2022 Blue Bird All American Transit Bus Recall: Hydraulic Brake control unit (ECU) may not have been programmed correctly…
NHTSA campaign 21V084000 · Electronic Stability Control (esc) · filed Feb 17, 2021 · verified Jul 30, 2026
The defect
Blue Bird Body Company (Blue Bird) is recalling certain 2022 All American buses equipped with hydraulic brakes and electronic stability control (ESC). The Hydraulic Brake control unit (ECU) may not have been programmed correctly, possibly causing the ESC to malfunction.
The risk
If the electronic stability control does not function properly, it can increase the risk of a crash or injury.
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
Blue Bird will notify owners, and dealers will inspect the hydraulic brake ECU and repair it as necessary, free of charge. The recall began on April 9, 2021. Owners may contact Blue Bird customer service at 1-478-822-2242. Blue Bird's number for this recall is R21BC-NSB.
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
| Make | Model | Model years |
|---|---|---|
| Blue Bird | All American Transit Bus | 2022 |
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Other campaigns involving Blue Bird vehicles
All Blue Bird All American Transit Bus recalls → · All Blue Bird recalls →
Source: NHTSA recall database, campaign 21V084000 (manufacturer number R21BC-NSB). Data last verified Jul 30, 2026.