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S4 B5 ABS problem

Daniel Iversen Aug 29, 2018

  1. Daniel Iversen

    Daniel Iversen Member

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    So, little over a week ago i bought a S4 B5.

    Some days after i Got home with the car, it started flashing the brake lights (ABS fault).

    The fault code that comes up is P01435, and the ABS is acting fun when Braking.

    I was able to delete the fault code, But car is still acting funny with the ABS.

    Anyone have had the same problem and symptoms?

    The only problem i Can Think of is ABS ring failure.
     
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  3. aragorn

    aragorn "Stick a V8 in it!" Staff Member Moderator VCDS Map User

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    Is it a facelift car with ESP?

    That fault code is related to a brake pressure sensor which is either part of, or bolted to the ABS pump. If its part of the pump, it'll need a pump replacement to cure it. It can sometimes be caused by a broken brake light switch as well.

    Ring issues usually cause no fault codes at all, instead you get a bouncy brake pedal and a reduction in braking just before pulling up to a stop.

    Potentially you have more than one issue...
     
    pilla likes this.
  4. matt66604

    matt66604 Active Member VCDS Map User

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    If the abs is acting funny when braking. Check the rings on the front driveshafts. Corrosion builds up underneath and splits them. New ones can be had on eBay. Or a complete new CV joint is preferable. Quite cheap too.. and check the rings on the inside of the rear discs also if it’s a fwd. I bought a b5 tdi not long ago with abs light on. Guy just had new rear discs and the garage didn’t swap over the abs rings.. complete idiots
     

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