Mack recall: Electrical system
Do not drive. NHTSA and the maker advise owners not to drive these vehicles until they are repaired.
What is wrong
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.
What could happen
A sudden loss of steering control and drive power increases the risk of a crash.
The fix
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.
Vehicles covered
- Mack Md (Electric) 2024
Facts
- NHTSA recall number
- 24V399000
- Type
- Vehicle
- Filed by
- Mack Trucks, Inc.
- Reported to NHTSA
- Jun 4, 2024
- Owners notified
- Jul 10, 2024
- Vehicles or items affected
- 24
- Started by
- The manufacturer
- Built
- –
- Part
- Electrical system › Propulsion system › Traction battery › Management system/energy control module (bms/becm) › Software
- Maker's own recall number
- SC0464
Notes
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.
Other recalls for the same vehicles
- Mack recall: Seat belts Oct 6, 2025
- Mack recall: Vehicle speed control Jun 23, 2025
- Mack recall: Electrical system Jun 16, 2024
To check one car, enter its 17-character VIN on the official NHTSA page: a recall may cover only some vehicles of a model year.
Recall data: National Highway Traffic Safety Administration (NHTSA). Nebula is not affiliated with or endorsed by NHTSA.