{"vehicle":{"id":"2024_lexus_nx","year":2024,"make":"Lexus","model":"NX"},"code":"P0420","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"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","component":"ELECTRICAL SYSTEM","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"}],"url":"https://open.wenmarpro.com/makes/lexus/nx/2024/bulletins?code=P0420"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/lexus/nx/2024/codes/P0420","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}