NHTSA recall 26V261000
A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.
| Published by | NHTSA (United States) |
|---|---|
| Campaign number | 26V261000 |
| Manufacturer's number | SC0494 |
| Manufacturer | Mack Trucks, Inc. |
| Reported | 2026-04-23 |
| Owners notified | 2026-06-08 |
| Component | SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE |
| Units potentially affected | 2772 |
| Part numbers | 24710104 |
| Report | Quarterly report 2, for 2026 quarter 3 |
|---|---|
| Filed with NHTSA | 2026-10-07 |
| Vehicles in the campaign | 2772 |
| Reported remedied | 1663 (59%) |
| Reported unreachable | 0 |
| Reported removed | 0 |
These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 3, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026-10-19.
What is wrong
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 can happen
A loss of anti-lock brakes and electronic stability control increases the risk of a crash or injury.
The 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.
| 2026 MACK ANTHEM AN (4) | Built 2025-07-08 to 2026-04-21. Listed as a series or trim of this model. |
|---|---|
| 2027 MACK ANTHEM AN (4) | Built to 2026-04-21. Listed as a series or trim of this model. |
| 2025 MACK PIONEER PR (4) | Built 2024-10-22 to 2026-04-21. Listed as a series or trim of this model. |
| 2026 MACK PIONEER PR (4) | Built to 2026-04-21. Listed as a series or trim of this model. |
| 2027 MACK PIONEER PR (4) | Built to 2026-04-21. Listed as a series or trim of this model. |
A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.