brake warning on dis on start up

andy16vturbo · Apr 15, 2010

my dis is giving a brake warning which stops after a few seconds. I've been told its a common fault and if the brakes needed attention the brake warning would stay on.

The brakes aren't of the best condition but do not need changing just yet. Also the warning is intermittant, sometimes they are a few days apart. The fluid level is fine and the brakes operate spot on.

Anyone got coz suggestions?

1wheelonly · Apr 15, 2010

its the sensor on the brake pads, if you are close to audis suggested wear limit ( which is a joke ) then is probably just about there or you have a dikky wire.
as long as your aware of the limit of your pads then simply chop the wires going into the pad, strip them back and join them together, this then will re-create the circuit and turn off the lamp on the dis, dont forget to do both sides.
i did this on mine, as have many on here, simple solution untill you relace the pads.

andy16vturbo · Apr 15, 2010

thats the thing mate the light doesnt stay on, it goes off straight away. It flashes a few times then thats it. It also only happens now and again.

stevehall · Apr 15, 2010

I have this on mine, and it flashes the hand brake light also, but if i wait before putting into drive then i dont get any error - and nothing comes up on VAG COM

ukdan · Apr 15, 2010

Its something to do with too low a voltage when you first start the car. i remember reading on another forum about a fix from audi. They installed a relay in the wireing somewhere. Im sure a google search will bring this up.

1wheelonly · Apr 15, 2010

pm quattrojames, im sure hes had this problem and ukdans post above just reminded me, im sure he said a new battery was needed and all was resolved.

quattrojames · Apr 15, 2010

Speak of the devil.....

Does it just give three beeps and then shut up? And is worse on cold mornings? If so it's probably the current drain on the battery causing an excessive voltage drop in the braking system. It's an early sign your battery is on the way out, it's a very early sign though and there's every chance it will last out the summer.

stevehall · Apr 16, 2010

I thought it was battery, but put in a nice new high power one and i still get it

Codestud · Apr 17, 2010

ukdan said:
Its something to do with too low a voltage when you first start the car. i remember reading on another forum about a fix from audi. They installed a relay in the wireing somewhere. Im sure a google search will bring this up.

Yes. this is correct - it happened to mine recently, and it did become annoying so I got it fixed at an independent Audi specialist. The fix is a relay to be installed in the wiring. Cost was about £160.

There was nothing wrong with my brakes at all.

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brake warning on dis on start up

andy16vturbo

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1wheelonly

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andy16vturbo

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stevehall

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ukdan

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Codestud

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