OFFICIAL NHTSA RECALL

24V399000

Electrical System:propulsion System:traction Battery:management System/energy Control Module (bms/becm):software

Reported Jun 4, 2024 · Mack Trucks, Inc.

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.

This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.

Vehicle entries in this campaign

This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