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Thread: ABS issues

  1. #11
    Join Date
    May 2005
    Location
    Melbourne, Mexico
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    Users Country Flag

    If the engine is running the battery won't affect the operation of the electrics in the car.

  2. #12
    Join Date
    Jul 2007
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    Brissy
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    Quote Originally Posted by h100vw View Post
    If the engine is running the battery won't affect the operation of the electrics in the car.
    Unless the alternator is dead or not putting out enough amps, but then the car would die shortly after all those warnings.

    Given the OP says "tyre pressure, esp, steering and abs light" these are all related as they would be controlled from a common module.
    But until a scan is performed it is just too hard to say.
    MK4 GTI - Sold
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    MK5 Jetta 2.Slow - Until it dies.

  3. #13
    Join Date
    Mar 2009
    Location
    Melbourne
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    313
    Quote Originally Posted by h100vw View Post
    If the engine is running the battery won't affect the operation of the electrics in the car.
    Normally I would agree.

    I did have one car in which the (rather large) amp for my stereo would cut out/wipers shudder/lights dim (to the bass) while driving.

    I thought for sure it was the alternator as the voltage was below 12V with the engine runninv and the car started fine.

    What actually happened was battery was a drawing massive loads from the alternator.

    Once I replaced the battery car was fine again.


    Sent from my SM-G930F using Tapatalk
    MY07 Red GTI 3 Door

  4. #14
    Join Date
    Jul 2005
    Location
    Newcastle
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    363
    Had a couple now that needed a new fuse powerbox as the abs unit was getting low power(around 7v) so the unit would not power up.
    Widebody Cayman S Turbo, 83 ur Quattro
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  5. #15
    Join Date
    Feb 2017
    Location
    NSW
    Posts
    7
    Thread Starter
    Sadly i wish i could say it was just the battery but nope new abs module and pump, $2800 ....

  6. #16
    Join Date
    Feb 2017
    Location
    NSW
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    7
    Thread Starter
    Why this has not been recalled in Aus is beyond me...

  7. #17
    Join Date
    Jan 2016
    Location
    Australia
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    7
    Users Country Flag
    Sorry to hear that. Mine failed last year in a big way at the end of the main straight at Sandown! I ended up replacing mine myself but it was a big job for a relatively inexperienced guy like me. Was a good justification for me to buy a VCDS cable though.

    $2800 is worth the piece of mind that your ABS and ESC will work when you really need it.

  8. #18
    Join Date
    May 2017
    Location
    Auckland
    Posts
    5
    Users Country Flag

    This is a recall - 2009 GTI - initially a software update to lower the tolerance that the fault triggers (had my software done March 17, never had issues - just took it in for the recall) fault is poor earth in the ABS module I believe. Now Feb 2018 unit has failed - all the flashy lights and a reset lasts about 3 days before they reappear - took to VW and they have agreed to replace the module under the recall, just waiting on parts....fingers crossed!!

    Recall notice is 45F2, google it for more info

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