Mack Recall 26V207000: Exterior Lighting, Turn Signal

NHTSA recall 26V207000 · announced April 1, 2026 · filed by Mack Trucks, Inc. · 86 units affected

The problem

Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2027 Anthem (4) trailers. The trailer turn signals may not function properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

The risk

Turn signals that do not function properly may fail to indicate the driver's intention to change vehicle direction, increasing the risk of a crash.

What to do

Dealers will update the turn signal indicator software, free of charge. Owner notification letters were mailed May 7, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0493. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov April 1, 2026.

Official NHTSA recall notice →

Vehicles covered by this recall

• 2027 Mack Anthem An (4)
• 2025 Mack Pioneer Pr (4)
• 2026 Mack Pioneer Pr (4)
• 2027 Mack Pioneer Pr (4)

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.