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Antilock off light stays on. ABS help!

Posted: Tue Apr 09, 2013 10:50 am
by MHCAudi200t
What's up everyone?

Ever since I got the 200, the anti lock off light has been on. I pushed the button above the stereo that turns the ABS on and off. The light remains lit regardless if I push the button or not. Faulty switch? Any advice is always appriciated!


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Re: Antilock off light stays on. ABS help!

Posted: Tue Apr 09, 2013 5:04 pm
by Colin2750
Id' say either bad (Or missing) sensor, or the notches on 1 or more axles are dirty and it can't read them.

Re: Antilock off light stays on. ABS help!

Posted: Tue Apr 09, 2013 7:05 pm
by gtn116
It's possible that someone pulled the relay too. look under the dash for a relay with a 10amp fuse in the top. If you can't find one, that's probably the problem.

Re: Antilock off light stays on. ABS help!

Posted: Tue Apr 09, 2013 8:26 pm
by cuatrokoop
Or they just pulled the fuse......I did that on the CQ because I didn't want ABS.

Re: Antilock off light stays on. ABS help!

Posted: Tue Apr 09, 2013 10:52 pm
by MHCAudi200t
Thanks everyone for the advice, now at least i have a good direction in which i can start looking. I appriciate the help!

Cuatrokoop: is there an advantage or reason not to have ABS? I tought they help you stop faster.

Re: Antilock off light stays on. ABS help!

Posted: Wed Apr 10, 2013 6:01 am
by cuatrokoop
Older ABS systems are fairly intrusive. Maybe not as much on a stock-braked car, but on my CQ when I was running 993C2 brakes up front, you'd sneeze on the brake pedal and it would kick in. I'd assume that the acceleration sensor under the back seat was going "WTF is going on!" They also do not help you on low friction surfaces, like gravel, snow or ice regardless of brake set up or tire. Some time even in the rain they are a detriment, but that depends more on the tires ability to shed water.

The older ABS systems can almost always be out-performed on dry pavement by a good driver that knows how to get near the threshold of lock-up (hence the term threshold braking).

Re: Antilock off light stays on. ABS help!

Posted: Wed Apr 10, 2013 11:12 am
by Kuma
my ABS has been off ever since i got the car. I have had to stomp on the brakes a couple of times and never had an issue with the car not stopping either way. I rather like not having ABS. i hate that Chunking sound.

Re: Antilock off light stays on. ABS help!

Posted: Wed Apr 10, 2013 3:00 pm
by MHCAudi200t
cuatrokoop wrote:Older ABS systems are fairly intrusive. Maybe not as much on a stock-braked car, but on my CQ when I was running 993C2 brakes up front, you'd sneeze on the brake pedal and it would kick in. I'd assume that the acceleration sensor under the back seat was going "WTF is going on!" They also do not help you on low friction surfaces, like gravel, snow or ice regardless of brake set up or tire. Some time even in the rain they are a detriment, but that depends more on the tires ability to shed water.

The older ABS systems can almost always be out-performed on dry pavement by a good driver that knows how to get near the threshold of lock-up (hence the term threshold braking).


Oh i see, thanks for the quick lesson in ABS. :ty:

Re: Antilock off light stays on. ABS help!

Posted: Thu Apr 11, 2013 10:18 am
by MHCAudi200t
Thanks everyone for the advice!
After replacing the 10amp fuse on the relay and installing some missing bulbs on the cluster. I have a new question. When ever i drive the brake light flickers on and off when ever im driving, some times it comes on and will go back off. What can it be? Bad ground? Im gonna make sure and top off the brake fluid today.

Re: Antilock off light stays on. ABS help!

Posted: Thu Apr 11, 2013 11:02 am
by themagellan
MHCAudi200t wrote:Thanks everyone for the advice!
After replacing the 10amp fuse on the relay and installing some missing bulbs on the cluster. I have a new question. When ever i drive the brake light flickers on and off when ever im driving, some times it comes on and will go back off. What can it be? Bad ground? Im gonna make sure and top off the brake fluid today.


Fill up your powersteering fluid with the correct CHF fluid - That is your low fluid light.

Re: Antilock off light stays on. ABS help!

Posted: Thu Apr 11, 2013 11:55 am
by MHCAudi200t
themagellan wrote:
MHCAudi200t wrote:Thanks everyone for the advice!
After replacing the 10amp fuse on the relay and installing some missing bulbs on the cluster. I have a new question. When ever i drive the brake light flickers on and off when ever im driving, some times it comes on and will go back off. What can it be? Bad ground? Im gonna make sure and top off the brake fluid today.


Fill up your powersteering fluid with the correct CHF fluid - That is your low fluid light.


:ty: ill make sure to top both off.