ABS Warning Light On and/or Erratic ABS Operation on GMC Suburban 2500

The anti-lock brake system (ABS) front wheel speed sensors are prone to failure. When a sensor fails, the ABS warning light may illuminate and/or the ABS system may activate erratically.

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Average mileage: 105,000 (60,000–150,000)
8 model years affected: 1992, 1993, 1994, 1995, more1996, 1997, 1998, 1999
10 people reported this problem
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Viewing 1 - 2 of 2 problem details
1999 GMC Suburban 2500 150,000 mi,
ABS light is normally always on. If the light is off when the vehicle is first started and attempted to move it feels like the emergency brake is on then the ABS light kicks on and it drives fine.
1999 GMC Suburban 2500 60,000 mi,
Replaced abs unit, all brake components, and sensors....Still acted up (bind up and slide) so I disconnected the abs unit and it works fine