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Thread: 2013 A3 8P (MK2) speedo calibrate for taller tires

  1. #1
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    2013 A3 8P (MK2) speedo calibrate for taller tires

    Hi All,

    I have a 2013 A3 8p (mk2) USA-spec. Stock tires are 225/45/r17, but got new tires at 225/50/r17. So the speedo is now reading slower than actual speed.

    I searched a bit and found instructions for older model 8P's where you can change the distance impulse multiplier via long coding. I did not see that option. I also looked into adaptation channels and nothing seemed to apply. I also checked the VCDS wiki but nothing was under the adaptation section either.

    Is there a way to calibrate the speedo?

    I've posted the auto-scan below. The error for incorrect adaptation has been fixed BTW.

    Thanks.

    Alex


    Code:
    Tuesday,21,May,2019,16:05:02:37015
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
    VCDS Version: 18.9.1.0 (x64)
    Data version: 20190114 DS296.0
    www.Ross-Tech.com
    
    
    VIN: License Plate: 
    Mileage: 55610km-34554mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: FM-AU35 (7N0)
    Scan: 01 02 03 08 09 0F 15 16 17 19 25 42 44 46 47 4C 52 55 56 62
              72 77
    
    VIN: WAUKJAFM8DA027756   Mileage: 55610km-34554miles
    
    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
    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: None
       Part No SW: 03L 997 030 A    HW: 03L 906 019 EJ
       Component: R4 2.0l TDI G000AG  9983  
       Revision: 12H15---    Serial number: AUX7Z0L6FNP05N
       Coding: 0050078
       Shop #: WSC 46531 003 1048576
       VCID: 2C5CF9E78F9BA02A51-8078
    
    No fault code found.
    Readiness: 0 0 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans        Labels: 02E-927-770.clb
       Part No SW: 02E 300 062 B    HW: 02E 927 770 AL
       Component: GSG DSG AG6     512 9430  
       Revision: 05551213    Serial number: 00001207062401
       Coding: 0000020
       Shop #: WSC 06314 000 00000
       VCID: 142C410737EB18EA69-8040
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1F.clb
       Part No SW: 1K0 907 379 BL    HW: 1K0 907 379 BL
       Component: ESP MK60EC1   H31 0152  
       Revision: 00H31001    
       Coding: 1150400F49240001881202E9921F0042BF0C00
       Shop #: WSC 06314 000 00000
       VCID: 7DFA04A3E461F9A2B6-8028
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 8P0-820-043.lbl
       Part No SW: 8P0 820 043 BN    HW: 8P0 820 043 BN
       Component: KlimavollautomatH09 0180  
       Revision: 000112      Serial number: 8P0820043BN   
       Shop #: WSC 00000 000 00000
       VCID: 79F210B33049C5829A-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   111 0719  
       Revision: AM111715    
       Coding: 6E000A0FA01336E4287241E000100D4D401E62AA104DD128E40008840040
       Shop #: WSC 46531 003 1048576
       VCID: 4280B75FDD1F465A8B-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
    
       Subsystem 2 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HO  H05 1501 
    
    1 Fault Found:
    01598 - Drive Battery Voltage 
                011 - Open Circuit - Intermittent
                 Freeze Frame:
                        Fault Status: 00101011
                        Fault Priority: 6
                        Fault Frequency: 1
                        Reset counter: 188
                        Mileage: 55611 km
                        Time Indication: 0
                        Date: 2017.12.24
                        Time: 23:24:18
    
                 Freeze Frame:
                            Term 15 On
                        Voltage: 13.35 V
                            ON
                            ON
                            Term 50 Off
                            OFF
                            ON
    
    
    -------------------------------------------------------------------------------
    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: AUZ4Z7M0619511
       Coding: 0000100
       Shop #: WSC 06314 000 00000
       VCID: 3668DB8F41D7EAFA37-8062
    
    1 Fault Found:
    02635 - Tuner Not Enabled/Activated 
                000 -  -  - Intermittent
                 Freeze Frame:
                        Fault Status: 00100000
                        Fault Priority: 7
                        Fault Frequency: 1
                        Reset counter: 183
                        Mileage: 55551 km
                        Time Indication: 0
                        Date: 2017.12.06
                        Time: 18:35:38
    
    
    -------------------------------------------------------------------------------
    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 H10 0250  
       Revision: --------    Serial number: 003FC001UFZP
       Coding: 303142393041303030374A55304C38503053
       Shop #: WSC 06314 000 00000
       ASAM Dataset: EV_Airba10AURB4 001001
       ROD: EV_Airba10AURB4.rod
       VCID: 50A48D170B73A4CA0D-8004
    
       Seat occupied recognition: 
       Subsystem 1 - Part No SW: 8P0 959 339 E    HW: 8P0 959 339 E
       Component: BF-Gewichtss.  H04 0040 
       Serial number: 5850000R12628018GL
       Coding: 000000
    
