{"nhtsa_id":10224141,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-17","date":"2022-07-08","document_id":"TSB011120Rev1","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)","mfr_system":null,"summary":"TSB: When certain vehicle ECUs are replaced, the ECU security key must be written in order for that ECU to communicate on the vehicle network. The Techstream Software Health Check Results screen has been enhanced to help identify if a replacement ECU requires an ECU security key.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10224141-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10224141-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10224141","components":[{"id":"engine","name":"Engine","parent":null},{"id":"engine-control-module","name":"Engine control module","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"TOYOTA","model":"BZ4X","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_toyota_bz4x"]},{"make":"TOYOTA","model":"COROLLA","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_toyota_corolla"]},{"make":"TOYOTA","model":"MIRAI","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_toyota_mirai","2022_toyota_mirai"]},{"make":"TOYOTA","model":"RAV4 PRIME","year_from":2021,"year_to":2022,"match":"base","vehicle_ids":["2021_toyota_rav4","2022_toyota_rav4"]},{"make":"TOYOTA","model":"SIENNA HYBRID","year_from":2021,"year_to":2022,"match":"base","vehicle_ids":["2021_toyota_sienna","2022_toyota_sienna"]},{"make":"TOYOTA","model":"TUNDRA","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_toyota_tundra","2022_toyota_tundra"]},{"make":"TOYOTA","model":"TUNDRA HYBRID","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_toyota_tundra"]},{"make":"TOYOTA","model":"VENZA HYBRID","year_from":2021,"year_to":2022,"match":"base","vehicle_ids":["2021_toyota_venza","2022_toyota_venza"]},{"make":"TOYOTA","model":"redundant 86","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"TOYOTA","model":"redundant SIENNA","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"TOYOTA","model":"redundant VENZA","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]}],"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":[]}