Two problems related to brake abs warning light have been reported for the 2002 GMC Sierra. The most recently reported issues are listed below.
Abs is activating at low speeds under 10mph when stopping without abs light coming on.
While driving on dry surfaces abs system engaged, fresulting in extended stopping distance. The part was replaced twice. However, problem recurred. Second occurance resulted in collision 'garage door'; return true;" onmouseout="window. Status=''; return true;">garage door</a>. Abs senser replaced a second time.