2017–2019 Utilimaster Mobile Maintenance Truck Recall: Flexible exhaust tube may tear, releasing hot exhaust gases into the…
NHTSA campaign 21V148000 · Engine and Engine Cooling · filed Mar 9, 2021 · verified Jul 30, 2026
The defect
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.
The risk
An exhaust gas leak in the generator compartment can increase the risk of a fire.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Utilimaster | Mobile Maintenance Truck | 2017, 2018, 2019 |
Related recalls
Other campaigns involving Utilimaster vehicles
All Utilimaster Mobile Maintenance Truck recalls → · All Utilimaster recalls →
Source: NHTSA recall database, campaign 21V148000 (manufacturer number 21-04). Data last verified Jul 30, 2026.