{"nhtsa_id":11036204,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-08-15","date":"2026-08-06","document_id":"26-01-039H DN","mfr_campaign":"9D3","replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"Certain Elantra (ADA) vehicles may have been incorrectly updated with Cylinder Noise Detection System (CNDS) software that can set DTC P132700; this software was intended only for Korean-built Elantra (AD) vehicles. In addition, the California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036204-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036204-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036204","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["P1327"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"ELANTRA","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_hyundai_elantra","2020_hyundai_elantra"]}],"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":[]}