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  1. #1
    jcb
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    ABS gurus required

    have the dreaded ABS light.
    VAGCOM sees nothing. I don't mean "no faults"...I mean nothing.
    Am I being paranoid or does that mean the ABS controller is dead?

    where is it and how can I check?
    could this be disabled with a blown fuse? (no I haven't checked that yet, its dark outside!)

    how much is a new one likely to set me back?
    Bloody MOT is up next week!

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  3. #2
    2000 a4 1.8tqs-yellow

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    sounds like it is the module on the pump if it cant comunicate with it. can send it away and get it fixed for about 100. you might get a second hand one but these ones seem to be hard to come by. i had the same problem a while ago.

  4. #3
    jcb
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    ******.
    seem to remember your post.
    faffy job is it?
    off the road whilst out?

  5. #4
    2000 a4 1.8tqs-yellow

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    nah not bad to do. you get in by removing the passanger side splash quard and moving the washer bottle out the way. you dont have to remove the splash gaurd completly but petty much. you can still use it with the module bit removed.

  6. #5
    "Stick a V8 in it!"

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    check the fuse first though!

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  7. #6
    Broken Byzan's Avatar
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    If the fuse was gone, there would be no lights up on the dash IIRC

  8. #7
    jcb
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    definitely lights in the dash!
    more lights than Blackpool illuminations!

    sounds like a replacement to me.

    will let you know

  9. #8
    "Stick a V8 in it!"

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    and the most annoying BEEEEP BEEEEEP BEEEEEEEEP when you turn the ignition on

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  10. #9
    NHN
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    Yeah I'd 2nd that, beeeeeeeeeeeeeeeeeeeeeeeeeeppppppppppp, shut the feck up, lol

    Yeah if you cant communicate, then its either a fuse, wiring or unit gone, cant be anything else, I'd look at the cheapest 1st of course, fuse, wiring then unit, even possibly its got water into the connections (unlikely, but not impossible) thats got corroded, but given time of year wouldnt rule it out, get meter on wires incase its been damaged further up the line.

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

  11. #10
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    I had the same problem back in May (should be some pictures too)

    S4 ABS ECU thingamy and flasher relay.

  12. #11
    jcb
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    nice one thanks.
    will have bash at that.

    ETKA gurus:
    Will a ABS module from a 97 V6 Quattro fit my 99 1.8t Quattro?

  13. #12
    "Stick a V8 in it!"

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    You need to check/compare the part numbers.

    It will depend on what features both cars have.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  14. #13
    Broken Byzan's Avatar
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    Doubt it would work, do they have EDL?

  15. #14
    "Stick a V8 in it!"

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    All quattros have EDL.

    They changed the ABS pump sometime around then though.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  16. #15
    jcb
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    WTF is EDL?

  17. #16
    "Stick a V8 in it!"

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    electronic Diff lock

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  18. #17
    Broken Byzan's Avatar
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    it jams the brakes on at the spinning wheel to keep it in check to push power to other wheels.



    I think,lol

  19. #18
    "Stick a V8 in it!"

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    it acts across each axle to try and replicate what a locking diff would do if it was fitted in the front/rear axles.

    So if the rear left spins up for example, it will apply the brakes on that wheel, to attempt to transfer some more torque to the other side.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  20. #19
    jcb
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    Well, I finally got round to whipping the ABS controller off, sent it to BBA on Tuesday night, received Wednesday with no promise I would see it again before the following Tuesday.
    Get a call Friday, its done, UPS 24 hour service and it arrived this morning.
    fastest ABS Controller fitment and all lights have gone.

    big hand for BBA, not only did they turn it around in 2 and a half days. they went out of their way to get it back to me before I go away for a week.

  21. #20
    Broken Byzan's Avatar
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    Wicked news ED, was it expensive?

  22. #21
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    Good aren't they

  23. #22
    jcb
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    100, 2yr guarantee
    baaargain

  24. #23
    aidank1981's Avatar
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    i did this through a local mechanic last year, admittitly the guys an idiot as i've later found! he head scratched and prophised about doom an audi gloom so i took her to AmD, new maf new cats an she was a flyin machine again? pretty predictable i thought...
    Anyway same story sent the unit away replaced it etc everything seemed fine till today yet again that F*ckin bbbeeeeeeeeeepppppppp an the annoying ABS light....i know they all seem bad but is a recoditioned unit any less liable to fail or is this gona be a yearly project? first time round it would happen maybe every other time i started her now its gone from fine to rock solid....
    she's only done a couple oh hundred miles since it happened last! she's been sittin in a heated garage since december we the optimiser on....

    is this just a typical new unit job? i'll check the fuse/wiring/vagcom next but isnt looking good??
    Any glints of hope here lads or same over again?
    Audi S4 Black on Black. 1999(T)facelift, Aluminium Mirrors, KW Varient 3 coilovers, AmD remap, uprated D/V's, 315bhp375Lb/ft torque, milltek down, 100cpsi cats an back, S4 B6 18" Oem runnin toyo T1-R's. Rs4 B5 front brakes still to fit...


  25. #24
    "Stick a V8 in it!"

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    Check with vagcom first. If theres no response from the controller its a module fault

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  26. #25
    aidank1981's Avatar
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    gettin hope from this guarantee info... will have to see who servised my unit and see if they offer anything....
    Audi S4 Black on Black. 1999(T)facelift, Aluminium Mirrors, KW Varient 3 coilovers, AmD remap, uprated D/V's, 315bhp375Lb/ft torque, milltek down, 100cpsi cats an back, S4 B6 18" Oem runnin toyo T1-R's. Rs4 B5 front brakes still to fit...


 

 

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