NHTSA Campaign 25V801000
EQUIPMENT:MECHANICAL
Issued by Mack Trucks, Inc. · Reported Nov 20, 2025 · 46 vehicles affected
What's wrong
Mack Trucks, Inc. (Mack) is recalling certain 2025-2026 Pioneer vehicles. The load lock clamps, located on the back of the cab, may loosen and cause the load lock bars to become unsecured.
Consequence
A loose or unsecured load lock bar can result in a loss of cargo, creating a road hazard and increasing the risk of a crash.
Remedy
Dealers will replace the load lock clamps, free of charge. Owner notification letters were mailed December 18, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0489. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 27, 2025.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| MACK | PIONEER PR (4) | 2025 | 46 |
| MACK | PIONEER PR (4) | 2026 | 46 |
Source: NHTSA Campaign 25V801000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.