Recall 25V-521: 2025 Mack Anthem (AN), 2025–2026 Mack Pioneer PR (4)
Mack Trucks, Inc. recall for steering, reported to NHTSA on Aug 11, 2025, covering about 32 vehicles.
The problem
Mack Trucks, Inc. (Mack) is recalling certain 2025 Anthem and 2025-2026 Pioneer vehicles. The dynamic steering and oversteer guidance feature may malfunction and cause a loss of steering control.
The risk
A loss of steering control increases the risk of a crash.
The fix
The oversteer guidance feature will be disabled through an over-the-air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed August 21, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0483.
Recall details
| Manufacturer | Mack Trucks, Inc. |
|---|---|
| Component | Steering |
| Recall started by | the manufacturer |
| NHTSA campaign number | 25V521000 |
Vehicles in this recall
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 25V-521?
Mack Trucks, Inc. (Mack) is recalling certain 2025 Anthem and 2025-2026 Pioneer vehicles. The dynamic steering and oversteer guidance feature may malfunction and cause a loss of steering control.
How is recall 25V-521 fixed?
The oversteer guidance feature will be disabled through an over-the-air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed August 21, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0483.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.