Question about 2003 GMC Yukon XL

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Brake and ABS warning light - 2003 GMC Yukon XL

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Chances are your brake pads are in need of replacement(auto wear indicators)

Posted on May 16, 2010

  • Bella185 Oct 31, 2010

    Have battled this problem for many months with my 2002 Yukon XL. Dash lights came on intermittently; hitting a bump, or of late, even taking a 90° curve would set it off. Have been checking and rechecking grounds, because it acted like a grounding issue, but that was no help. Had the grounding bolt assembly replaced as prescribed by (I believe) a tech bulletin; still was no help.
    Just had the EBCM board rebuilt and the dash lights have been off for a week. Apparently there's a circuit board component that either fails, or comes loose. But it's fixed now and I'm very relieved.
    Yukon XL Lady

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[Sorry, just signed up on this board, and am finding my way around. Meant to post as a solution, but instead it ended up as a comment to someone else's solution. Forgive me, please.]

Have battled this problem for many months with my 2002 Yukon XL. Dash lights came on intermittently; hitting a bump, or of late, even taking a 90° curve would set it off. Have been checking and rechecking grounds, because it acted like a grounding issue, but that was no help. Had the grounding bolt assembly replaced as prescribed by (I believe) a tech bulletin; still was no help. Just had the EBCM board rebuilt and the dash lights have been off for a week. Apparently there's a circuit board component that either fails, or comes loose. But it's fixed now and I'm very relieved.

Posted on Oct 31, 2010

  • 1 more comment 
  • Bella185 Oct 31, 2010

    In addition to the above information, one of the first things done was to have the front wheel hubs replaced, which had no noticable effect on the problem.

  • Bella185 Jan 28, 2014

    Update...still going strong!

  • Bella185 Nov 02, 2014

    UPDATE (Please read my initial post above about the ECBM rebuild). 4 years since my post above, and still going strong!

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SOURCE: ABS/BRAKE warning lights always on in 2000 VW Passat

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Posted on Feb 18, 2009

shocktroop40
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SOURCE: 2001 Jimmy ABS and brakes lights came on

I hate to say it, but the abs control module might have died on you. Thats the boxy looking thing under the hood that has a lot of brake lines and wire connectors going into it. I have seen this happen before and it ended up being one of the speed sensors on the wheels but usually its the module. Take the truck somewhere to get the light scanned, and that will give you a better idea of what it is.

Posted on May 24, 2009

emissionwiz
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SOURCE: abs warning light stays on no problems with brakes

The brakes will feel fine until u need the ABS, when the light is on the ABS is disabled. You need to have the ABS system tested for trouble codes, if the light is on there will be a code or codes.

Posted on Nov 14, 2008

mechanicm639
  • 253 Answers

SOURCE: my abs light is always on and now my brake warning light is on but brakes seem to be working fine

The ABS light is a warning that you have an issue with the ABS system. The red brake warning lamp is serious. It is telling you that there is an issue with the base brakes. Your car will be ok with an ABS light, but the red warning lamp could be really dangerous. You should have them checked ASAP. It could be from many causes. A park brake switch, low fluid, the causes are too numerous to list. Please for your safty have it checked. Good Luck

Posted on May 29, 2009

  • 12 Answers

SOURCE: fit new indicator stalk to VW passat esp , abs light on now

the stalk should have no interference with the abs or esp set up what i would look at doing is checking your abs sensors they can go all of a flash...goodluck

Posted on Jun 19, 2009

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On my 91 cougar it sat for about 2 months due to a power steering problem I fixed that problem now my abs and brake lights stay on is it possible if I bleed all four brakes they might shut off?


"Is it possible if I bleed all four brakes they might shut off?"

If you bleed the brakes all you will do is remove any air in the brake lines and replace the brake fluid with new fluid. Do this in any event if the brake fluid is 2 yrs old or more.

