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

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: 86,508 (86,508–86,508)
11 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2000
13 people reported this problem
1 person shared problem details
ABS brake light on dash, tried to brake and did not have ABS brakes. Dealership confirmed that ABS controller bad.
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