2020 Blue Bird All American 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.

• 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 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...
• Dec 11, 2019 Service bulletinModels Affected: 2010 thru 2021 All American Subject: This update provides information on the new surge...
• Dec 11, 2019 Service bulletinThe intent of Service Memorandum SM1906 is to make Blue Bird dealers aware that Cummins has released a...
• Oct 15, 2019 Service bulletinSM1904
• Oct 15, 2019 Service bulletinSM1905
• Sep 19, 2019 Service bulletinElectrical system
• Sep 18, 2019 Service bulletinEquipment adaptive/mobility
• Sep 9, 2019 Service bulletinOverview: Blue Bird and HSM Quality/Engineering teams have determined that the NextGen seats shipped from...
• Jul 26, 2019 Service bulletinService Memorandum (SM1903) includes basic troubleshooting steps for Cummins engines with "Aftertreatment...
• Mar 27, 2019 Service bulletinHSM NexGen Seat Track LH Missing Bolt: Overview: Blue Bird and HSM Quality/Engineering teams have...
• Mar 14, 2019 Service bulletinOverview: The Blue Bird or Cummins Dealer is to use the Cummins INSITE™ electronic service diagnostic...