{"nhtsa_id":11024922,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-11-04","date":"2025-10-28","document_id":"FDM-TSB-006","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This bulletin provides instructions for removing an inoperative vehicle TCU. Oshkosh Corporation initiated an over-the-air update security certification on TCUs for a select population of Oshkosh® S-Series™ 2.0 Front Discharge Mixers. The software update process was unsuccessful and has caused select TCUs to become inoperative. Affected TCUs must be returned to Oshkosh Corporation for reflashing in a controlled environment.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024922-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024922-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11024922","components":[],"codes":[],"topics":[],"vehicles":[{"make":"OSHKOSH","model":"S-SERIES","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]}],"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":[]}