NHTSA campaign 21V946000 · Manufacturer campaign FL-914
Western Star Recall 21V-946: Steering Shaft May Separate From Steering Gear
NHTSA recall 21V946000 (Manufacturer campaign FL-914) was reported by Daimler Trucks North America, LLC on December 8, 2021, with 21 vehicles potentially affected (per NHTSA). NHTSA's record lists the Western Star 4900 for model years 2021–2022. Owners were notified on February 28, 2022, 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 21V946000 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
- 21V946000 (also written 21V-946 or 21V946)
- Filed by
- Daimler Trucks North America, LLC
- Manufacturer campaign number
- FL-914
- Report received
- Potentially affected
- 21 vehicles (per NHTSA)
- Component
- Steering — Gear Box — Shaft Sector
- Owners notified
Repair completion: 80.95% (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 21V946000. 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.
Western Star
All Western Star recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 21V946000.
Defect description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Western Star 4900 vehicles. The steering shaft pinch bolt may not have been properly tightened, allowing the steering shaft to separate from the steering gear.
Safety consequence
Steering shaft separation may cause a loss of steering control, increasing the risk of a crash.
Manufacturer remedy
Dealers will inspect and replace the pinch bolt as necessary, free of charge. Owner notification letters were mailed on February 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-914.
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 21V946000
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.