       Crash sensor for side airbag: driver side: 
       Serial number: 3572DRB40000EC1861B$
    
       Crash sensor for side airbag: front passenger side: 
       Serial number: 3582DRB40000EB4D11E2
    
       Crash sensor for side airbag: rear: driver side: 
       Serial number: 35128RB400006C8FAFDB
    
       Crash sensor for side airbag: rear: passenger side: 
       Serial number: 35228RB400006C90DE2W
    
       Crash sensor for front airbag: driver side: 
       Serial number: 35547RB400006C9654BX
    
       Crash sensor for front airbag: front passenger side: 
       Serial number: 35647RB400006C9410DQ
    
    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           H38 0070  
       Coding: 0014142
       Shop #: WSC 06314 000 00000
       VCID: 4688AB4F31377A7AA7-8012
    
       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 L    HW: 8P0 920 983 L
       Component: KOMBIINSTR. VDO H03 0360  
       Revision: D0H03004    Serial number: 2246L004001599
       Coding: 0272288
       Shop #: WSC 04153 002 1048576
       VCID: 438EB25B02054F5280-8016
    
    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: 55551 km
                        Time Indication: 0
                        Date: 2017.12.06
                        Time: 18:35:26
    
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
       Part No SW: 7N0 907 530 R    HW: 7N0 907 530 H
       Component: J533  Gateway H42 1632  
       Revision:   H42       Serial number: 250612F2002357
       Coding: 352102
       Shop #: WSC 06314 000 00000
       VCID: 3F86BEABAEED2BB2E4-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
       Part No SW: 8P0 920 983 L    HW: 8P0 920 983 L
       Component: KOMBIINSTR. VDO H03 0360  
       Revision: D0H03004    Serial number: AUX7Z0L6FNP05N
       Shop #: WSC 00000 000 00000
       VCID: 438EB25B02054F5280-8016
    
    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: 0001213
       Shop #: WSC 06314 000 00000
       VCID: 4992A073202995024A-801C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
       Part No: 1K0 909 144 P
       Component: EPS_ZFLS Kl. 232    3305  
       Revision: 00H22000    
       Shop #: WSC 02069 000 90108
       VCID: 3776D68B46DD13F22C-8062
    
    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: 92158230715599
       Shop #: WSC 00000 000 00000
       VCID: 3668DB8F41D7EAFA37-8062
    
    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: 0001213
       Shop #: WSC 06314 000 00000
       VCID: 4A909F7F252F9E1A43-801E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range (J431)       Labels:| 8X0-907-357.clb
       Part No SW: 8X0 907 357 C    HW: 8X0 907 357 B
       Component: ****LWR12**** H02 0012  
       Serial number: 120718-0002-103
       Coding: 1163951010020000
       Shop #: WSC 06314 000 00000
       ASAM Dataset: EV_HeadlRegulBasic 005001
       ROD: EV_HeadlRegulBasic.rod
       VCID: 4280B75FD51F465A8B-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 8J0-035-1xx-56.clb
       Part No SW: 8P0 035 186 AC    HW: 8P0 035 186 AC
       Component: R Concert2+     H06 0293  
       Revision: 00H06000    Serial number: AUZ1Z3M3148073
       Coding: 0750112
       Shop #: WSC 06314 000 00000
       VCID: 73EE229B1225BFD2D0-8026
    
    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: 4280B75F1D1F465A8B-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: 438EB25B02054F5280-8016
    
    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: 00000005173676
       Coding: 0001277
       Shop #: WSC 06314 000 00000
       VCID: 3668DB8F41D7EAFA37-8062
    
    No fault code found.
    
    End-------------------------(Elapsed Time: 02:31)--------------------------

  2. #2
    Benevolent Dictator Uwe's Avatar
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    Nope. VW/Audi has never made a provision to "calibrate" speedometers for different tire sizes via the diagnostic API. The old "distance impulse" stuff was there primarily for different transmissions / gearing options, not different tire sizes. But that was also generally on cars that had actual vehicle speed sensors in the transmission. I'm pretty confident your car has no such sensor. Instead, the ABS calculates vehicle speed using some sort of algorithm that looks at all four wheel speed sensors, which makes gearing irrelevant.

    That said, there is a documented coding bit in your cluster for "2nd Tire Circumference Pair (e.g. Winter Tires)", but I have no idea what effect this will have. If you wish to try that, change your instrument cluster's coding from 0272288 to 0280288.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  3. #3
    Verified VCDS User NZDubNurd's Avatar
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    VW?Audi don't like to make stuff easy for us On our Old E39 BMW, I could just type in the "error" i wanted

    After all the mucking around with clusters in my car, and trying to change the EEPROMS etc... I just moved the needle
    Allan
    The R32ran Thread
    How to post a full Auto-Scan
    "Duct tape can't fix stupid, but it can muffle the sound"

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