{"nhtsa_id":10014878,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-05-11","date":null,"document_id":"3491","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT","mfr_system":null,"summary":"ANTI-LOCK BRAKING SYSTEM (ABS) TELLTALE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE C0550. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10014878","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"}],"codes":["C0550"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_chevrolet_silverado"]},{"make":"GMC","model":"SAVANA","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_gmc_sierra"]}],"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":[]}