Question about 2009 Buick Lucerne
Ever since cold weather set in, my rear window brake light will intermittently turn on while driving. Brake pedal is all the way up, and will not go up further. Light resets if I tap the brake pedal, but will come back on.. Do they still use limit switches on the pedals?
Are you sure the main brake lights are not coming on too? The work off the same switch. It sounds like your brake switch needs to be readjusted or replaced
Posted on Nov 26, 2013
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Posted on Jan 02, 2017
Could possibly have a bad connection on a wheel speed sensor. This would cause an erratic reading making the ABS light come on because the system thinks a wheel is either slipping or dragging.
Posted on Jul 15, 2009
The bulbs do not need to be replaced! The answer to this problem is believe it or not in the turn signal lever, or multi-function switch. It is extremely common on these cars, and usually mis-diagnosed. Try this before going any farther. Back the vehicle up to a wall, or have a person stand behind the car, and pull the turn signal lever slightly towards you as if you were switching between hi and low beams. I guarantee that when you put just a little pressure on the lever your brake lights will work. If you want the problem fixed, you need to have the switch (and lever arm) replaced from inside the steering column, and you need someone to remove the airbag to do this. The switch is roughly $200 from an aftermarket parts store. If you learn to drive your car and just know that when you brake you can pull back on the lever to make the lights work great, I did for a few years in mine. But I guarantee that is the answer to your problem
Posted on Aug 12, 2009
If your ABS light is on then you will have to get the codes read to see what sensor is giving you the problem.The ABS light being on will also affect the traction control and brake pedal going to floor.Auto Zone will check codes but I`m not sure if they do ABS codes.They don`t charge so it wouldn`t hurt to ask.After you get the codes you can post back and I can help you find the problem.Good luck.
Posted on Nov 21, 2009
I dont have a diagram but the brake light switch has to feed the turn signal switch, Either that wire has a bad connection, or the turn signal switch is bad. Jiggle the turn signal lever and see if the brake lights try to work.
Posted on Nov 25, 2009
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