Recall 25V801000: 2025–2026 Mack Pioneer PR (4)
Updated from NHTSA data · How we count
- Report date
- Nov 20, 2025
- Vehicles affected
- 46
- Models
- 1
- Initiated by
- Manufacturer
The 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.
The 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.
The fix
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.
Affected vehicles
Details
- NHTSA campaign
- 25V801000
- Manufacturer campaign
- SC0489
- Manufacturer
- Mack Trucks, Inc.
- Owner letters
- Dec 18, 2025
- Components
- Equipment:mechanical (Other / Unknown)
Recall repairs are free at authorized dealers. To see if your vehicle is included, enter your VIN at NHTSA.gov or call the manufacturer.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. Methodology