{"nhtsa_id":10177945,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-08-05","date":"2020-08-03","document_id":"SC189_TSB","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN - AUXILIARY CANISTER INSTALLATION AND EVAP LEAKAGE TEST (SC189) - This bulletin provides information on the installation of an auxiliary EVAP canister on some 2011-2015MY Optima (TF) vehicles equipped with Theta 2.4L GDI engines, produced from August 12, 2010 through July 23, 2015. This is to improve evaporative system performance and ensure compliance with Federal and California emission regulation standards.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177945-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177945-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10177945","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA","year_from":2011,"year_to":2015,"match":"exact","vehicle_ids":["2011_kia_optima","2012_kia_optima","2013_kia_optima","2014_kia_optima","2015_kia_optima"]}],"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":[]}