Question about Chevrolet Cavalier

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Brake light, trak off light, and ABS light came on at the same time. Right after a transmission fluid change(of all things). This happened at my last fluid change also. The lights stayed on for about a year no matter what I did and then went off, just like magic

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  • Chevrolet Master
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Alldata dot come,
read the 3 sections on topic, its all there.

Posted on Oct 13, 2013

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    _-__-___-_ Nov 10, 2013

    the book above covers that. why, and how long it take to self clear. RTM

  • _-__-___-_
    _-__-___-_ Nov 10, 2013

    in a real ASE shop, we'd have corrected that . ignoring the brake and ABS lamps is ill advised. they have scan codes, if the mech reset them and they didnt come back , they were false. Some codes are set, falsely from service (RTM) and its the mech, job at the end of the job to make sure all false DTCs are cleared. due to service. It's a simple rule, reset them, drive and see if they come back, if they do?, theY are REAL.

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  • Expert
  • 90 Answers

Brake light switch more than likely... The brake light switch controls several functions everything from cruse control shift interlock, brake lights etc

Posted on Nov 10, 2013

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Posted on Jan 02, 2017

  • 62 Answers

SOURCE: 2002 Mazda Protege ABS & Brake light

It is most likely caused by one of the ABS wheel speed sensors, those little cylindrical nipples on the back of your rotors with the cable attached to them. One way to confirm it is to read out the OBD2 codes for the ABS system, but there are some checks you can do. Visually check all four cables and sensors , and make sure there is no build up on the sensors. Make sure that the connector they plug into has good connections. Look at the wheel speed sensor and make sure the gap between the sensor head and the sprocket is the same on all four wheels (should be no more than a mm). Disconnect the wheel speed sensor cable and use an ohm-meter to check the resistance of all four sensors (they should all be similar, but don't remember the value exactly). There is a way to just disable the ABS by pulling out the 60A fuse, but if you do that you may have to plug in a code reader and use a grounding jumper on the ABS electical access box (don't remember which pin) to reset the ABS faults, otherwise you won't be able to drive around like that because your engine rpm at high speeds will behave erratically. Also, do not drive around without fixing this problem or bypassing ABS completely because it could get you into an accident. My ABS problem was intermittent, and the ABS would sometimes kick in on completely dry pavement as soon as I touched the break pedal, it almost caused me to rear-end a car on couple of occasions.

Posted on Jul 30, 2008

  • 599 Answers

SOURCE: abs , brake, traction control light on in 04 lesabre

check to make sure that all the the bulbs in the rear are working,even the third light

Posted on Apr 08, 2009

  • 1 Answer

SOURCE: brake lights stay on all of the time, ABS light on when driving

You most likely need to replace your brake switch, which is a
a $8 part. If you look up along the brake peddle you will see it depressing a switch. on the end of that switch is a electrical connector that you can press on one side to remove.
Once removed your brake lights will be disconected and your ABS
light should go off. You then need to replace the switch that it pluged in to.

Posted on Apr 12, 2009

706Cajun
  • 34 Answers

SOURCE: abs light on always

Have you checked your brake fluid? It may be low or an indication that the brake pads are worn, causing the light to stay on.

Posted on Apr 27, 2009

  • 31 Answers

SOURCE: 1999 vw jetta vr6 abs light stays on, but brakes work fine

the only way you will find this out is to have a diagnostic machine plugged in and the fault memory read to check what fault is logged, it could be anything from a ABS wheel speed sensor to a control module fault, to save money in the long run i would advise you get the fault memory read first. hope this helps

Posted on Jul 29, 2009

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1 Answer

1999 Windstar drives fine for awhile then something starts to happen the abs light comes on the trak light comes on the lights won't go hi and low no backup lights the turn signal won't turn o


Just as a precaution, please check the brake fluid reservoir on that model. There is a sensor at the base of the master cylinder which can leak brake fluid over the wiring circuit, and cause the electrics to short out. In some extreme cases this has caused fires in some vehicles. This is why Ford had issued a recall to this particular model in the states at least.

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First of all, make sure that your brake fluid level is correct. The brake, traction, and ABS systems on these cars all work together and if one thing goes wrong in any one part of the system, all of those lights will come on at the same time. Check your brake fluid level and be sure to use the correct DOT 3 brake fluid. DO NOT SUBSTITUTE with any other fluid. Let me know if your brake fluid level is ok and we'll go from there.

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CHECK FOR LOW TRANSMISSION FLUID LEVEL.IF FLUID LEVEL OKAY, BUT TRANSMISSION FLUID LOOK DARK SMELL BURNED, CHANGE TRANSMISSION FLUID AND FILTER.HAVE GARAGE OR DEALERSHIP CHECK ABS BRAKE SYSTEM. YOU COULD HAVE FAULTY WHEEL SPEED SENSOR OR ABS BRAKE MODULATOR SOLENOID PROBLEMS.

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ABS light tells you that there is some problem with the brake system like you have forgot to release the emergency brake or its time for you to change the brake fluid. Ford recommends to change the brake fluid every year.If you have recently refilled the brake fluid , check for any leaks.Abs light indicates that your braking system needs to be serviced.

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2 Answers

My Brake light and Abs lights will not go off


Theres a few things, brake fluid could be low, but not really a common thing, you will need to get it scanned usually the front abs wiring to the speed sensors wear over time. And getting it scanned will tell you what has turned the abs light on (code wise)

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Rr.ABS and the brake lights on


CHECK TO MAKE SURE WITH CAR RUNNING VOLTAGE AT THE BATTERY SHOULD BE 13.5 VOLTS TO 14.5 VOLTS. USE A DIGITAL VOLT METER TO CHECK VOLTS AT BATTERY. WITH ENGINE OFF BATTERY VOLTAGE SHOULD BE 12.5 VOLTS. IF NOT ALTERNATOR NOT CHARGING BATTERY.THAT WILL MAKE ABS AND BRAKE LIGHTS COME ON AND A FAULTY BRAKE LIGHT SWITCH WILL ALSO CAUSE ABS AND BRAKE LIGHTS COME ON.IF ALL LOOKS GOOD.HAVE THE ABS BRAKES SCANNED.IN THIS CASE YOU ARE HAVING BRAKE FAILURE.BECAUSE WHEN BRAKE LIGHT COMES ON THATS WARNING BRAKE FAILURE BECAUSE THE BRAKE MASTER CYLINDER AND ABS UNIT IS TOGETHER AS ONE.NOT SAFE TO DRIVE.COULD LOSE BRAKE CONTROL AT ANY TIME TOW IT IN.

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Rr.ABS and the brake lights on


I have a Chrysler sebring 2004, the ABS and traction control light has come on the dashboard display plus I have now no heater. I think it is a blown fuse but not sure

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Hyundai Matrix Check Engine and ABS lights come on


Your ABS likely has a very dirty reluctor (can happen if the teeth get mud or brake dust in them) or possibly one of your speed sensors is starting to weaken and is close to failure. The proper diagnostic sequence is to have the trouble codes pulled from ABS and Engine modules and determine what the computers SAW when the lights were turned on. Most likely based on description, your ABS will have a speed sensor code, and your engine and/or trans module will have a transmission related trouble code. Very few transmission codes are things you can service at home, usually youll see solenoid or gear slippage codes...mostly those require internal repairs that often require removal of the valve body or rebuild of the transmission.
Make sure you check fluid level, that is the most common cause of transmission slippage codes, however if fluid is full, it indicates that unless the fluid has failed completely, you may need transmission repairs.

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3 Answers

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you need brake fluid.

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