The Recall Desk
Our severity:HighNHTSA·26V719000·Announced 2026-10-29

Mack Recalls 2024-2026 Electric Trucks Due to Hill Start Assist Error

Mack Trucks is recalling 2024-2026 Medium-Duty Electric vehicles because a software error may display a false hill start assist message, increasing crash risk.

What this means for you

Our assessment, not the agency’s: severity 3/5 (High).

Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.

Our severity reasoning: The recall addresses a software error that may cause unexpected vehicle rollback on an incline, increasing the risk of a crash. The source does not report any illnesses, injuries, or deaths.

Plain-English summary

Mack Trucks, Inc. is recalling certain 2024-2026 Medium-Duty Electric (MDe) vehicles. These vehicles were incorrectly manufactured with the hill start assist (HSA) message enabled.

A false hill start assist message can lead to unexpected vehicle rollback on an incline, which increases the risk of a crash. The source does not report any illnesses, injuries, or deaths associated with this defect.

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.

The recalled product

Product
MACK MD (ELECTRIC)
Brand
MACK
Manufacturer
Mack Trucks, Inc.
Category
Vehicle — Commercial Truck
Hazard
Affected units
151

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (1)

  • MD (ELECTRIC)

Distribution

Distributed nationwide across the United States.

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