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ABS light on and drivers side rear brake locks up

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Old Jun 29, 2015 | 01:55 PM
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Default ABS light on and drivers side rear brake locks up

I have a 2001 GMC SIERRA and the ABS light is on and when I hit the brakes hard, the rear tire on the drivers side locks up. I replaced the wheel brake cylinder but that didn't help the situation. Any thoughts on where to look next?
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Old Jun 29, 2015 | 08:47 PM
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What code is the ABS throwing??

It should lead you in the right direction for figuring out the issue.
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Old Jun 29, 2015 | 08:48 PM
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Defective ABS unit. Read codes to find out how much you need to replace.
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