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ABS light on and off, ABS is activating while turning with no brake pedal depressed.

Tiny
GREGDILLON1973
  • MEMBER
  • 1998 GMC SONOMA
  • 4.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 140,000 MILES
I have been chasing this problem for a while, when turning without the brake pedal applied the ABS will activate and then when you try to stop the vehicle it is impossible due to the ABS being activated. I had a Check Engine light on today and the shop told me I had several codes, one being faulty brake light switch. Would this be causing the issue I am having?
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Friday, May 29th, 2015 AT 10:45 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You really know what codes are being sent to properly diagnose this. However if they told you switch is bad replace it. But it will need a scanner to get rid of all the codes to start over. Also check battery for condition including load test as that can give false codes as well.
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Friday, May 29th, 2015 AT 12:06 PM

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