Mack Recall 26V719000: Electrical System, Adas, Hill Descent Assist, Software

NHTSA recall 26V719000 · announced October 29, 2026 · filed by Mack Trucks, Inc. · 151 units affected

The problem

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.

The risk

A false hill start assist message can lead to unexpected vehicle rollback on an incline, increasing the risk of a crash.

What to do

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.

Official NHTSA recall notice →

Vehicles covered by this recall

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.