1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

ABS and ESP lights - Brake pressure sensor fault - Help!

Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by wilkoa6, Jan 9, 2009.

  1. wilkoa6

    wilkoa6 New Member

    Joined:
    Oct 11, 2005
    Messages:
    14
    Likes Received:
    0
    I am grateful for all the practical help and advice on here!
    I recently had ABS, ESP and flashing glow plug lights with no brake lights. This was cured by fitting a new brake light switch. Since then I have an intermittent problem with the ABS and ESP lights coming on when I brake and remaining on until the car is turned off and on.

    I took the car (2003 A6 Avant 1.9 Tdi) to local specialists today. The VAG reader came up with
    Brake Pressure Sensor 1 G201 01435

    They suggested this could be a new ABS control unit at over £1000. I'm hoping it could be something simpler. Could it be connected to the new brake switch? Is this worth changing?
    Any suggestions will be gratefully received!
     
  2. Google AdSense Guest Advertisement



    to hide this advert.
  3. wilkoa6

    wilkoa6 New Member

    Joined:
    Oct 11, 2005
    Messages:
    14
    Likes Received:
    0
    I think I may have cracked it! I reinstalled the brake light switch following the excellent instructions posted on
    http://forums.vwvortex.com/zerothread?id=1158315
    Since then I have had no ABS or ESP lights.
    I think the problem was that the switch was installed so that it took quite a movement of the brake pedal before the rear brake lights came on. Thus the ABS controller was detecting pressure before it got the signal from the brake switch. I have now got the brake lights coming on with the slightest brake pedal movement.

    I hope this is useful!
     
  4. vrbob

    vrbob Thats no Moon, Thats a space station!

    Joined:
    Jun 19, 2007
    Messages:
    2,375
    Likes Received:
    170
    That helped me alot so thanks for the info as this happened to me this morning when i went to go to work. Quick trip to audi for a new switch followed the guide as per the link and hey presto car is all good again.

    Just to say the brake switch i got from Audi today is a revised model so it looked completly different but hopefully works better than the last version.

    Also the link to the vwvotex website is very useful as i manged to fit the switch without breaking it as it seems like it might be a little tricky othewise.
     
    #3 vrbob, Mar 24, 2010
    Last edited: Mar 24, 2010
  5. wilkoa6

    wilkoa6 New Member

    Joined:
    Oct 11, 2005
    Messages:
    14
    Likes Received:
    0
    I am very pleased you found this useful! The knowledge on here has been very valuable to me.
     

Share This Page