CarRecallWatch- Component
- EQUIPMENT:MECHANICAL
- Problem
- 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.
- Risk
- 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.
What this recall means for you
Certain trucks have load lock clamps on the back of the cab that may loosen over time. When that happens, the load lock bars can become unsecured, and cargo may be lost onto the road.
A loose or unsecured load lock bar can cause a loss of cargo, creating a road hazard for other drivers and increasing the risk of a crash.
Owners can have the load lock clamps replaced free of charge at an authorized dealer. Owner notification letters were mailed December 18, 2026. You can contact Mack customer service at 1-800-866-1177 and reference recall SC0489, and you can check whether your VIN is involved by searching NHTSA.gov.
Check whether this recall is open on your vehicle
Official recall notice
Affected vehicles
| Mack Pioneer PR (4) | 20252026 |
|---|