NHTSA Recall 25V622000: Lighting control module (exterior lighting)
Mack Trucks, Inc. reported this safety recall to NHTSA on , covering an estimated 156 vehicles. It affects 2025–2026 Mack Pioneer PR (4).
| NHTSA campaign | 25V622000 |
|---|---|
| Manufacturer campaign | SC0484 |
| Component | EXTERIOR LIGHTING › LIGHTING CONTROL MODULE |
| Report received | September 18, 2025 |
| Owner notification | November 19, 2025 |
| Initiated by | NHTSA Office of Defects Investigation |
Defect
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.
Safety 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.
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 covered by recall 25V622000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.