This will have no affect on the ABS warning light and when the light is displayed the ABS has turned off because there is a problem with the ABS. You will not get it back on until the cause is determined and fixed which may be just a failed wheel speed sensor.

The brake warning has probably been triggered by the same failure that has caused the ABS warning light (since they came on together and bleeding the brakes should make no difference).

If the car sat for 2 months, no doubt the battery went flat. You have not mentioned anything about the battery but if your battery is in poor shape this can trigger warning lights in many cars especially the ABS (and stability control systems).

The best option is to have the vehicle scanned for fault codes that have been generated and there will be one or 2 if these warning lights are displayed. Scanning the ABS for codes will show up one or more issues and you can trace the problem from there. I think you will find the brake warning and ABS warning have been caused by the same fault.

In any event make sure you check the brake fluid level in the car and look for any external leaks of fluid that may have developed. Check the operation of your brakes to ensure they are working normally and that the brake pedal is not slowly dropping to the floor when you continue to apply pressure. Bleed the brakes if the brake fluid is 2 yrs old or more.

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ABS LIGHT AND MODULE TROUBLESHOOTING:



Anti lock brake system light comes up when there is issue with car brake systems. It can be low brake fluid or faulty ABS fuse or its issue with brake system or assembly. Your vehicles brake system needs inspection.


To troubleshoot these issues, I suggest you to refer the help links provided below. There are direct links with accurate solution, for these specific issues.


Click the link below and follow the procedure: ------


All types of ABS LIGHT / brake problems and repairs

http://howtobyme.blogspot.com/2011/11/abs-and-service-light-comes-on.html

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http://howtobyme.blogspot.com/2011/11/abs-light-stays-on-but-brakes-work-fine.html

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http://howtobyme.blogspot.com/2011/11/vcs-and-abs-lights-go-on-and-off.html

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http://schematicsdiagram.blogspot.com/2011/06/abs-and-traction-control-lights-stays.html

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How Anti-Lock Brakes Work?

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Thanks.

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2 Answers

Abs light stays on and a yellow triangle warnng light


On occasion an ABS light will come on when a brake light is out. So check your brake lights first. Your ABS light is on because there is a malfunction in the ABS system. Is your brake warning light and your ABS warning light both on? This would be an indicator of a major malfunction in the ABS system. Stop driving the vehicle and fix this immemorially. If only your ABS light warning light is on this will not effect normal braking but the ABS system is disabled while the ABS warning light is on. You still need to have it repaired but you still have brakes for the moment. Now the code for this fault will be stored inside the ABS memory module. So you pinpoint this with scanner. Hope this helps

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1 Answer

Brake pulsating and abs light is on


brake pulsation is caused by warped brake rotors, not sure the ABS light and the pulsation are related, The ABS warning light requires a scanner to be connected and to read the fault code that is stored when the ABS warning light is turned on.

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1 Answer

Had front brakes changed on my 2005 kia sportage now the ads brake ligh and the regular brake light won't go off


Depending on how much brake work was done, either the wheel sensors have been damaged or were not properly reconnected. The regular brake warning light may be on because the ABS is disabled at the moment. Fixing the ABS problem may extinguish the standard warning light too. I suspect the brakes are working but not as an ABS-equipped system.
If you have one of the auto parts chain stores near you, take it to them for a free scan of yoru computer; the error code it finds may be more specific that the ABS warning light.

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1 Answer

Abs warning light stays on no problems with brakes


The brakes will feel fine until u need the ABS, when the light is on the ABS is disabled. You need to have the ABS system tested for trouble codes, if the light is on there will be a code or codes.

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1 Answer

Brake and ABS warning lights on, trac off on.


You may have a bad abs controller. You need to get the code for the abs light from a shop or auto parts store.

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2 Answers

Anti lock brakes


depending on the system if it is 2 channel or 4 channel one of the sensors that are located on the backing plate located behind calipers is eithier faulty or dirty you can try brake cleaner these sensors use a small magnet pickup device to sense when the wheel "locks up"

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