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.