Management system/energy control module (bms/becm): softwareRecall 24V-399 · 2024 Mack MD (electric)
Mack Trucks, Inc. recall 24V-399 covers 24 2024 Mack MD (electric) for a management system/energy control module (bms/becm): software problem, reported to NHTSA on June 4, 2024. The manufacturer's latest report (2025 Q1) shows 100% of affected vehicles repaired.
Do not drive these vehicles until repaired
Source: NHTSA recall 24V399000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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.
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
100%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.