The Recall Desk
HighNHTSA·25V803000·Announced 2025-11-20

Mack Trucks Recalls 2025-2026 Models for Automatic High Beam Defect

Mack Trucks is recalling 2025-2026 Pioneer and 2026 Anthem vehicles because automatic high beams may fail to switch to low beams, increasing crash risk.

What this means for you

Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.

Our severity reasoning: The recall involves a risk-of-harm product (vehicle lighting defect increasing crash risk) where injury has not yet been reported, fitting the High severity criteria.

Plain-English summary

Mack Trucks, Inc. is recalling certain 2026 Anthem and 2025-2026 Pioneer vehicles. The recall involves 247 vehicles where the automatic high beams (AHB) may not switch to low beam headlights as intended. This defect causes the vehicles to fail to comply with Federal Motor Vehicle Safety Standard number 108 regarding lamps and associated equipment.

High beam headlights that do not switch to low beam as intended can reduce visibility for oncoming traffic, increasing the risk of a crash. No specific injuries or fatalities are reported in the source text.

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. Owner letters were mailed on May 29, 2026. Owners may contact Mack's customer service at 1-800-866-1177. The recall number is SC0488. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 27, 2025.

The recalled product

Product
MACK ANTHEM AN (4), PIONEER PR (4)
Brand
MACK
Manufacturer
Mack Trucks, Inc.
Category
Vehicle — Lighting
Hazard
Affected units
247

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (2)

  • ANTHEM AN (4)
  • PIONEER PR (4)

Distribution

Distributed nationwide across the United States.

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