Recall summary
What is being recalled
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.
Safety consequence
Why this recall matters
A false hill start assist message can lead to unexpected vehicle rollback on an incline, increasing the risk of a crash.
Manufacturer remedy
What owners should expect
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.
Associated products
Affected models and equipment
Official documents