{"nhtsa_id":51480,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-06-27","date":"1997-01-01","document_id":"7/1/B","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"EMISSIONS DIAGNOSTICS POWER CONTROL DIAGNOSTIC CODES P0446, P0447 AND P0448 INDICATE THE CANNISTER CLOSE VALVE (CCV) AS A POSSIBLE CAUSE FOR SETTING THE CODE, HOWEVER THERE MAY ALSO BE OTHER CAUSES. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/51480","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":["P0446","P0447","P0448"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"HYUNDAI","year_from":null,"year_to":null,"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":[]}