A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

Flashing brake light while accelerating hard.

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Old 09-02-1999, 08:02 AM
  #1  
Shabbis
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Default Flashing brake light while accelerating hard.

When I really push my 99.5 2.8 hard off the line, the brake light flashes and beeps at me, but then goes away when I let off the acceleration once I am at a cruising speed. Could it be the brake fluid sloshing (I know, not a technical term) around in the reservoir causing the sensor to get tripped? It only does this when I really hammer the accelerator. Do I need to top off the reservoir?

Any help would be appreciated. Thanks...
Old 09-02-1999, 08:07 AM
  #2  
Paul Z.
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Could also be a loose connection or faulty switch on the hand brake. Just a thought.
Old 09-02-1999, 08:13 AM
  #3  
Kyle Bailey
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Default It's probably a loose bulb or connector

I had an intermittent "BRAKE LIGHT" warning, and in my case it turned out to be an intermittent bulb. I think it simply measures the resistance on the two sides, and if it exceeds some limit, the warning illuminates.

There may be a separate warning for low brake fluid, but I am fairly certain that "BRAKE LIGHT" only indicates that a bulb is out.

Kyle
Old 09-02-1999, 08:28 AM
  #4  
markbradford
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Default It IS the fluid sloshing - I get this in my 99.5 1.8t too. The flashing warning and audible beep

corresponds to fluid - not a lamp. Take a look at your manual. I don't know what to do about it, I'm going to take it to the dealer next week.

Good Luck,
Mark
Old 09-02-1999, 09:25 AM
  #5  
donp
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I got this w/ my K04 if I hammered on it. I topped up the brake fluid... problem solved
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