NHTSA campaign 21V929000 · Nova Bus campaign CR5220/5221/5222
Nova Bus Recall 21V-929: Door May Open and Close Unexpectedly
NHTSA recall 21V929000 (Nova Bus campaign CR5220/5221/5222) was reported by Nova Bus (US) Inc. on November 26, 2021, with 125 vehicles potentially affected (per NHTSA). NHTSA's record lists the Nova Bus LFS for the 2021 model year. Owners were notified on December 15, 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 21V929000 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
- 21V929000 (also written 21V-929 or 21V929)
- Filed by
- Nova Bus (US) Inc.
- Nova Bus campaign number
- CR5220/5221/5222
- Report received
- Potentially affected
- 125 vehicles (per NHTSA)
- Component
- Electrical System — Software
- Owners notified
Repair completion: 100% (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 21V929000. 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.
Nova Bus
Nova Bus LFS
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V929000.
Defect description
Nova Bus (US) Inc. (Nova) is recalling certain 2021 LFS buses. The vehicle multiplex software may unexpectedly cause the door system electronic control module (ECM) to open and close the rear passenger door when the bus stops.
Safety consequence
A passenger may exit the bus in an unsafe location if the rear passenger door opens unexpectedly, increasing the risk of injury. Additionally, the doors may unexpectedly close on an exiting passenger, increasing the risk of injury.
Manufacturer remedy
Nova Bus will provide instructions for how to update the vehicle multiplex and door system ECM software, and install a hardware dedicated wire kit, free of charge. Owner notification letters were mailed December 15, 2021. Owners may contact Nova customer service at 1-800-350-6682. Nova's number for this recall is CR5220/5221/5222.
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.nhtsa.gov.
Sources
Official NHTSA notice for recall 21V929000
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.