Mack Trucks: Hill Start Assist Message Incorrectly Enabled (electrical System)

Recalling firm
Mack Trucks, Inc.
Product
Component: ELECTRICAL SYSTEM. Mack Trucks, Inc. (Mack) is recalling certain 2024-2026 Medium-Duty Electric (MDe) vehicles that were incorrectly manufactured with the hill start assist (HSA) message enabled.
Reason
A false hill start assist message can lead to unexpected vehicle rollback on an incline, increasing the risk of a crash. Remedy: Dealers will update the dashboard notification software and add a correction to the owner's manual, free of charge. Owner notification letters are expected to be mailed December 28, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0502. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 5, 2026.
Classification
Class I
Category
vehicle recall
Country
United States
Agency
National Highway Traffic Safety Administration
Recall date
2026-10-29
Status
Ongoing
Distribution
Nationwide

Official recall notice from National Highway Traffic Safety Administration

Recall details on Nibble Recalls: https://trynibble.app/recalls/215665d6-022f-46db-a48c-f19e18e639fa