2025–2026 Mack Pioneer PR (4) & 2025 Mack Anthem (an) recall: steering
⚠️ 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.
Is the fix free? Yes. Safety recall repairs are free at any authorized dealer under federal law, including parts and labor. (Vehicles more than 15 years old when the recall was announced can be excluded, but most manufacturers still fix them.)
- NHTSA campaign
- 25V521000
- Manufacturer recall #
- SC0483
- Manufacturer
- Mack Trucks, Inc.
- Vehicles affected
- 32
- Component
- STEERING
- Owner phone
- 1-800-866-1177
- NHTSA hotline
- 1-888-327-4236
- Owner letters mailed
- Aug 21, 2025
- Built
- Nov 4, 2024 – Nov 4, 2024
- Recall started by
- MFR