{"nhtsa_id":11034396,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-07-02","date":"2026-06-30","document_id":"P003","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Leveraging PACCAR’s advanced Prognostic prediction algorithms, certain PACCAR MX-11 and MX-13 EMY 2024-2026 engines will receive proactive replacement instructions for the NOx sensor after catalyst to maximize uptime and maintain optimal performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034396-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034396-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034396","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T680","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_kenworth_t680"]},{"make":"KENWORTH","model":"T880","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_kenworth_t880"]},{"make":"PETERBILT","model":"579","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_peterbilt_579","2026_peterbilt_579"]}],"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":[]}