NHTSA campaign 21V300000 · Blue Bird campaign R21BG-SB
Blue Bird Recall 21V-300: Drivetrain Malfunction Can Cause Loss of Power
NHTSA recall 21V300000 (Blue Bird campaign R21BG-SB) was reported by Blue Bird Body Company on April 28, 2021, with 302 vehicles potentially affected (per NHTSA). NHTSA's record lists the Blue Bird All American, Blue Bird All American School Bus, Blue Bird Vision and more for model years 2018–2021. Owners were notified on October 25, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V300000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V300000 (also written 21V-300 or 21V300)
- Filed by
- Blue Bird Body Company
- Blue Bird campaign number
- R21BG-SB
- Report received
- Potentially affected
- 302 vehicles (per NHTSA)
- Component
- Steering
- Owners notified
Repair completion: 67.44% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V300000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Blue Bird
Blue Bird All American
Blue Bird All American School Bus
Blue Bird Vision
Blue Bird Vision School Bus
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V300000.
Defect description
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.
Safety consequence
A loss of assisted power steering increases the risk of a crash.
Manufacturer remedy
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.
Notes
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.
Sources
Official NHTSA notice for recall 21V300000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.