Mack Pioneer PR recalled over injury risk

Recall date

September 18, 2025

Source

National Highway Traffic Safety Administration (NHTSA)

Official notice title

Mack Trucks, Inc. recalls 2025–2026 Mack Pioneer PR (4)

Recall number

25V622000

Brand / firm

Mack

Sold / distributed

Potentially affected: 156 units

Why it was recalled

Trailer tail lights and turn signals that do not illuminate as intended can reduce visibility to other drivers, increasing the risk of a crash.

What was recalled

Mack Trucks, Inc. (Mack) is recalling certain 2025-2026 Pioneer vehicles. When towing a trailer, the trailer lights may fail to illuminate due to an improperly manufactured body control module.

What to do

Dealers will replace the trailer body input/output module, free of charge. Owner letters were mailed November 19, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0484.Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning September 25, 2025.. Follow the official notice for full instructions.