One problem related to brake abs warning light has been reported for the 2003 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 GMC Sierra 2500 based on all problems reported for the 2003 Sierra 2500.
Abs comes on at low speed. . It increases stopping distance. . I have once rear ended a vehicle because of this. There was no damage to either vehicle. . Also my abs light come on for a few seconds maybe two or three times a month. .