Question about 2001 Chevrolet Tahoe

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2001 Chevy Tahoe with ABS & Brake light on.

I have a 2001 Chevy Tahoe with the ABS & Brake light on.The Electro-Hydraulic Control Unit runs continuosly. Do you have any suggestions?

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  • chrismodule Dec 02, 2008

    My ABS light is on and the module is running. I went under the truck and dis connected the module wires. Now the traction control light stays on, as well as the ABS light. The part is very expensive, so I've been driving without ABS brakes and traction control. Is there a more cost effective fix.

  • Anonymous Jan 12, 2009

    I have a 2001 Tahoe ABS and Brake light that comes on when it warms up, what could this be?

  • geeza10 Mar 07, 2009

    same problem, after this winter in new england the abs brakes were utilized a few times. i dont know much about cars, now the abs light and brake light come on soemtimes.

  • phantom1125 Dec 09, 2012

    Just unplug the fuse, you'll maintain traction control and save your battery. If you replace the fuse, the Electro-Hydro-Cont-Unit will run and you will have ABS.

  • phantom1125 Dec 09, 2012

    Just remove the fuse. You can put it in when you go for a grive. Or get it fixxed.

  • phantom1125 Dec 09, 2012

    ^for a DRIVE!!! Ha!

  • Anonymous Mar 17, 2014

    Brake lights came on and brakes are low]

  • Anonymous Mar 18, 2014

    light stays on while driving

  • Anonymous Mar 23, 2014




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I hope you have the problem fixed by now, but, it is the ABS control under the truck. You need to go under the hood and open the fuse box and disconnect the 60 amp fuse for the ABS, this will turn it off before it burns up. This however will also cause the traction assist off light to stay lit all the time. To the fix the problem you can pay tons of money ($700 or so) to have the dealership install a ABS control and the problem will happen again over time. Or, remove it yourself, go on ebay and ship it off to a guy who repairs them for about $150 and you will never have the problem again. Also, if you wrap your cable ends with plastic and protect them good, you can still drive you truck while the part is being worked on. It takes about a week.

Posted on Nov 24, 2008

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I have a 2004 s10 4X4 and my abs ligth comes on after a while. The brakes work fine and I found no difference. Can you tell me if a sensor is bad or what may be the problem? Thank you

Posted on Mar 22, 2009

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Have you checked to see if the control relay is stuck closed?

Posted on Nov 12, 2008

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On 2001 Chevy Tahoe the ABS lite comes on after I start moving. Sometime the brake lite will come on as well

Posted on Feb 02, 2013

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Read this thread, about 3 pages long, and has info and links for the control module fix and where to check the grounds.

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What is the C0265 error code

The ABS EBCM anti-lock brake module is failing causing problems with the ABS pump running constantly, also will drain your battery.
  1. Remove the ABS fuse to prevent ABS motor burn out.
  2. You can still drive your vehicle with the module removed.
  3. We recommend covering the exposed surface of the hydraulic control unit with aluminum foil to keep out water and dirt.
Common Failures:
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  • Codes: C0265, C0267, C0268
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The symptom you have is caused by a defective Master cylinder. Bench bleed the master before installing to keep air out of the ABS hydraulic control unit, if air gets in the unit the car will need to bleed of air using a special tool at the dealer. Do not get brake fluid on any painted surfaces or in your eyes, use proper safety gear. Only use special tubing Flare nut wrenches on the brake line fittings or you will round them off. Making up new lines is a whole other thing that requires special skills and tools.

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The fuse should be in the under hood fuse panel.The other thing you can do is disconnect the power wire to the ebcm.The ebcm is located on the passengers side below the drivers door area.Just unplug the 2 wire connector.It is the red and a black wire.About 10 gauge.The top part of this unit is the electronic brake control module and it is the cause of the motor running continuously.The problem is that water gets in to this and shorts out the unit.There are only 4 torx screws that hold this on but they are not easy to get at and sometimes they strip.I believe it is a number 20 torx bit.Hope this helps.Good luck.

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