{"nhtsa_id":11021725,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-08","date":"2025-07-23","document_id":"L-SB-0030-25","mfr_campaign":"L-SB-0030-25","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Some 2024 model year NX 350 vehicles equipped with a T24A-FTS engine may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P042000 (Catalyst System Efficiency Below Threshold Bank 1) present. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021725-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021725-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11021725","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0420"],"topics":[],"vehicles":[{"make":"LEXUS","model":"NX","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_lexus_nx"]}],"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":[]}