Mack MD (Electric) recall 26V719000 - Software
NHTSA · October 29, 2026
- NHTSA recall campaign 26V719000 (Mack), reported .
- Potentially affected vehicles: 151.
- Component: Software.
- Details as of ; the linked official notice is authoritative for lot codes, VINs, and remedies.
- Agency
- NHTSA
- Posted
- Recalling firm
- Mack Trucks, Inc.
- Source ID
- 26V719000
How this recall compares
- NHTSA's recalls file lists 138 recall campaigns from Mack Trucks, Inc since 2010, 9 of them reported in 2026 so far.
- At 151 vehicles, it is smaller than 65% of the 791 NHTSA campaigns from 2026 so far with a count of potentially affected vehicles.
Defect
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.
Consequence
A false hill start assist message can lead to unexpected vehicle rollback on an incline, increasing the risk of a crash.
Corrective action
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.
Affected vehicles
| Make | Model | Year |
|---|---|---|
| Mack | Md (Electric) | 2024 |
| Mack | Md (Electric) | 2025 |
| Mack | Md (Electric) | 2026 |
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