NHTSA safety recall

Recall 25V521000 · manufacturer campaign SC0483

Steering — Mack · reported 11 Aug 2025 · 32 vehicles potentially 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.

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.

NHTSA campaign
25V521000
Manufacturer campaign
SC0483
Filed by
Mack Trucks, Inc.
Report received
11 Aug 2025
Owners notified
21 Aug 2025
Potentially affected
32

Vehicles covered by this recall

Whether a particular car is affected and still unrepaired depends on its VIN — a model year being listed does not mean every car of that year is included. Check any VIN free on CarLogs, or at nhtsa.gov/recalls.

2025 Mack Anthem (an) 2025 Mack Pioneer Pr (4) 2026 Mack Pioneer Pr (4)

Is this car's recall fixed?

Recall repairs are free at any franchised dealer, for the life of the vehicle. A CarLogs report shows the recall status for a specific VIN as reported by the manufacturer — whether it's open or repaired, and whether the fix is available yet.

Source: NHTSA Office of Defects Investigation recall database. Look up another campaign →