2024 Mack Anthem (an), 2024 Mack Pinnacle (pi/pn), 2024 Mack Terrapro (te) Recall: Steering gear assemblies may have been assembled incorrectly with fewer…
NHTSA campaign 23V899000 · Steering · filed Dec 26, 2023 · verified Jul 30, 2026
The defect
Mack Trucks, Inc. (Mack) is recalling certain 2024 Anthem, Pinnacle, and Terrapro vehicles. The steering gear assemblies may have been assembled incorrectly with fewer recirculating balls than are required, which may result in a loss of steering control.
The risk
A loss of steering control increases the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will inspect and replace the defective gears as necessary, free of charge. Owner notification letters were mailed February 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0457.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mack | Anthem (an) | 2024 |
| Mack | Pinnacle (pi/pn) | 2024 |
| Mack | Terrapro (te) | 2024 |
Related recalls
More Mack Anthem (an) recalls
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- 2025 Mack Anthem (an) and 1 other model — Dynamic steering and oversteer guidance feature may…
- 2025 Mack Anthem (an) and 1 other model — Power cables may have been improperly routed, which can…
- 2025 Mack Anthem (an) — Idler gear bracket fasteners may have been improperly…
Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 23V899000 (manufacturer number SC0457). Data last verified Jul 30, 2026.