{"nhtsa_id":11038392,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-10-08","date":"2026-09-30","document_id":"L-SB-0028-26","mfr_campaign":"L-SB-0028-26","replaces":null,"component":"SERVICE BRAKES","mfr_system":null,"summary":"Some 2018 – 2023 model year LC 500, and LC 500h, 2021 – 2023 model year LC 500c, 2018 – 2023 model year LS 500, and LS 500h, 2015 model year RX 450h, and 2018 – 2022 model year RX 450h vehicles may exhibit a condition in which the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. One or more of the following specific Diagnostic Trouble Codes (DTCs) C1391, C1252, C1256, and/or C1253 will be stored in the vehicle memory to be used as verification. This condition may be caused by a small internal brake fluid leak inside the brake actuator.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038392-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038392-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038392","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":["C1252","C1253","C1256","C1391"],"topics":[],"vehicles":[{"make":"LEXUS","model":"LC","year_from":2018,"year_to":2023,"match":"exact","vehicle_ids":["2018_lexus_lc","2019_lexus_lc","2020_lexus_lc","2021_lexus_lc","2022_lexus_lc","2023_lexus_lc"]},{"make":"LEXUS","model":"LC HYBRID","year_from":2018,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"LS","year_from":2018,"year_to":2023,"match":"exact","vehicle_ids":["2018_lexus_ls","2019_lexus_ls","2020_lexus_ls","2021_lexus_ls","2022_lexus_ls","2023_lexus_ls"]},{"make":"LEXUS","model":"LS HYBRID","year_from":2018,"year_to":2023,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"RX HYBRID","year_from":2015,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"RX HYBRID","year_from":2018,"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":[]}