Recall 25V427000 — ELECTRICAL SYSTEM:SOFTWARE Defect in 2024-2026 MACK MD (ELECTRIC)
RECALL This recall affects up to 148 vehicles.
Recall Summary
| NHTSA Campaign | 25V427000 |
| Manufacturer | Mack Trucks, Inc. |
| Vehicles Affected | 148 |
| Component | ELECTRICAL SYSTEM:SOFTWARE |
| Date Notified | |
| Affected Vehicles |
Defect Description
Mack Trucks, Inc. (Mack) is recalling certain 2024-2026 Mack MD vehicles. When the Controller Area Network (CAN) communications are interrupted, the throttle signal from the electro mobility control unit may retain the last known throttle setting, and the engine will not return to idle as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 124, "Accelerator Control Systems."
Safety Consequence
An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash.
Remedy
Dealers will update the control unit software, free of charge. Owner notification letters were mailed August 14, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0481.
Related Recalls for MACK
| Campaign | Vehicle | Component | Date | Affected |
|---|---|---|---|---|
| 25V666000 | 2024 MACK MD (ELECTRIC) | SEAT BELTS:FRONT:ANCHORAGE | 15,841 | |
| 25V801000 | 2025 MACK PIONEER PR (4) | EQUIPMENT:MECHANICAL | 46 | |
| 25V622000 | 2025 MACK PIONEER PR (4) | EXTERIOR LIGHTING:LIGHTING CONTROL MODULE | 156 | |
| 25V495000 | 2026 MACK GRANITE GR (4) | SERVICE BRAKES, AIR:DRUM | 36 | |
| 25V521000 | 2025 MACK ANTHEM (AN) | STEERING | 32 | |
| 25V352000 | 2026 MACK GRANITE GR (4) | SERVICE BRAKES, AIR:DRUM | 5 | |
| 25V382000 | 2025 MACK GRANITE (GR) | ELECTRICAL SYSTEM:12V/24V/48V BATTERY | 8 | |
| 25V333000 | 2026 MACK MD | SEAT BELTS | 42 | |
| 25V030000 | 2010 MACK MRU | SERVICE BRAKES, AIR:ANTILOCK | 142 | |
| 25V185000 | 2022 MACK LRBE (ELECTRIC) | ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY | 17 |