{"nhtsa_id":10028226,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-03-18","date":"2008-12-01","document_id":"TSB-08-01-030","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE; ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"HYUNDAI: TO UPDATE THE ENGINE SOFTWARE TO ADDRESS VEHICLES WHICH MAY EXPERIENCE ROUGH IDLING DURING THE INITIAL COLD START UP PERIOD AND ILLUMINATE THE MALFUNCTION INDICATOR LAMP (MIL) WITH DTC P0300. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10028226","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0300"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"ACCENT","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_hyundai_accent"]}],"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":[]}