{"nhtsa_id":10058400,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-09-15","date":"2015-06-01","document_id":"TSB-15-01-029","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ENGINE","mfr_system":null,"summary":"HYUNDAI: ENGINE CONTROL MODULE (ECM) SOFTWARE IS UPDATED ON CERTAIN VEHICLES FOR CANISTER PURGE VALVE (CPV) INCORRECT CPV FLOW, HEAVY ACCELERATION IN WARM AMBIENT TEMPERATURE HAS A SPARK KNOCK NOISE. MODEL 2014 ACCENT, VELOSTER. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10058400","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"ACCENT","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_hyundai_accent"]},{"make":"HYUNDAI","model":"VELOSTER","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_hyundai_veloster"]}],"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":[]}