Bumpers: active shutters/grillRecall 26V-631 · Mack vehicles
Mack Trucks, Inc. recall 26V-631 covers 3,096 Mack vehicles for a bumpers: active shutters/grill problem, reported to NHTSA on October 1, 2026.
Source: NHTSA recall 26V631000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
Mack Trucks, Inc. (Mack) is recalling certain 2026-2027 Anthem AN (4) and 2025-2027 Pioneer PR (4) vehicles. The intake and grille bezels may detach from the vehicle.
The risk
A detached bezel can become a road hazard for other vehicles, increasing the risk of a crash.
The fix
Dealers will inspect, replace the intake and grille bezels, and install cable ties as necessary, free of charge. Owner notification letters are expected to be mailed November 30, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0501. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov on October 8, 2026.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from October 22, 2024 to September 18, 2026. Not every vehicle in these model years is included; check by VIN.