Emission standard7GBEmission standard ULEV 2


-------------------------------------------------------------------------------
Address 34: Level Control (J197) Labels:. 4G0-907-553.clb
Part No SW: 4H0 907 553 C HW: 4H0 907 553
Component: LUFE-DAEMPFER H17 0096
Coding: 008000
Shop #: WSC 02311 785 00200
ASAM Dataset: EV_AirSuspe 003022
ROD: EV_AirSuspe_VW51.rod
VCID: 2C5C18854796F82F2B-8078

2 Faults Found:
358147 - Relay for Ride-Height Compressor
C1038 07 [009] - Mechanical Failure
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Reset counter: 138
Mileage: 185257 km
Date: 2019.12.22
Time: 18:11:56

403200 - Function Shut-Off Active
C10C8 00 [009] - -
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 138
Mileage: 185257 km
Date: 2019.12.22
Time: 18:11:34


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

https://i.postimg.cc/Zb978h26/CESSPOOL-AIR-RIDE.png?dl=1



CESSPOOL-AIR-RIDE.png
 
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   #9  

hellride

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Usually those darn things go belly up and result in "no communication from controller" or give you some sort of indication they are bad. I ordered one so we shall see if another relay doesn't fix it.

Relay part number 4H0-951-253 labeled as a 644. S110 is your 40A supply fuse to the J197 air ride controller, which does feed the proper signals to the relay block per the wires you circled, which close the relay and feed 12V to the compressor. Exactly what I tried to explain in my last post from the Alldata diagrams which happen to be exactly what you posted. So since we're both looking at the same thing, do I know what I am doing? :)
 
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Jack@European_Parts

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Usually those darn things go belly up and result in "no communication from controller" or give you some sort of indication they are bad. I ordered one so we shall see if another relay doesn't fix it.

Relay part number 4H0-951-253 labeled as a 644. S110 is your 40A supply fuse to the J197 air ride controller, which does feed the proper signals to the relay block per the wires you circled, which close the relay and feed 12V to the compressor. Exactly what I tried to explain in my last post from the Alldata diagrams which happen to be exactly what you posted. So since we're both looking at the same thing, do I know what I am doing?

Nope, because you are here and not already fixed!

Ordering the same relay again & after verifying it switches implies this too, no?

What is status of T18b/9 at controller directly for output & are all sub fuses to J197 check out for when checked?
 
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   #11  

Morski

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There is also another fuse apart from the 40A one. Smaller one in the same rear fuse block. Really need to have a good look through the full wiring diagrams
 
   #12  

Jack@European_Parts

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There is also another fuse apart from the 40A one. Smaller one in the same rear fuse block. Really need to have a good look through the full wiring diagrams

I think more than one other fuse huh? :rolleyes:
 
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   #13  

hellride

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I ended up towing her to Audi, who's been baffled too since every time they called me for next step I told them "been there done that". They called me today and are determined that the old compressor caused the issue, and the new after market is doing something to throw the control module for a loop. OE compressor will be in tomorrow so we shall see.

I know Jack, always buy original, but you know how many Mercedes strippers I can get for that money!?
 
   #14  

Jack@European_Parts

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I ended up towing her to Audi, who's been baffled too since every time they called me for next step I told them "been there done that". They called me today and are determined that the old compressor caused the issue, and the new after market is doing something to throw the control module for a loop. OE compressor will be in tomorrow so we shall see.

I know Jack, always buy original, but you know how many Mercedes strippers I can get for that money!?
Don't you think the alleged compressor prognosis is total bullshit and because the relay resistance is what is being measured by the suspension electronics?

If it was as they allege couldn't you fake out with resistor or decade box to qualify that speculation real fast?

Don't strippers come in different levels of quality for the money?
 
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hellride

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I stand corrected after suspecting the diagnosis to be bullshit as well waiting for a call to throw more parts at it. After silence I assumed they are banging their heads against the wall too, but part showed up this morning and just picked her up from the dealer standing tall.

He explained to me that the old and aftermarket compressor were indeed getting power and tried to pressurize the shocks, but could not produce sufficient pressure to fill the them due to an "internal pinch?" whatever that means. After a few seconds the shocks would sense no pressure build up initiating the "relay mechanical failure" thinking the compressor was not running, and after the module tried to send power to the compressor a few times with the same results it would go into "Function Shut-Off Active".

Still don't know what to do with this explanation as I couldn't hear the compressor try at all unless I fed power to it manually or closed the relay. Also looking at the fault codes the time stamps are reversed with the shut off going first, then the relay mechanical failure. I guess morale of the story since it actually fixed the problem, if all your electric looks good throw a genuine compressor at it?
 
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Jack@European_Parts

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I stand corrected after suspecting the diagnosis to be bullshit as well waiting for a call to throw more parts at it. After silence I assumed they are banging their heads against the wall too, but part showed up this morning and just picked her up from the dealer standing tall.

He explained to me that the old and aftermarket compressor were indeed getting power and tried to pressurize the shocks, but could not produce sufficient pressure to fill the them due to an "internal pinch?" whatever that means. After a few seconds the shocks would sense no pressure build up initiating the "relay mechanical failure" thinking the compressor was not running, and after the module tried to send power to the compressor a few times with the same results it would go into "Function Shut-Off Active".

Still don't know what to do with this explanation as I couldn't hear the compressor try at all unless I fed power to it manually or closed the relay. Also looking at the fault codes the time stamps are reversed with the shut off going first, then the relay mechanical failure. I guess morale of the story since it actually fixed the problem, if all your electric looks good throw a genuine compressor at it?

Still Sounds like bullshit to me, how about you? ................ :popcorn:

Did you ask them to put that in writing on RO and show you the pinch and explain it?

Did they do a wire repair or a quick wire repair and get time to replace + sell a compressor?

Did you ask them to unplug the compressor air line output and simulate and show that fault DTC appear to duplicate such malarkey?

Does this link below help?

https://en.wikipedia.org/wiki/Fraud
 
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   #17  

hellride

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I did ask for further explanation on the pinch but the tech wasn't there at the time since he couldn't explain it and honestly at that point I was just happy to get my functioning A8 back.

It did indeed sound like bullshit and still drove me crazy so I put her on the lift this morning to take a closer look. It is indeed a brand new Audi compressor and valve block which I thought wasn't on the invoice but also listed. I looked at the wiring harnesses and visible wires and there does not appear to be any repairs done. Invoice shows compressor, valve block, diag + R&R of 2.5h total.

The valve block was severely discounted which seemed to bother me and add to questioning the compressor diag. So while I was still baffled never having problems with aftermarket compressors on other cars I did put the aftermarket compressor back on and it did indeed instantly reproduce the problem. Instead of a pinch, only more reasonable theory and explanation I can come up with is the resistance value from the actual compressor read by the module making it think it's the resistance at the relay level.
 
   #18  

Jack@European_Parts

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It would not be the first time I have seen a resistance value used to circumvent an aftermarket supplier part to create a proprietary market protection, however, if that is the case, than wouldn't that supplier be on hook for all additional repairs now wouldn't they if reported to NHTSA?

Also If VAG is allegedly indicating a false fault code, do you think that might also be deemed in spirit of unfair safe repair competition and if you could prove it, it might be considered a violation of the Safe Act huh and maybe worthy of a complaint to FTC too?

Do I hear class action in distance maybe?
 
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