Question about 2003 Chevrolet Silverado 2500HD

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Abs light is on 2003 chevy truck how can i find my problem

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The ABS and parking brake lights kept coming on in my boyfriends 2001 Chevy s10. We took it to the Chevy dealer and they ran a diagnostic on it determining that the ABS module was shot (common problem for them mechanic said). The cost to have it fixed at the dealer was about $750. I found a place in Moscow Idaho that rebuilt the module for $130!!!! YAHOOO! You have to pay about $35 in shipping costs ($17 each way) but they returned it to us in 3 days.I was able to remove the module myself and didn't need to mess with the brake lines/fluid--it was simple and took about 10 minutes to remove it. The site steps you through removal/installation if I can do this so can you! Go to www.modulemaster.com to determine if you have an ABS module that they can rebuild. It's guaranteed for 5 years and if we had the dealer replace it they would only guarantee it for 1 year. So go to the module master and save some cash!!!!

Posted on Nov 20, 2009

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You'll have to have a professional pull the ABS code from the computer. Either a GM dealer or a good shop will be able to pull the code with a scanner. I doubt the Auto Zone guys would have the appropriate scanner to pull your code. Most common problem is the ABS module has failed. The vehicle is safe to drive, but the ABS will NOT engage if you are forced to make an emergency stop. Normal braking is unaffected.

Posted on Nov 20, 2009

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  • Master
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Get the codes first. most likely the ABS module will have to be rebuilt. But if your lucky it may just be a wheel sensor issue

Posted on Nov 20, 2009

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chiquititas
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SOURCE: 2003 CHEVY TAHOE

Yeas, its sound so, re-charge the battery.

Posted on Jun 29, 2008

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SOURCE: Does my truck have abs brakes? It is 4x4 1992 chevy 1500

Your truck is equipped with RWAL or rear wheel anti-lock. This just worked on the rear brakes(duh) but the speed sensor was taken from the speedometer drive at the transmission tailshaft, and would allow one rear wheel to lock as long as the speedo kept turning. Later models were improved with wheel speed sensors at each wheel.

Posted on Apr 07, 2010

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1 Answer

Abslight stays on. How to fix? This is a2007trailblazer?


First you need to have EBCM - electronic brake control module check for DTC'S - diagnostic trouble code's . If the light is on there is a code stored . I think most part stores can do this and for free . After you find out what code is stored , looking up that code in service repair information for diagnostic trouble shooting chart would be next step . There are a few codes too.
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Find the code do the diagnostic's , fix the problem , wiring issue's , a sensor , bad module ,what ever it is . The light will go out then . Here is a sample of code discription .
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