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Thread: 2012 Audi TDI with Alarm Horn issue

  1. #1
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    2012 Audi TDI with Alarm Horn issue

    Hi all,

    I few days ago I realized that my car's key fob is starting to get finicky. I would need to stand close to the car before it would respond and then it stopped making the beep/horn sound when I lock it. The doors would still lock and unlock fine.

    Just really bothered that it is not working like before.

    The only thing I can't think of is the:

    01134 - Alarm Horn (H12)
    004 - No Signal/Communication

    I checked all the fuse, no issues there. So maybe the horn just went dead? If that is the case, is it easy to replace? Where is it located?

    Any input is highly appreciated.

    Attached is the VCDS.

    Code:
    Wednesday,25,March,2020,10:35:31:32299
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 19.6.2.2 (x64)
    Data version: 20200210 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WAUKJAFMXCA021830   License Plate: AUDI BLK 4
    Mileage: 142310km-88427mi   Repair Order: 
    
    
    Chassis Type: FM-AU35 (7N0)
    Scan: 01 02 03 08 09 0F 15 16 17 19 25 2E 37 42 44 46 47 4C 52 55
              56 62 72 77
    
    VIN: WAUKJAFMXCA021830   Mileage: 142310km-88427miles
    
    01-Engine -- Status: OK 0000
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- Status: Malfunction 0010
    0F-Digital Radio -- Status: Malfunction 0010
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: Malfunction 0010
    19-CAN Gateway -- Status: OK 0000
    25-Immobilizer -- Status: OK 0000
    2E-Media Player 3 -- Status: OK 0000
    37-Navigation -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    46-Central Conv. -- Status: OK 0000
    47-Sound System -- Status: OK 0000
    4C-Tire Pressure II -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    55-Headlight Range -- Status: OK 0000
    56-Radio -- Status: OK 0000
    62-Door, Rear Left -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    77-Telephone -- Status: OK 0000
     
    -------------------------------------------------------------------------------
    Address 01: Engine (CBE)       Labels: 03L-906-022-CBE.clb
       Part No SW: 03L 997 030 A    HW: 03L 906 019 EJ
       Component: R4 2.0l TDI G000AG  9983  
       Revision: 12H14---    Serial number: AUX7Z0K6FN405E
       Coding: 0050078
       Shop #: WSC 09101 003 1048576
       VCID: 2C576E9F8F751C2F29-8078
    
    No fault code found.
    Readiness: 0 0 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans        Labels: 02E-927-770.clb
       Part No SW: 02E 300 057 A    HW: 02E 927 770 AL
       Component: GSG DSG AG6     511 9334  
       Revision: 05351113    Serial number: 00001106171316
       Coding: 0000020
       Shop #: WSC 06314 000 00000
       VCID: 173DA17326F38FF774-8042
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1F.clb
       Part No SW: 1K0 907 379 BJ    HW: 1K0 907 379 BJ
       Component: ESP MK60EC1   H31 0121  
       Revision: 00H31001    
       Coding: 1150400F492400FB881302E792190042BF0C00
       Shop #: WSC 06314 000 00000
       VCID: 7BF59DC3FA9B4B97F0-802E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 8P0-820-043.lbl
       Part No SW: 8P0 820 043 BM    HW: 8P0 820 043 BM
       Component: KlimavollautomatH09 0180  
       Revision: 000316      Serial number: 8P0820043BM   
       Shop #: WSC 00000 000 00000
       VCID: 78FF82CF0BAD608F9D-802C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 8P0-907-063.clb
       Part No SW: 8P0 907 063 Q    HW: 8P0 907 063 Q
       Component: BCM PQ35  M   110 0719  
       Revision: 00110 AF    
       Coding: 6E000A0FA01336E4287241E000100D4D401E62AA104DD128E40008840040
       Shop #: WSC 09101 003 1048576
       VCID: 428B2027DDF1FA5FF3-8016
    
       Subsystem 1 - Part No SW: 8P1 955 119 F    HW: 8P1 955 119 F  Labels: 1KX-955-119.CLB
       Component: Wischer AU350  H11 0050 
       Coding: 00DD13
    
    1 Fault Found:
    01134 - Alarm Horn (H12) 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 4
                        Fault Frequency: 1
                        Reset counter: 155
                        Mileage: 142310 km
                        Time Indication: 0
                        Date: 2020.03.24
                        Time: 10:29:19
    
