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Re: anti-lock brake light is on
Anti-lock brake light is onI had this problem and there is no way to check it. I took it to a shop and they find out, it is a wheel sensor. You can ask for them to check it only, because you need to know which wheel, if you can repair it your self. Reset it and after driving for a few miles it will flash again.
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best have vechicle pressure bleed since you have anti lock brake system.if you see brake light flashing you have brake failure either mastercylinder is faulty or still have air in brake system.let a garage fix brake system need tech 1 scanner to reset anti lock brake control module.
Any time the ABS light is on the ABS system is deactivated. The brake system should still function normally since the normal brakes do not rely on the ABS system to function.
The only thing you will notice is that the brakes will lock up under a hard or emergency braking situation.
My personal thought on this is at least find out why the light is on. If it is a relatively inexpensive repair that the added safety of the ABS system is well worth it. If it is a expensive repair that you'll havue to way the options.
Under .the passenger side of the dash or behind the passenger side kick panel you will find two connectors not connected to anything. One will have three wires and one will have two. With the key off jump the two terminals of the two wire connector. Turn the key on and count the number of times the abs light flashes. It shoul be a series of long flashes and short flashes. The long flash is the first number of the two digit code and the short flashes will be the second.
Post the codes and I will try to help you further.
I would say if you are not having problems with your brakes ( ABS means Anti-lock Brake System) then it is probably a broken wire on the wheel sensor that is right next to the drive shaft.
Have someone plug an OBD II reader in and see if you have any codes, please letme know what you find.
If you are having brake problems take your car in and have a reliable auto center repair.
no reset button.have the car anti-lock brake system scanned.to check code.because when anti - lock brake light come on.it can be many things.like faulty wheel sensor.faulty relay or the anti - brake unit low on brake fluid or the abs unit faulty.
The sensors are on the wheels. You need to have someone connect a scanner up to it since the light is on, you should be able to get a code. These units are difficult to diagnos without a scanner...even the flow charts that comes with the GM manuals sometimes will leave you hanging especially if it is the module on the ABS pump.
unfortunately the abs or anti-lock braking system consist of sometimes many complicated computer controlled components the only way to know for sure (without signs of major braking problems) (or tale tell signs) is to run the computer on a diagnostic scanner which give the error code for the problem ie:sensor x or y out of range pump malfunction etc.
Depending on the year you may be able to find a cheap scanner online or at an auto parts store for @$30-@$120 or take it to a GOOD mechanic if you know one and have it diagnosed probably around @$60-$80 US or the dealer will check it and more than likely get it right for around @$80-$100 US