Mack Recall 26V261000: Service Brakes, Air, Antilock, Control Unit/module

NHTSA recall 26V261000 · announced April 23, 2026 · filed by Mack Trucks, Inc. · 2,772 units affected

The 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).

The risk

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

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.

Official NHTSA recall notice →

Vehicles covered by this recall

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.