NHTSA campaign 25V622000 · Mack campaign SC0484
Mack Recall 25V-622: Inoperative Trailer Lighting
- Recall influenced by NHTSA's Office of Defects Investigation
NHTSA recall 25V622000 (Mack campaign SC0484) was reported by Mack Trucks, Inc. on September 18, 2025, with 156 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mack PIONEER PR (4) for model years 2025–2026. Owners were notified on November 19, 2025, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 25V622000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 25V622000 (also written 25V-622 or 25V622)
- Filed by
- Mack Trucks, Inc.
- Mack campaign number
- SC0484
- Report received
- Potentially affected
- 156 vehicles (per NHTSA)
- Component
- Exterior Lighting — Lighting Control Module
- Owners notified
Repair completion: 94.87% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 25V622000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Mack
Mack PIONEER PR (4)
NHTSA's recall notice
As NHTSA's recall record states it for campaign 25V622000.
Defect description
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 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.
Manufacturer 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.
Sources
Official NHTSA notice for recall 25V622000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.