{"nhtsa_id":637358,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-11-22","date":"2002-08-02","document_id":"020802","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING: LAMP","mfr_system":null,"summary":"CUSTOMERS MAY COMMENT ON A DISPLAYED WARNING MESSAGE INDICATING REDUCED BRAKE POWER ON 2003 FULL-SIZE PICKUPS AND UTILITY VEHICLES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/637358","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C/K SERIES","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C/K SERIES","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}