{"nhtsa_id":10164294,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-09-06","date":"2019-08-28","document_id":"TSBCHA098_R1","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC","mfr_system":null,"summary":"TSBCHA098_R1: IBAU SYSTEM REPAIR FOR NOISE AND AIR BLEEDING - This bulletin has been revised to include additional information. This bulletin provides the repair procedure for the Integrated Brake Actuation Unit (iBAU) system on some 2014-2019MY EV/Hybrid/Plug-In Hybrid vehicles listed (see table), which may exhibit a \"Honking\" (Hissing) noise due to air remaining in the brake fluid system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10164294-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10164294-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10164294","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"NIRO","year_from":2017,"year_to":2019,"match":"exact","vehicle_ids":["2017_kia_niro","2018_kia_niro","2019_kia_niro"]},{"make":"KIA","model":"NIRO PHEV","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_kia_niro"]},{"make":"KIA","model":"NIRO PLUG-IN HYBRID","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_kia_niro"]},{"make":"KIA","model":"OPTIMA HYBRID","year_from":2014,"year_to":2019,"match":"base","vehicle_ids":["2014_kia_optima","2015_kia_optima","2016_kia_optima","2017_kia_optima","2018_kia_optima","2019_kia_optima"]},{"make":"KIA","model":"OPTIMA PHEV","year_from":2017,"year_to":2019,"match":"base","vehicle_ids":["2017_kia_optima","2018_kia_optima","2019_kia_optima"]},{"make":"KIA","model":"SOUL EV","year_from":2015,"year_to":2019,"match":"base","vehicle_ids":["2015_kia_soul","2016_kia_soul","2017_kia_soul","2018_kia_soul","2019_kia_soul"]}],"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":[]}