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NHTSA campaign 21V741000 · Manufacturer campaign FL-903

Thomas Built Buses Recall 21V-741: Solenoid Connector to CNG Fuel Tank May Corrode

NHTSA recall 21V741000 (Manufacturer campaign FL-903) was reported by Daimler Trucks North America, LLC on September 23, 2021, with 87 vehicles potentially affected (per NHTSA). NHTSA's record lists the Thomas Built Buses Minotour for model years 2015–2018. Owners were notified on February 3, 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 21V741000 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
21V741000 (also written 21V-741 or 21V741)
Filed by
Daimler Trucks North America, LLC
Manufacturer campaign number
FL-903
Report received
Potentially affected
87 vehicles (per NHTSA)
Component
Electrical System — Wiring — Relays/Solenoids
Owners notified

Repair completion: 59.77% (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 21V741000. 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 21V741000.

Defect description

Daimler Trucks North America, LLC. (DTNA) is recalling certain 2015-2018 Thomas Built Minotour school buses. The under-body shut-off solenoid connector that connects to the CNG fuel tank may corrode, which could result in an electrical short.

Safety consequence

A short at the connector may cause a flame or overheating, increasing the risk of a fire.

Manufacturer remedy

Dealers will replace the CNG fuel shut-off solenoid, free of charge. Owner notification letters are were mailed February 03, 2022. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL-903.

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 21V741000

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.