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Thread: Basic Settings Group Error on F83 Brake Detection Switch

  1. #1
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    Question Basic Settings Group Error on F83 Brake Detection Switch

    Hi folks,
    Thanks for having me.

    On my APY Engine 2000 Audi S3 8L am trying to run the Diagnostics for the F83 Brake Detection Switch in the ABS/ESP module.
    Sadly Group 031 in the Basic Settings is not available. Anyone came across the same issue?

    Here is a little background. My car has an ESP error with number 00812, Solenoid error F84. ABS still works fine.

    -------------------------------------------------------------------------------
    Address 03: ABS Brakes Labels: None
    Controller: 8N0 907 379 E
    Component: ESP 20 CAN V004
    Coding: 18448
    Shop #: WSC 06435
    VCID: 3E0F4581296F
    1 Fault Found:
    00812 - Brake Pressure Release Solenoid (F84)
    35-00 - -
    -------------------------------------------------------------------------------

    I already replaced the Brake Pedal switch and also the entire Brake Servo/Booster but the error still exists so I suspect a wiring fault somewhere.
    I have no other errors anywhere! Both Brake Pressure Sensors work fine and values are spot on, the Brake Pedal Switch reports operated or not operated in the Measuring Blocks, the F83 just says 'Activated'.

    Reading through ELSA I came across the "Checking functions of the brake detection switch, ESP F83" method you can execute on the VAS 5051 A, which should be executed on Brake Servo swap.

    I can go into "04 - Basic Settings" of the ABS/ESP module in VCDS/VAG-COM but all the groups written in ELSA (031-032-033) of this systems check error out with "Group Error".
    Does anyone know the correct group I need to execute or is there something wrong elsewhere?
    Like mentioned, no other errors anywhere in the car, autoscan is perfectly clean.

    Thanks!

    P.s. If anyone asks about the coding, the 18448 is correct. The ITT Mark 20 on the S3 has 2 dedicated codes for the APY and BAM egine, which is 18448.
    I have been dealing with this error since 2 years already but i am determined to figure out what's going on ...
    Last edited by oppersnokker; 01-07-2020 at 03:39 AM.

  2. #2
    Verified VCDS User PetrolDave's Avatar
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    It will be easier if you post the full VCDS-Lite scan please.

  3. #3
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    Not sure why that would help, there are no other errors but here it is:

    Code:
    Chassis Type: 8L - Audi A3/S3
    Scan: 01,03,08,15,17,22,35,45,55
     
    -------------------------------------------------------------------------------
    Address 01: Engine       Labels: 06A-906-032-APX.LBL
       Controller: 8L0 906 018 N
       Component: 1.8L R4/5VT     G   0002
       Coding: 05710
       Shop #: WSC 00427
       VCID: 3A0749913547
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes       Labels: None
       Controller: 8N0 907 379 E
       Component: ESP     20    CAN  V004 
       Coding: 18448
       Shop #: WSC 06435
       VCID: 3E0F4581296F
    1 Fault Found:
    00812 -  Brake Pressure Release Solenoid (F84)
                35-00 -   -
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC       Labels: 8L0-820-043-2D.LBL
       Controller: 8L0 820 043 M
       Component: A3 KLIMAVOLLAUTOMAT_D77
       Coding: 03140
       Shop #: WSC 06435
       VCID: 321761B1ED37
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags       Labels: 8L0-959-655-AI8.LBL
       Controller: 8L0 959 655 G
       Component: Airbag Front+Seite 2008
       Coding: 00104
       Shop #: WSC 06435
       VCID: 42F731715D97
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments       Labels: 8L0-920-xxx-17.LBL
       Controller: 8L0 920 930 F
       Component: AB-KOMBIINSTR. VDO D09 
       Coding: 01144
       Shop #: WSC 00000
       VCID: 31156EBDE831
            AUZ7Z0Y1458851
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 22: AWD       Labels: 02D-900-554.LBL
       Controller: 02D 900 554 B
       Component: HALDEX LSC  ECC     0006
       VCID: 1F3198058EA5
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 35: Centr. Locks       Labels: 8D0-862-257.LBL
       Controller: 8L0 862 257 G
       Component: ZV-Pumpe, DWA, Funk D11
       Coding: 15178
       Shop #: WSC 06435
       VCID: 3905569D3041
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 45: Inter. Monitor       Labels: 4B0-951-173.LBL
       Controller: 4B0 951 173 
       Component: Innenraumueberw.    D03
       Coding: 00001
       Shop #: WSC 00000
       VCID: E0B35BF9735B
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Xenon Range       Labels: 4B0-907-357-AUT.LBL
       Controller: 4B0 907 357 
       Component: LEUCHTWEITEREGLER  D004
       Coding: 00002
       Shop #: WSC 06435
       VCID: E5BD4AED6C79
    No fault code found.
    
    End   --------------------------------------------------------------------------------------------------

  4. #4
    NostraJackAss Jack@European_Parts's Avatar
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    Did you check wiring harness yet?
    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  6. #5
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    Not really specifically. When I replaced the Brake Booster I made sure they all sit snug but it's a bitch to reach so I failed to really clean everything and measure all the conductors. But I guess I need to take it all out again and have a root around.

  7. #6
    NostraJackAss Jack@European_Parts's Avatar
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    Better get out WD & load light out huh or change a module?

    Last edited by Jack@European_Parts; 01-07-2020 at 10:49 AM.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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  9. #7
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    Yup. If that fails, the small loom is available, the bit that hooks up to the Booster and the Master. Part number is 1J0971008. Maybe need to source that one too. I hope it's not on the ABS module side since that pump is too expensive.

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