Recall 25V803000: Mack Trucks, Inc., exterior lighting:lighting control module:software
Reported 2025-11-20 · vehicle recall · 247 units
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Problem
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."
Risk
High beam headlights that do not switch to low beam as intended can reduce visibility for oncoming traffic, increasing the risk of a crash.
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. Owner letters were mailed May 29, 2026. 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.
Affected vehicles
| Make | Model | Year |
|---|---|---|
| MACK | ANTHEM AN (4) | 2026 |
| MACK | PIONEER PR (4) | 2025 |
| MACK | PIONEER PR (4) | 2026 |
| Manufacturer campaign | SC0488 |
|---|---|
| Initiated by | MFR |
| Owner letters | 2026-05-29 |
Original record: NHTSA · JSON: /api/recall/25V803000.json · all recent recalls