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Mack MD (Electric) Recall 24V447: Loose High-Voltage Cable Can Cause Sudden Loss of Power

NHTSA campaign 24V447, reported June 16, 2024, 24 vehicles potentially affected.

What this recall means for you

An incorrectly assembled high-voltage connector may fail to lock properly, allowing the high-voltage cable to loosen. A loose cable can cause a sudden loss of steering and drive power, which raises the risk of a crash.

Owners are advised not to drive the vehicle until the remedy has been completed. Dealers will inspect and repair the mechanical connector lock as needed, at no cost to you. Owner notification letters were mailed July 10, 2024. You can also contact Mack customer service at 1-800-866-1177 with questions.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 24V447Mack Trucks, Inc.
Component
ELECTRICAL SYSTEM:PROPULSION SYSTEM: CABLES:FASTENER/CONNECTOR
Problem
Mack Trucks, Inc. (Mack) is recalling certain 2024 MD vehicles. An incorrectly assembled high voltage connector could prevent the mechanical connector lock from properly engaging, allowing the high voltage cable to loosen.
Risk
A loose high voltage cable can cause a sudden loss of steering and drive power, increasing the risk of crash.
Remedy
Owners are advised not to drive their vehicles until the remedy has been completed. Dealers will inspect and repair the mechanical connector lock as necessary, 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 SC0467.
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.safercar.gov.

Affected vehicles

Mack MD (Electric)2024