{"nhtsa_id":10008686,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-08-16","date":"2004-10-01","document_id":"040849006A","mfr_campaign":null,"replaces":"040849006B","component":"STRUCTURE:BODY","mfr_system":null,"summary":"SERVICE MESSAGE DISPLAYED, DIAGNOSTIC TROUBLE CODE (DTC) C0550 SET (REPROGRAM EBCM). *MJ UPDATE. ORIGINAL NOT YET RECEIVED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10008686","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":["C0550"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_cadillac_escalade"]},{"make":"CHEVROLET","model":"AVALANCHE","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_chevrolet_avalanche"]},{"make":"GMC","model":"YUKON","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_gmc_yukon"]}],"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":[]}