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ESP light! 2004 a4 1.8t

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Old Dec 17, 2010 | 01:39 PM
  #1  
muurai's Avatar
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Default ESP light! 2004 a4 1.8t

So today I was driving and turned off the car to grab a gatorad inside my local liquor store so when I come back I turn on the car and the ESP and abs light come on. At that point I'm like what the F? So I turn it off and turn it back on and the ESP is on but abs is off. What can be cause of this? Brake switch? Bad abs sensor? Please help
 
Old Dec 20, 2010 | 08:44 AM
  #2  
mranthonyharvey's Avatar
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Joined: Oct 2010
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From: Capitl Heights, MD
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Any codes? Scan her, best place to start.
 
Old Dec 21, 2010 | 08:43 PM
  #3  
Audi Tek's Avatar
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Joined: Jul 2009
Posts: 779
From: Connecticut
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brake light switch or mass air flow.... most common.

If you have fuel trim faults, Mass Air Flow....... You'll have a brake light switch fault in the brake electronics
 
Old Dec 22, 2010 | 11:53 AM
  #4  
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Joined: Mar 2010
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steering angle sensor. mass air flow (MAF) and brake swtiches don't cause abs to go off.
 
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