{"nhtsa_id":11003639,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-07-06","date":"2024-04-18","document_id":"L-SB-0021-23 Rev1","mfr_campaign":"L-SB-0021-23","replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"Some 2022 – 2024 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU) is replaced. GTS+ software has been modified to indicate when configuration software is required. A new Configure column has been added to the GTS+ Health Check Results screen to show when configuration software is available for a specific ECU. REVISION NOTICE April 18, 2024 Rev1: •Applicability has been updated to include 2024 model year GX 550, LX 600, NX 250, NX 350, NX 350h, NX 450h+, RX 350, RX 350h, RX 450h+, RX 500h, RZ 300e, RZ 450e, TX 350, TX 500h, and TX 550h+ vehicles. •The Introduction section has been updated. •The Operation Procedure section has been removed. •The Standard ECU Configuration Procedure and ECU Configuration Value Writing Procedure sections have been added.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11003639-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11003639-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11003639","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LEXUS","model":"GX","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_lexus_gx"]},{"make":"LEXUS","model":"LX","year_from":2022,"year_to":2024,"match":"exact","vehicle_ids":["2022_lexus_lx","2023_lexus_lx","2024_lexus_lx"]},{"make":"LEXUS","model":"NX","year_from":2022,"year_to":2024,"match":"exact","vehicle_ids":["2022_lexus_nx","2023_lexus_nx","2024_lexus_nx"]},{"make":"LEXUS","model":"NX HYBRID","year_from":2022,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"RX","year_from":2023,"year_to":2024,"match":"exact","vehicle_ids":["2023_lexus_rx","2024_lexus_rx"]},{"make":"LEXUS","model":"RX HYBRID","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"RZ","year_from":2023,"year_to":2024,"match":"exact","vehicle_ids":["2023_lexus_rz","2024_lexus_rz"]},{"make":"LEXUS","model":"TX","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_lexus_tx"]},{"make":"LEXUS","model":"TX HYBRID","year_from":2024,"year_to":2024,"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":[]}