NHTSA Vehicles recall ·
2025–2026 Mack Pioneer PR (4) recall: Inoperative Trailer Lighting
- Recall number
- 25V622000
- Date
- Manufacturer
- Mack Trucks, Inc.
- Category
- Vehicles › Exterior Lighting
- Recall type
- Vehicle
- Units affected
- 156
- Hazard tags
- Crash risk
Read the official NHTSA notice ↗
Product
Exterior Lighting
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mack | Pioneer PR (4) | 2025–2026 |
Not every vehicle of these models is affected. Enter your 17-character VIN on NHTSA.gov to check your vehicle.
Why was it 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.
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.
What should you 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.
Manufacturer campaign number
SC0484
Source: NHTSA (vehicles), recall 25V622000. Official notice. Republished from public data; RecallFlag is not affiliated with the NHTSA.