Mack dynamic steering and oversteer guidance feature may malfunction and cause a loss of steering control.
AFFECTED MODELS
Mack Anthem and Pioneer
VEHICLES AFFECTED
32
REMEDY
The oversteer guidance feature will be disabled through an over-the-air (OTA) update or by a dealer, free of charge.
COST
Free
The short version
Mack Trucks, Inc. reported a problem with the steering. Here is what owners need to know.
WHAT
The dynamic steering and oversteer guidance feature may malfunction and cause a loss of steering control.
WHY IT MATTERS
A loss of steering control increases the risk of a crash.
WHAT TO DO
The oversteer guidance feature will be disabled through an over-the-air (OTA) update or by a dealer, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 25V-521.
| YEAR RANGE | MODEL |
|---|---|
| 2025 | Mack Anthem |
| 2025–2026 | Mack Pioneer |
What changed
Newest first. The record shows both when the recall began and what has changed since.
- Recall reported to NHTSA. LATEST
Drive one of these? Check your VIN to see if your specific vehicle is affected.
Check your VINWhat this record means
Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.
Not affiliated
MyAutoRecalls is not affiliated with Mack Trucks, Inc. or the National Highway Traffic Safety Administration.