{"nhtsa_id":6092574,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-12-29","date":"2000-09-01","document_id":"000847002","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"SOME CUSTOMERS MAY COMMENT ABOUT A SERVICE VEHICLE SOON MESSAGE DISPLAYED WHICH MAY OR MAY NOT STORE DIAGNOSTIC CODES B2647 AND / OR B2648 ON VEHICLES BUILT PRIOR TO VIN BREAKPOINT Y9255551. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/6092574","components":[],"codes":["B2647","B2648"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"IMPALA","year_from":2000,"year_to":2000,"match":"exact","vehicle_ids":["2000_chevrolet_impala"]},{"make":"CHEVROLET","model":"MONTE CARLO","year_from":2000,"year_to":2000,"match":"exact","vehicle_ids":["2000_chevrolet_monte-carlo"]}],"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":[]}