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No Response From ABS controller?

Discussion in 'VCDS (formerly VAG-COM) forum' started by ssbnreso, Jan 11, 2010.

  1. ssbnreso
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    ssbnreso Member

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    [Jan 11, 2010]
    Ran a fault code check on my '97 a3 1.8 as abs light had come on. Showed a fault with front nearside sensor.

    Replaced this and now when i plug the vag com cable in in cannot connect/find the abs controller?

    Could the two be connected?

    :sorry:
    #1
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  3. bearthebruce
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    bearthebruce Ross-Tech, LLC

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    [Jan 12, 2010]
    Got power to the ABS controller? Did you check the fuse? Could be that the ABS module went belly up. Did you do anything else when this happened? Could a wire have been damaged during the install of the sensor?
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  4. ssbnreso
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    ssbnreso Member

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    [Jan 12, 2010]
    Thanks or the reply.

    fuses all ok. simply changed the sensor nothing else!
    now abs light still on and big red brake warning light on in central display, this only comes on when you drive away?
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  5. bearthebruce
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    bearthebruce Ross-Tech, LLC

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    [Jan 12, 2010]
    Post an autoscan of the car - maybe that will give us some clues. Also, go the [Options] screen and perform [Test]. Report what you learn from the test. Last, tell us the type of interface and the version of the software you are using. Maybe something in that will give us a clue that might help.
    #4
  6. ssbnreso
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    ssbnreso Member

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    [Jan 13, 2010]
    Hello, this is the autoscan results:

    VAG-COM Version: Release 409.1-S

    Chassis Type: 8L - Audi A3/S3
    Scan: 01,02,03,08,15,17,22,35,37,45,54,55,56

    -------------------------------------------------------------------------------
    Address 01: Engine
    Controller: 06A 906 018 C
    Component: 1,8l R4/5V MOTR HS V05
    Coding: 04000
    Shop #: WSC 06313
    1 Fault Found:
    17936 - Camshaft Timing Adj. Bank1 (N205): Open Circuit
    P1528 - 35-00 - -
    Readiness: 0000 0000
    -------------------------------------------------------------------------------
    Skipping Address 15-Airbags
    -------------------------------------------------------------------------------
    Address 17: Instruments
    Controller: 8L0 919 930 A
    Component: AB-KOMBIINSTR. VDO D15
    Coding: 04442
    Shop #: WSC 00000
    IMMO-IDENTNR: AUZ7Z0T0059548
    No fault code found.


    Did a test and that came back as ok port found etc

    Cable is a blue one from ebay and vagcom is the shareware version 409.1-s

    I'd ran test before and it picked up abs module no bother hence how i found out about sensor

    Thanks for your help:icon_thumright:
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  7. bearthebruce
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    bearthebruce Ross-Tech, LLC

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    [Jan 14, 2010]
    The test should have indicated K1 ok, K2 ok - did it? I don't know that I would say the ABS controller is toast based on this scan and your aftermarket wire. Why don't you see if you can find someone with one of our genuine RT interfaces running a full version of the program. If it will not talk to the ABS, then we might be talking toast.
    Last edited: Jan 14, 2010
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  8. ssbnreso
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    ssbnreso Member

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    [Jan 14, 2010]
    HI,
    Ran test again result as follows~:

    Port status:OK
    Interface: Found!
    Type: Serial Pass-Through
    Opto/Iso: No
    Ross-tech Design: No


    Went through all the other modules ie engine, centrol locking, instruments, immobilizer etc and it reads these all ok?

    It's only the ABS module that it gets no response from?

    Once again thanks for your help!
    #7
  9. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Jan 15, 2010]
    I would disconnect the repaired abs sensor & see if the controller works then, as this is the last action you did on the car before it went tits up, could be a short on that sensor connection thats knocking or knocked out your abs controller mate.
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  10. ssbnreso
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    ssbnreso Member

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    [Jan 15, 2010]
    Will give it a go:o.k:
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  11. ssbnreso
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    ssbnreso Member

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    [Jan 15, 2010]
    Well got it sorted

    Don't know what i did but both lights are now out and abs controller is talking again

    Just took fuses out and diconnected ecu and pluged back in!:rockwoot:

    Showing a intermittent fault on right front sensor now though (changed left)

    Think i'll leave it for the minute unless orange abs light comes on. Don't want to tempt fate:happy:
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  12. NHN
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    [Jan 16, 2010]
    Check the connections & clean up all the abs sensors, brake dust clogs around sensor & can inadvertedly cause errors at times, you should rectify the right side now mate not later as if thats not working properly, it could make the whole system function incorrectly.
    #11
  13. ssbnreso
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    ssbnreso Member

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    [Jan 16, 2010]
    Ordered one today :beerchug:
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