Recall 25V521000: 2025 Mack Anthem (an), 2025–2026 Mack Pioneer PR (4)
Updated from NHTSA data · How we count
- Report date
- Aug 11, 2025
- Vehicles affected
- 32
- Models
- 2
- Initiated by
- Manufacturer
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.
Affected vehicles
Details
- NHTSA campaign
- 25V521000
- Manufacturer campaign
- SC0483
- Manufacturer
- Mack Trucks, Inc.
- Owner letters
- Aug 21, 2025
- Components
- Steering (Steering)
Recall repairs are free at authorized dealers. To see if your vehicle is included, enter your VIN at NHTSA.gov or call the manufacturer.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. Methodology