NHTSA Campaign 25V622000

EXTERIOR LIGHTING:LIGHTING CONTROL MODULE

Issued by Mack Trucks, Inc. · Reported Sep 18, 2025 · 156 vehicles affected

What's wrong

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.

Consequence

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

Remedy

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.

Vehicles affected by this recall

Make Model Year Units
MACK PIONEER PR (4) 2025 156
MACK PIONEER PR (4) 2026 156

Source: NHTSA Campaign 25V622000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.