I changed the front brake pads and the sensor but the brake lining message inside the car would not go off. Disconnecting the battery did not clear the message. Also tried putting the key in position 2 to bring up the reset menu but that did not work.
If you did the job mechanically yourself, then erasing the code needs done by someone with that type of equipment..usually the parts store or dealer..
SOURCE: Brake light Out indicator will not go out on 1994 BMW 540i
Do it again, and again, if not, try disconnecting the battery negative terminal, with ignition key on and radio on, for four minutes and than connect terminal, back,do not panic when sparks come on wile connecting it. Turn ignition key off and start engine
SOURCE: brake wear visit work shop. merc e270
Mercedes brakes are setup with a pad wear indicator on the pads, one of the four pads in the front should have had a wire attached to it ( as well as in the rear brakes if 4 wheel disc). If this wire is broken or was't re-installed on the new pads, this will trigger the light on your vehicle, if all the wirs are connected properly and in place i would suggest taking it to the dealer to have them take care of the light. Hope this helps
SOURCE: Brake Pad Sensor
i have replaced both front/ rear pads, and no matter what the dash light will not go off. I have disconnected both front/rear sensors, and light is still on , any suggestions?
SOURCE: how do I reset the brake lining light after
Per the BMW service manual you are supposed to replace the wear indicators with each brake job.
SOURCE: Brake pad wear indicator light
Did you change the sensor? if you did, do a battery reset (disconnect for 10 to 20 min.).
Obviously the wear sensor has made contact with the rotor and is already
damaged. You're not even suppose to resuse the wear pad sensor if its
worn or damaged anyways.The way how the sensor works is that it must
make contact to the rotor to complete the wear pad light indicator
circuit. There is no mentioning that he replaced the the wear pad sensor with a new one.
But if one did replaced the wear pad sensor and the wear pad indicator
is lit up, the way to reset it is to leave the key on in ignition switch
#2 or #1 for about 30sec. turn it off and its reset.
Its possible that you forgot to replace the brake light sensors. They are about 15 bucks,
and have to be replaced in order for that light to turn off. You can either get them from the dealer where they'll likely charge you 3 times as much, or you can go to http://www.turnermotorsport.com and get them there.
You have to reset the light by leaving the ignition switch on position
#2 for about 30 sec. turn off the ignition and start the engine up and
see if it goes out. I recommend buying a new wear pad sensor as well because now light will lit up when you're way below spec (less than 3mm)
Also, you could try with this procedure for one E39: Turning off the Check Brake Linings warning on the Instrument Cluster...
- so you've just changed the brake pads on your E39, along with the
wear sensors. The old sensor(s) needed replacement cause you waited a
bit too long before changing the pads, and wore through the sensor(s),
turning on the BRAKE light on the dash. But wait, the light is still on?
But there's a new sensor installed... what gives?!
- there is a procedure required in order to turn off the light/warning.
With the ignition off, step on and hold the brake pedal. Now, while
holding the brake pedal down, turn on the ignition switch to position 2
(just before cranking). Hold the brake pedal until the BRAKE light is
off. Tada, the warning is gone and reset.
NOTE: This procedure worked on a 2001 E46 325i. It took about 15-20 seconds, but it cleared out w/o having to unhook the battery.
Other details find in the Owners Manual 2006-BMW-Z4m-Roadster-Owner-Manual
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