                 Freeze Frame:
                            Term 15 On
                        Voltage: 13.55 V
                            ON
                            ON
                            Term 50 Off
                            OFF
                            OFF
    
    
    -------------------------------------------------------------------------------
    Address 0F: Digital Radio        Labels: 8E0-035-593-SIR.lbl
       Part No SW: 8E0 035 593 P    HW: 8E0 035 593 P
       Component: SDAR SIRIUS     H07 0160  
       Revision: 00000000    Serial number: AUZ4Z7L0599620
       Coding: 0000100
       Shop #: WSC 06314 000 00000
       VCID: 36634CF7413956FF4F-8062
    
    1 Fault Found:
    02635 - Tuner Not Enabled/Activated 
                000 - -
                 Freeze Frame:
                        Fault Status: 01100000
                        Fault Priority: 7
                        Fault Frequency: 1
                        Reset counter: 155
                        Mileage: 142310 km
                        Time Indication: 0
                        Date: 2020.03.24
                        Time: 10:29:30
    
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:* 8P0-959-655-10.clb
       Part No SW: 8P0 959 655 Q    HW: 8P0 959 655 Q
       Component: Airbag AU1042 H09 0250  
       Revision: --------    Serial number: 003FC001G5PY
       Coding: 303142393041303030374A55304C38503053
       Shop #: WSC 06314 000 00000
       ASAM Dataset: EV_Airba10AURB4 001001
       ROD: EV_Airba10AURB4.rod
       VCID: 50AF1A6F0B9D18CF75-8004
    
       Seat occupied recognition: 
       Subsystem 1 - Part No SW: 8P0 910 339 C    HW: 8P0 959 339 C
       Component: BF-Gewichtss.  H02 0030 
       Serial number: 5810000R0000005HJR
       Coding: 000000
    
       Crash sensor for side airbag: driver side: 
       Serial number: 3572DRB40000DBBD31C7
    
       Crash sensor for side airbag: front passenger side: 
       Serial number: 3582DRB40000DBC05A4%
    
       Crash sensor for side airbag: rear: driver side: 
       Serial number: 35128RB4000061D8873L
    
       Crash sensor for side airbag: rear: passenger side: 
       Serial number: 35228RB4000063C89BF/
    
       Crash sensor for front airbag: driver side: 
       Serial number: 35547RB40000653665FQ
    
       Crash sensor for front airbag: front passenger side: 
       Serial number: 35647RB40000653FD44V
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 8P0-953-549.lbl
       Part No SW: 8P0 953 549 K    HW: 8P0 953 549 K
       Component: J0527           H37 0070  
       Coding: 0014142
       Shop #: WSC 06314 000 00000
       VCID: 46833C3731D9C67FDF-8012
    
       Subsystem 1 - Part No: XXXXXXXXXXX 
       Component: E0221           H02 0100
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 8P0-920-xxx-17-MY8.clb
       Part No SW: 8P0 920 983 D    HW: 8P0 920 983 D
       Component: KOMBIINSTR. VDO H02 0150  
       Revision: D0H02002    Serial number: 2246K002000714
       Coding: 0272288
       Shop #: WSC 12345 123 12345
       VCID: 3B755DC37A1B8B97B0-806E
    
    1 Fault Found:
    00003 - Control Module 
                005 - No or Incorrect Basic Setting / Adaptation
                 Freeze Frame:
                        Fault Status: 01100101
                        Fault Priority: 6
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 142310 km
                        Time Indication: 0
                        Date: 2020.03.24
                        Time: 10:29:18
    
