Mack Recall 25V622000: Exterior Lighting, Lighting Control Module

NHTSA recall 25V622000 · announced September 18, 2025 · filed by Mack Trucks, Inc. · 156 units affected

The problem

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.

The risk

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 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.

Official NHTSA recall notice →

Vehicles covered by this recall

• 2025 Mack Pioneer Pr (4)
• 2026 Mack Pioneer Pr (4)

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.