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Mack Trucks - Inoperative trailer lighting
Official notice
18 Sept 2025
Last checked
18 Sept 2025
An official NHTSA notice concerns Mack Trucks - Inoperative trailer lighting. Trailer tail lights and turn signals that do not illuminate as intended can reduce visibility to other drivers, increasing the risk of a crash. Published 2025-09-18.
What to do now
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.
Units affected
156
Recall number
SC0484
Official notice
2025-09-18
The hazard
The hazard
Trailer tail lights and turn signals that do not illuminate as intended can reduce visibility to other drivers, increasing the risk of a crash.
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Affected products
Product 1
Units affected
Risk / hazard
Where it was sold
Where it was sold
The source does not list specific retailers. See the official notice for where affected vehicles were sold.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand
Manufacturer
Phone
Brand: Mack Trucks. Contact: Mack Trucks, Inc..
Source & status
Source & status
Recall details
Recall details
Recall number
Campaign number
Units affected
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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