NHTSA Campaign 25V521000

STEERING

Issued by Mack Trucks, Inc. · Reported Aug 11, 2025 · 32 vehicles affected

What's wrong

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.

Consequence

A loss of steering control increases the risk of a crash.

Remedy

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.

Vehicles affected by this recall

Make Model Year Units
MACK ANTHEM (AN) 2025 32
MACK PIONEER PR (4) 2025 32
MACK PIONEER PR (4) 2026 32

Source: NHTSA Campaign 25V521000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.