Recall 26V620000: 2026–2027 Mack Anthem (an)

Report received

Sep 28, 2026

Manufacturer

Mack Trucks, Inc.

Potentially affected

850vehicles

Model years

2026–2027

Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.

What NHTSA recorded

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.

Possible consequence

Reduced braking performance can require a greater distance to stop, increasing the risk of a crash.

Remedy

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.

Affected model years

Pages for each model year show complaints, parts, mileage and other recalls.

• 2026 Mack Anthem (an)0 complaints
• 2027 Mack Anthem (an)0 complaints