Vehicle recall 24V399000 · June 4, 2024
2024 Mack MD (electric)
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.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
Do not drive affected vehicles until they are repaired. This is the manufacturer’s safety advisory for this recall.
- Summary
- 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.
- Consequence
- A sudden loss of steering control and drive power increases the risk of a crash.
- Remedy
- 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.
- 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.
Recall details
- NHTSA campaign
- 24V399000
- Reported to NHTSA
- June 4, 2024
- Filed by
- Mack Trucks, Inc.
- Manufacturer campaign
- SC0464
- Owner notification
- July 10, 2024
- Vehicles potentially affected
- 24
- Initiated by
- the manufacturer
- Components
- Electrical system › Propulsion system › Traction battery › Management system/energy control module (bms/becm) › Software
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack MD (electric) (2024): 2024
Has your Mack been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.