Mack Trucks, Inc.: Service Brakes, Air:Antilock:Control Unit/Module (2025 MACK PIONEER PR (4), 2026 MACK ANTHEM AN (4), 2026 MACK PIONEER PR (4)…)
Read the official notice at NHTSA →
The text below is copied from the official NHTSA record. If anything differs, the official notice is correct.
- Company / brand
- Mack Trucks, Inc.
- Product
- 2025 MACK PIONEER PR (4); 2026 MACK ANTHEM AN (4); 2026 MACK PIONEER PR (4); 2027 MACK ANTHEM AN (4); 2027 MACK PIONEER PR (4)
- Reason / hazard
- A loss of anti-lock brakes and electronic stability control increases the risk of a crash or injury.
- What to do (remedy)
- 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.
- Distribution / sold at
- Potentially affected: 2772
- Defect
- 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).
- Component
- SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE
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