Every 2026 Mack Anthem AN (4) recall
Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.
Structure · NHTSA 26V631000
Oct 1, 2026Structure:Body:Bumpers:Active Shutters/Grill
- 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.
- Risk
- A detached bezel can become a road hazard for other vehicles, increasing the risk of a crash.
- 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.
Full recall details for 26V631000 →Service Brakes, Electric · NHTSA 26V620000
Sep 28, 2026Service Brakes, Electric:Software/Programming
- Problem
- Mack Trucks, Inc. (Mack) is recalling certain 2026-2027 Anthem AN (4) and Pioneer PR (4) vehicles equipped with a tanker application package. Inaccurate axle load calculations may cause reduced braking performance while transporting smoothbore tanker trailers.
- Risk
- Reduced braking performance can require a greater distance to stop, increasing the risk of a crash.
- Fix
- Dealers will install new software to disable the dynamic trailer braking calculations, free of charge. Owner notification letters are expected to be mailed November 27, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0500. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov on October 5, 2026.
Full recall details for 26V620000 →Service Brakes, Air · NHTSA 26V261000
Apr 23, 2026Service Brakes, Air:Antilock:Control Unit/Module
- Problem
- Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-2027 Anthem (4) vehicles. The rear brake modulators may have unprotected electrical connectors that can short circuit and lead to a loss of the anti-lock brake system (ABS) and electronic stability control (ESC).
- Risk
- A loss of anti-lock brakes and electronic stability control increases the risk of a crash or injury.
- Fix
- Dealers will inspect the rear brake modulator electrical connectors, install a protective cover, and replace the rear brake modulators, as necessary, free of charge. Owner notification letters were mailed June 8, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0494. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning April 30, 2026.
Full recall details for 26V261000 →Exterior Lighting · NHTSA 25V803000
Nov 20, 2025Exterior Lighting:Lighting Control Module:Software
- 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.
- Fix
- 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.
Full recall details for 25V803000 →
2026 Mack Anthem AN (4) complaints and service bulletins
Mack has issued at least 70 technical service bulletins (repair instructions to dealers) for this model year. Complaints are unverified owner reports; a recall is the manufacturer’s admission of a safety defect.
Service bulletins by component
- Electrical System (48)
- Engine (10)
- Service Brakes (7)
- Unknown Or Other (6)
- Power Train (3)
- Structure (3)
Read Mack Anthem AN (4) owner complaints and bulletins, every year
Check your Anthem AN (4) by VIN
Not every 2026 Mack Anthem AN (4) is in every recall. Enter your 17-character VIN to see the recalls on record for your exact vehicle, then confirm which are still open at NHTSA.gov or with any Mack dealer.
Run a free VIN recall check →