2024 Mack MD (electric) Recall: Battery management system software may cause the high-voltage battery to…
NHTSA campaign 24V399000 · Electrical System · filed Jun 4, 2024 · verified Jul 30, 2026
The defect
Mack Trucks, Inc. (Mack) is recalling certain 2024 MMDe electric trucks. The battery management system software may cause the high-voltage battery to shut down, which can result in a sudden loss of steering control and drive power.
The risk
A sudden loss of steering control and drive power increases the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Owners are advised not to drive their vehicles until the remedy has been completed. Dealers will update the battery management system software, free of charge. Owner notification letters were mailed July 10, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0464.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mack | MD (electric) | 2024 |
Related recalls
More Mack MD (electric) recalls
Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 24V399000 (manufacturer number SC0464). Data last verified Jul 30, 2026.