Rear brake modulators may short circuit
Defect Summary
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).
Safety Consequence
A loss of anti-lock brakes and electronic stability control increases the risk of a crash or injury.
Corrective Action
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 are expected to be mailed june 22, 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.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Service Brakes, Air.
FAQ: Recall 26V261000
Your rights, the repair process, and what each field on this page means.
What is recall 26V261000?
NHTSA recall 26V261000 was issued by Mack Trucks, Inc. on April 23, 2026. It addresses: Rear brake modulators may short circuit. The recall affects approximately 2,354 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 26V261000 or the manufacturer campaign number SC0494. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-20. For the most current official notice, visit nhtsa.gov/recalls.