MACK — recall

Automotive · United States · 2025-11-20

Mack Anthem and Pioneer vehicles, automatic high beams may not switch to low beams

Country	United States
Category	Automotive
Published	2025-11-20
Manufacturer	Mack Trucks, Inc.
Models affected	ANTHEM AN (4), PIONEER (PR)
Model year	2026, 2025-2026
Units affected	247
Defect	Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (4) and 2025-2026 Pioneer vehicles. The automatic high beams (AHB) may not switch to low beam headlights as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."_x000D_ High beam headlights that do not switch to low beam as intended can reduce visibility for oncoming traffic, increasing the risk of a crash.
Component	EXTERIOR LIGHTING
Remedy	As an interim action, Mack will update the vehicle software through an over-the-air (OTA) update to disable the AHB feature, free of charge. The final remedy is under development. Interim owner notification letters are expected to be mailed January 17, 2026. Additional letters will be sent once the final remedy is available. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0488. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 27, 2025.
Recall number	25V803000
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	FMVSS (NHTSA) · Full guide →

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