2025 Mack Pioneer Pr (4) | 2026 Mack Pioneer Pr (4) | 2027 Mack Pioneer Pr (4) — Exterior lighting: turn signal
Published April 1, 2026 · Recall initiated: April 1, 2026
Summary
NHTSA records recall 26V207000, published April 1, 2026. Recalling firm: Mack Trucks, Inc.; 2025 Mack Pioneer Pr (4) | 2026 Mack Pioneer Pr (4) | 2027 Mack Pioneer Pr (4) — Exterior lighting: turn signal.
What's the hazard
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.
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.
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Recall details
- Brand
- MACK
- Model
- PIONEER PR (4)
- Manufacturer
- Mack Trucks, Inc.
- Lot
- 2025 MACK PIONEER PR (4) | 2026 MACK PIONEER PR (4) | 2027 MACK PIONEER PR (4)
- Risk classification
- V
- Country
- US
Related recalls
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- NHTSA2027 Mack Pioneer Pr (4) | 2027 Mack Anthem An (4) | 2026 Mack Anthem An (4) | 2026 Mack Pioneer Pr (4) | 2025April 23, 2026
- NHTSA2024 Nova Bus Lfs Artic | 2025 Nova Bus Lfs — Visibility: glass, side/rear: critical fastenersApril 1, 2026
- NHTSA2025 Volvo Vnl (4) | 2026 Volvo Vnl (4) | 2027 Volvo Vnl (4) | 2026 Volvo Vnr (4) | 2027 Volvo Vnr (4) —April 1, 2026
Questions about this recall
Was 2025 Mack Pioneer Pr (4) | 2026 Mack Pioneer Pr (4) | 2027 Mack Pioneer Pr (4) — Exterior lighting: turn signal recalled?
Yes. NHTSA published recall 26V207000 on April 1, 2026. Reported hazard: 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.
What should I do if I have this product?
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.
How do I know if my unit is part of the recall?
Compare your product details with the notice. Brand: MACK. Model: PIONEER PR (4).