NHTSA recall 25V622000
A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.
| Published by | NHTSA (United States) |
|---|---|
| Campaign number | 25V622000 |
| Manufacturer's number | SC0484 |
| Manufacturer | Mack Trucks, Inc. |
| Reported | 2025-09-18 |
| Owners notified | 2025-11-19 |
| Component | EXTERIOR LIGHTING:LIGHTING CONTROL MODULE |
| Units potentially affected | 156 |
| Part numbers | 24482702, 24482711 |
| Report | Quarterly report 4, for 2026 quarter 3 |
|---|---|
| Filed with NHTSA | 2026-10-07 |
| Vehicles in the campaign | 156 |
| Reported remedied | 148 (94%) |
| Reported unreachable | 0 |
| Reported removed | 0 |
These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 3, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026-10-19.
What is 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.
What can happen
Trailer tail lights and turn signals that do not illuminate as intended can reduce visibility to other drivers, increasing the risk of a crash.
The 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.
| 2025 MACK PIONEER PR (4) | Built from 2024-10-22. Listed as a series or trim of this model. |
|---|---|
| 2026 MACK PIONEER PR (4) | Built to 2025-09-05. Listed as a series or trim of this model. |
A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.
Bulletins for the same vehicles and component
| CBR 2532-1 202511 | 2025-12-03. Service bulletin. CBR - Automatic High Beam PR(4) - AN(4). |
|---|---|
| GDC25-012 092025 | 2025-09-29. Service bulletin. Lighting DTC list |
A bulletin is the manufacturer's note to its dealers. It is not part of this recall.