NHTSASERVICE BRAKES,...
Mack Trucks, Inc. - Rear Brake Modulators May Short Circuit
Published: April 23, 2026Recall ID: 26V261000Category: vehiclesCountry: US
Reason for Recall / Hazard
A loss of anti-lock brakes and electronic stability control increases the risk of a crash or injury.
Product Description & Identification
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).
Affected Products
Rear Brake Modulators May Short Circuit
Additional Source Details
| Field | Value |
|---|---|
| Subject | Rear Brake Modulators May Short Circuit |
| Nhtsa id | 26V261000 |
| Component | SERVICE BRAKES, AIR |
| Recall link › Url | https://www.nhtsa.gov/recalls?nhtsaId=26V261000 |
| Recall link › Description | Go to Recall |
| Recall type | Vehicle |
| Do not drive | No |
| Manufacturer | Mack Trucks, Inc. |
| 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). |
| Completion rate | 22.18 |
| 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 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. |
| Consequence summary | A loss of anti-lock brakes and electronic stability control increases the risk of a crash or injury. |
| Mfr campaign number | SC0494 |
| Potentially affected | 2354 |
| Report received date | 2026-04-23T00:00:00.000 |
| Fire risk when parked | No |