Mack · United States · High
Mack Anthem (An), Pioneer PR (4): Steering
Affects Mack Anthem (An), Pioneer PR (4) · 2025–2026 — about 32 vehicles.
The hazard
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. 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.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational