{"vehicle":{"id":"2025_mack_pioneer","year":2025,"make":"Mack","model":"Pioneer"},"code":"U1146","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":11028049,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-03","date":"2026-01-07","document_id":"CBR 2545-1 202601","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"CBR - U114688 VMCU Communication Fault - AN (4) - PR (4).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028049-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028049-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028049"}],"url":"https://open.wenmarpro.com/makes/mack/pioneer/2025/bulletins?code=U1146"},"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/mack/pioneer/2025/codes/U1146","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."]}