2023 Blue Bird Vision School Bus technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Feb 27, 2026 Service bulletinThe mechanical brake switch & bracket design has a potential for cumulative at-limit stack up clearances...
• Jul 29, 2025 Service bulletinSuspect Population: Certain 2021 through 2026 Blue Bird BBCV buses, equipped with a 217” WB flat floor &...
• Nov 25, 2024 Service bulletinThe 7.3L radiator uses adapter nuts, if not properly sealed, exposes the opportunity for fluid migration...
• Oct 26, 2023 Service bulletinRevised: Coolant leaks at the transmission cooler fittings on the radiator are occurring due to...
• Oct 25, 2023 Service bulletinCoolant leaks at the transmission cooler fittings on the radiator are occurring due to deformation of the...
• Aug 11, 2023 Service bulletinA motor high temperature error can display on the instrument cluster when the OEM coolant valve in the...
• Sep 2, 2022 Service bulletinSM2201
• Sep 2, 2022 Service bulletinSM2022 EV
• Sep 2, 2022 Service bulletinSM2203: EV
• Aug 18, 2022 Service bulletinCummins recently issued Temporary Repair Practice (TRP2484) for certain vehicles with DEF sensor failures...
• Apr 13, 2022 Service bulletinThis document provides information on the cluster software improvement to address symptoms of acceptable...