GMC Suburban 2500 Problem Report

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

(9 reports)

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.

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. -
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