NHTSA campaign 21V148000 · Manufacturer campaign 21-04
Utilimaster Recall 21V-148: Flexible Exhaust Tube May Tear
NHTSA recall 21V148000 (Manufacturer campaign 21-04) was reported by Shyft Group on March 9, 2021, with 34 vehicles potentially affected (per NHTSA). NHTSA's record lists the Utilimaster Mobile Maintenance Truck for model years 2017–2019. Owners were notified on March 26, 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 21V148000 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
- 21V148000 (also written 21V-148 or 21V148)
- Filed by
- Shyft Group
- Manufacturer campaign number
- 21-04
- Report received
- Potentially affected
- 34 vehicles (per NHTSA)
- Component
- Engine and Engine Cooling — Exhaust System
- Owners notified
Repair completion: 8.82% (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 21V148000. 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.
Utilimaster
All Utilimaster recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 21V148000.
Defect description
Shyft Group is recalling certain 2017-2019 Utilimaster Mobile Maintenance Trucks equipped with a generator set. The flexible exhaust tube may tear, releasing hot exhaust gases into the generator compartment.
Safety consequence
An exhaust gas leak in the generator compartment can increase the risk of a fire.
Manufacturer remedy
Shyft Group will notify owners, and dealers will replace the exhaust tube, free of charge. The recall began on March 26, 2021. Owners may contact Shyft Group customer service at 1-800-582-3454. Shyft Group's number for this recall is 21-04.
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.safercar.gov.
Sources
Official NHTSA notice for recall 21V148000
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.