{"nhtsa_id":11029942,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-11","date":"2026-03-06","document_id":"26-EM-006H TSB","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Some Elantra (CN7) vehicles equipped with the 2.0L AKS NU PE engine may exhibit an illuminated Check Engine light for diagnostic trouble code (DTC) P218100 or P013300 which are related to the Integrated Thermal Management Module (ITM) and Oxygen Sensor monitoring. This bulletin provides instructions to update the Engine Control Module (ECM) logic to resolve the condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029942-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029942-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029942","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0133","P2181"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"ELANTRA","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_hyundai_elantra","2025_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":[]}