{"nhtsa_id":11030933,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-04-07","date":"2026-03-27","document_id":"37-004","mfr_campaign":"37-004","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"Software","summary":"PACCAR MX-13 VECU3 Software Update - Certain heavy-duty chassis equipped with a PACCAR MX-13 engine are eligible for a Vehicle Electronic Control Unit (VECU3) software update.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030933-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030933-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030933","components":[],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T680","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_kenworth_t680","2025_kenworth_t680","2026_kenworth_t680"]},{"make":"KENWORTH","model":"T880","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_kenworth_t880","2025_kenworth_t880","2026_kenworth_t880"]},{"make":"PETERBILT","model":"567","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_peterbilt_567","2025_peterbilt_567","2026_peterbilt_567"]},{"make":"PETERBILT","model":"579","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_peterbilt_579","2025_peterbilt_579","2026_peterbilt_579"]},{"make":"PETERBILT","model":"589","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_peterbilt_589","2025_peterbilt_589","2026_peterbilt_589"]}],"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":[]}