2018–2019 Blue Bird All American, 2020–2021 Blue Bird All American School Bus, 2018–2019 Blue Bird Vision and 1 other model Recall: Drivetrain may experience an electromagnetic noise on the Control Area…
NHTSA campaign 21V300000 · Power Train · filed Apr 28, 2021 · verified Jul 30, 2026
The defect
Blue Bird Body Company (Blue Bird) is recalling certain 2018-2021 Vision and All American school buses. The drivetrain may experience an electromagnetic noise on the Control Area Network (CAN) bus, which may cause a loss of electrical power to the power steering pump.
The risk
A loss of assisted power steering increases the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Cummins will replace the High Voltage Low Power Inverter Harness, and install an overlay harness, free of charge. Interim owner notification letters were mailed on May 22, 2021. Owner notification letters were mailed on October 25, 2021. Owners may contact Blue Bird customer service at 1-478-822-2242.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
Related recalls
More Blue Bird All American recalls
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- 2014–2019 Blue Bird All American and 1 other model — Bolts securing the restraining barriers to the floor may…
- 2018–2019 Blue Bird All American and 3 other models — System Control Module (SCM) may activate the anti-rollback…
- 2018–2019 Blue Bird All American and 3 other models — Air compressor housing is improperly grounded, causing…
Other campaigns involving Blue Bird vehicles
All Blue Bird All American recalls → · All Blue Bird recalls →
Source: NHTSA recall database, campaign 21V300000 (manufacturer number R21BG-SB). Data last verified Jul 30, 2026.