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
       Part No SW: 7N0 907 530 H    HW: 1K0 907 951 
       Component: J533  Gateway H42 1620  
       Revision:   H42       Serial number: 080611F2003050
       Coding: 352102
       Shop #: WSC 06314 000 00000
       VCID: 35614BFB9C3F5DE746-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
       Part No SW: 8P0 920 983 D    HW: 8P0 920 983 D
       Component: KOMBIINSTR. VDO H02 0150  
       Revision: D0H02002    Serial number: AUX7Z0K6FN405E
       Shop #: WSC 00000 000 00000
       VCID: 3B755DC37A1B8B97B0-806E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 2E: Media Player 3 (R199)       Labels:. 8T0-035-785.clb
       Part No SW: 8P0 035 785     HW: 8P0 035 785 
       Component: SG ext.Player H08 0100  
       Revision: 00000000    
       Coding: 020302
       Shop #: WSC 06314 000 00000
       VCID: 74E7B6FFD7C504EFB1-8020
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 37: Navigation        Labels: 8E0-035-192-RNSE.clb
       Part No SW: 8P0 035 193 F    HW: 8P0 035 193 F
       Component: RNS-E PU US     H06 0210  
       Revision: 0000013S    Serial number: AUZBZ7LD700535
       Coding: 0205645
       Shop #: WSC 22129 444 10246
       VCID: 336575E3524B43D768-8066
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels: 8P0-959-801-MIN3.lbl
       Part No SW: 8P0 959 801 Q    HW: 8P0 959 801 Q
       Component: Tuer-SG         H04 0101  
       Coding: 0001181
       Shop #: WSC 06314 000 00000
       VCID: 4999370B20C7290732-801C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
       Part No: 1K0 909 144 M
       Component: EPS_ZFLS Kl. 232    3201  
       Revision: 00H20000    
       Shop #: WSC 02069 000 90108
       VCID: 346776FF574544EF71-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 47: Sound System        Labels: 8Px-035-382.lbl
       Part No SW: 8P4 035 382 E    HW: 8P4 035 382 E
       Component: AB2 SUBWOOFERBOXH07 0180  
       Revision: 00006       Serial number: 92158120769169
       Shop #: WSC 00000 000 00000
       VCID: 36634CF7413956FF4F-8062
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels:. 1K0-959-702-MIN3.clb
       Part No SW: 8P0 959 802 Q    HW: 8P0 959 802 Q
       Component: Tuer-SG         H04 0101  
       Coding: 0001181
       Shop #: WSC 06314 000 00000
       VCID: 4A9B080725C1221F3B-801E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range        Labels: 8P0-907-357.lbl
       Part No: 8P3 907 357 B
       Component: Dynamische LWR  H01 0010  
       Revision: 00000001    Serial number:               
       Coding: 0000013
       Shop #: WSC 06314 000 00000
       VCID: 3C775EDF7F158CAFB9-8068
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 8E0-035-192-RNSE.clb
       Part No SW: 8P0 035 193 F    HW: 8P0 035 193 F
       Component: RNS-E PU US     H06 0210  
       Revision: 0000013S    Serial number: AUZBZ7LD700535
       Coding: 0205645
       Shop #: WSC 22129 444 10246
       VCID: 336575E3524B43D768-8066
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left        Labels: 8P4-959-801.lbl
       Part No SW: 8P4 959 801 F    HW: 8P4 959 801 F
       Component: Tuer-SG         H04 0050  
       Coding: 0001176
       Shop #: WSC 06314 000 1012544
       VCID: 428B20271DF1FA5FF3-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right        Labels: 8P4-959-802.lbl
       Part No SW: 8P4 959 802 F    HW: 8P4 959 802 F
       Component: Tuer-SG         H04 0050  
       Coding: 0001176
       Shop #: WSC 06314 000 1012544
       VCID: 4385252302EBF357F8-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 77: Telephone        Labels: 8P0-862-335.lbl
       Part No SW: 8P1 862 336 A    HW: 8P1 862 336 
       Component: FSE_256x BT     H44 0660  
       Revision: 00000000    Serial number: 00000005154150
       Coding: 0011477
       Shop #: WSC 06314 000 00000
       VCID: 36634CF7413956FF4F-8062
    
    No fault code found.
    
    End-------------------------(Elapsed Time: 02:35)--------------------------

  2. #2
    Ross-Tech Employee DrPeter's Avatar
    Join Date
    Jan 2014
    Location
    16.4905 S, 151.7375 W
    Posts
    1,308
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    Hello,

    The H12 is actually an electronic siren, not a simple horn (3 wire vs. 2 wire). Typically on the A3's it is located in the rear area of the front right wheel housing.

    You can perform an [Output Tests - 03] on the J519 / [09-Cent. Elect.] controller to see if it is still functional. The H12 is part of a LIN Bus of the J519, see the Official Factory Repair Information for more repair information and component locations.

    The part number looks like it has superseded to a [1K0-951-605-F]. You can use an internet search of that part number to see what the H12 looks like.

    They are easy to replace and do not require any special procedures with VCDS other than clearing the codes. That is if the H12 has failed, also check the wiring/connections for damage, rodent bites, etc.

    Hope this helps,

    drpeter

  3. #3
    Verified VCDS User
    Join Date
    Jan 2016
    Location
    USA
    Posts
    7
    Post Thanks / Like
    I did the Output Tests as described above and the results were No Communication. Does that mean that electronic siren is dead?

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