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Brake lights stay on all the time

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Old 06-26-2011, 12:35 PM   #1
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Default Brake lights stay on all the time

Hi guys.. New here

Ive a 2007 A4 B7 1.9TDI

I had an issue of my brake lights staying on all the time

Also ESP and heater plug light is flashing on the dash

Got it scanned it showed the brake light switch so i replaced it but still the problem occurs...

The switch was tested and once pressed it shows activated and was depressed the value reads "0"

Howver on the dianogtics it also showed a brake test switch and the value was at activated all the time..

Can anyone help?
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Old 06-26-2011, 12:47 PM   #2
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Quote:
Originally Posted by peteyg67 View Post
Hi guys.. New here

Ive a 2007 A4 B7 1.9TDI

I had an issue of my brake lights staying on all the time

Also ESP and heater plug light is flashing on the dash

Got it scanned it showed the brake light switch so i replaced it but still the problem occurs...

The switch was tested and once pressed it shows activated and was depressed the value reads "0"

Howver on the dianogtics it also showed a brake test switch and the value was at activated all the time..

Can anyone help?
Just to clarify, are you talking the rear parking lights (taillights) always on or the brighter brake lights? Our retired 2007 A4 2.0T always had the taillights on just like the DRLs. This is why I ask.
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Old 06-26-2011, 12:50 PM   #3
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Just to clarify, are you talking the rear parking lights (taillights) always on or the brighter brake lights? Our retired 2007 A4 2.0T always had the taillights on just like the DRLs. This is why I ask.

no i mean the brake lights
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Old 06-27-2011, 03:00 AM   #4
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Default lights

even though you already replaced it, still looks to me the switch for the brake lights is your problem.
how did you adjusted?
it adjust by itself at installation but sometimes it moves or if the pedal is pressed while installing it affects adjustment.
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Old 07-19-2011, 11:16 AM   #5
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I installed it by pressing the brake pedal in..

Placing the switch into the bracket then slowly let the pedal back and then turned the switch into place...

When the car is turned off and i press the brake pedal they brake lights go on, when the pedal is released they go off

As soon has i turn the car even to accessories the brake lights come on constant
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Old 01-21-2012, 12:30 PM   #6
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Hi, I have a 2005 b6 a4 1.9 tdi and am experiencing the exact same problem. I have also tried replacing the brake light switch (twice, both with genuine switches) and the brake light bulbs.
The brake lights work perfectly when the ignition is off, but as soon as it is switched on the brake lights come on!
I'm all out of ideas now, just wondered if you got to the bottom of your problem?
Thanks
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Old 01-21-2012, 12:33 PM   #7
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Quote:
Originally Posted by peteyg67 View Post
Hi guys.. New here

Ive a 2007 A4 B7 1.9TDI

I had an issue of my brake lights staying on all the time

Also ESP and heater plug light is flashing on the dash

Got it scanned it showed the brake light switch so i replaced it but still the problem occurs...

The switch was tested and once pressed it shows activated and was depressed the value reads "0"

Howver on the dianogtics it also showed a brake test switch and the value was at activated all the time..

Can anyone help?
Hi, I have a 2005 b6 a4 1.9 tdi and am experiencing the exact same problem. I have also tried replacing the brake light switch (twice, both with genuine switches) and the brake light bulbs.
The brake lights work perfectly when the ignition is off, but as soon as it is switched on the brake lights come on!
I'm all out of ideas now, just wondered if you got to the bottom of your problem?
Thanks
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Old 08-29-2013, 11:42 AM   #8
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Default brake light stuck on solution

Quote:
Originally Posted by peteyg67 View Post
Hi guys.. New here

Ive a 2007 A4 B7 1.9TDI

I had an issue of my brake lights staying on all the time

Also ESP and heater plug light is flashing on the dash

Got it scanned it showed the brake light switch so i replaced it but still the problem occurs...

The switch was tested and once pressed it shows activated and was depressed the value reads "0"

Howver on the dianogtics it also showed a brake test switch and the value was at activated all the time..

Can anyone help?
Hello had the same problem ,brake lights stuck on mil light on and heater light flashing,after fitting 2 new brake switches, found the problem to be 15 AMP FUSE BLOWN,under bonnet drivers side next to ECU, changed fuse car has been perfect for 5 days,,,,,
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Old 08-29-2013, 11:51 AM   #9
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Default AUDI BRAKE LIGHTS STAYING ON SOLUTION

Quote:
Originally Posted by peteyg67 View Post
Hi guys.. New here

Ive a 2007 A4 B7 1.9TDI

I had an issue of my brake lights staying on all the time

Also ESP and heater plug light is flashing on the dash

Got it scanned it showed the brake light switch so i replaced it but still the problem occurs...

The switch was tested and once pressed it shows activated and was depressed the value reads "0"

Howver on the dianogtics it also showed a brake test switch and the value was at activated all the time..

Can anyone help?
Hello had the same problem, after fitting 2 new brake switches, Found blown fuse under bonnet, next to ecu drivers side,Replaced fuse car has been perfect

HAPPY DAYS
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Old 09-09-2013, 12:10 AM   #10
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I have had this issue twice, both have been during fall when day temperatures are + and nights are -. I took it to repair shop and they knew how to fix it. Cost me EUR 20! Havent had this issue last fall, fingers crossed for this fall.
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2004, a4, a6, audi, back, brake, corner, headlights, light, lights, parking, rear, stay, staying, tiguan

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