Mack Pioneer PR (4) recall 25V622000 - Lighting Control Module
NHTSA · September 18, 2025
- NHTSA recall campaign 25V622000 (Mack), reported .
- Potentially affected vehicles: 156.
- Component: Lighting Control Module.
- Details as of ; the linked official notice is authoritative for lot codes, VINs, and remedies.
- Agency
- NHTSA
- Posted
- Recalling firm
- Mack Trucks, Inc.
- Source ID
- 25V622000
How this recall compares
- NHTSA's recalls file lists 137 recall campaigns from Mack Trucks, Inc since 2010, 16 of them reported in 2025.
- At 156 vehicles, it is larger than 36% of the 994 NHTSA campaigns from 2025 with a count of potentially affected vehicles.
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.
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.
Corrective action
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.
Affected vehicles
| Make | Model | Year |
|---|---|---|
| Mack | Pioneer Pr (4) | 2025 |
| Mack | Pioneer Pr (4) | 2026 |
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