{"nhtsa_id":10040956,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-09-14","date":"2011-06-01","document_id":"TSB-11-01-022","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"HYUNDAI: 2011 SONATA. INSPECTION AND REPLACEMENT PROCEDURE FOR NATURAL VACUUM LEAKAGE DETECITON. ECM UPDATE INFORMATION. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10040956","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"SONATA","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_hyundai_sonata"]}],"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":[]}