NHTSA campaign 21V659000 · Manufacturer campaign FL898

Thomas Built Buses Recall 21V-659: Power Steering Hose May Wear

NHTSA recall 21V659000 (Manufacturer campaign FL898) was reported by Daimler Trucks North America, LLC on August 25, 2021, with 1,934 vehicles potentially affected (per NHTSA). NHTSA's record lists the Thomas Built Buses SAF-T-Liner HDX for model years 2016–2021. Owners were notified on October 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 21V659000 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
21V659000 (also written 21V-659 or 21V659)
Filed by
Daimler Trucks North America, LLC
Manufacturer campaign number
FL898
Report received
Potentially affected
1,934 vehicles (per NHTSA)
Component
Steering — Hydraulic Power Assist — Hose, Piping, and Connections
Owners notified

Repair completion: 88.52% (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 21V659000. 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.

Thomas Built Buses

All Thomas Built Buses recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 21V659000.

Defect description

Daimler Trucks North America, LLC (DTNA) is recalling certain 2016-2021 Thomas Built Buses Saf-T-Liner HDX school buses equipped with an ISL or L9 engine. The power steering hose may be routed with inadequate clearance between the hose and the power cables.

Safety consequence

A worn power steering hose increases the risk of a fire.

Manufacturer remedy

DTNA will inspect the power steering hose routing and modify it as necessary, free of charge. Owner notification letters are expected to be mailed on October 17, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL898.

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 21V659000

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.