Mack Pioneer PR recalled over injury risk

Recall date

April 23, 2026

Source

National Highway Traffic Safety Administration (NHTSA)

Official notice title

Mack Trucks, Inc. recalls 2025–2027 Mack Pioneer PR (4), Anthem AN (4)

Recall number

26V261000

Brand / firm

Mack

Sold / distributed

Potentially affected: 2,354 units

Why it was recalled

A loss of anti-lock brakes and electronic stability control increases the risk of a crash or injury.

What was recalled

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).

What to do

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.. Follow the official notice for full instructions.