{"nhtsa_id":10186043,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-02-02","date":"2021-01-22","document_id":"TSB_ENG225","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"TECHNICAL SERVICE BULLETIN: SERVICE ACTION: CENTER AND REAR MUFFLER INSPECTION AND REPAIR (SA461) - This bulletin provides the procedure to inspect the center muffler on some 2021MY Sorento (MQ4a HEV) vehicles equipped with 1.6L T-GDI engine, produced from September 02, 2020 through December 30, 2020, which may exhibit a poor engine start up due to freezing of condensation in the muffler(s) after parking the vehicle for an extended period of time in cold/freezing temperature. The issue does not affect drivability once the vehicle is started.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10186043-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10186043-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10186043","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"SORENTO HYBRID","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_kia_sorento"]}],"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":[]}