Propulsion system: fuses, relays, contacts, and shuntsRecall 21V-253 · Blue Bird vehicles

Blue Bird Body Company recall 21V-253 covers 292 Blue Bird vehicles for a propulsion system: fuses, relays, contacts, and shunts problem, reported to NHTSA on April 12, 2021. The manufacturer's latest report (2023 Q4) shows 58% of affected vehicles repaired.

58%
Vehicles repaired168 of 292 · 2023 Q4
Vehicles affected2924 models
ReportedApr 12, 2021Owners notified May 22, 2021
Complaints since0Same system, after the recall

Source: NHTSA recall 21V253000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

The problem

Blue Bird Body Company (Blue Bird) is recalling certain 2018-2021 Vision and All American school buses. The electric drive train cannot detect isolation faults when the high voltage contactors are closed.

The risk

An undetected high voltage isolation can expose service personnel to high voltage, increasing the risk of injury.

What to do

The fix

Blue Bird will notify owners, and dealers will update the Vehicle Control Unit software or install a different combination of High Voltage Power Distribution Unit hardware, free of charge. The recall began on May 22, 2021. Owners may contact Blue Bird customer service at 1-478-822-2242. Blue Bird's number for this recall is R21BD-SB.

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.

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

Repair progress

How fast cars are being fixed

58%repaired

Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.

0%50%100%2021 Q22023 Q4