NHTSA Vehicles recall ·

2026–2027 Mack Anthem AN (4) and 1 more recall: Rear Brake Modulators May Short Circuit

Recall number
26V261000
Date
Manufacturer
Mack Trucks, Inc.
Category
Vehicles › Service Brakes
Recall type
Vehicle
Units affected
2772
Hazard tags
Crash risk Injury risk

Read the official NHTSA notice ↗

Product

Service Brakes, Air

Affected vehicles

MakeModelModel years
MackAnthem AN (4)2026–2027
MackPioneer PR (4)2025–2027

Not every vehicle of these models is affected. Enter your 17-character VIN on NHTSA.gov to check your vehicle.

Why was it 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).

Consequence

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

What should you 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.

Manufacturer campaign number

SC0494

Source: NHTSA (vehicles), recall 26V261000. Official notice. Republished from public data; RecallFlag is not affiliated with the NHTSA.