One problem related to brake light on has been reported for the 2002 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 GMC Sierra 2500 based on all problems reported for the 2002 Sierra 2500.
Rear brake line rusted out over fuel tank where line runs on top of frame rail. All brake lines rusted. Also fuel lines rusted. Can or will fail at anytime. May cause an accident. No brake failure light!!!!.