2024–2026 Mack MD (electric): Electrical System recall
NHTSA campaign 26V719000 · 151 units potentially affected · filed Oct 29, 2026
What's wrong
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.
Why it matters
A false hill start assist message can lead to unexpected vehicle rollback on an incline, increasing the risk of a crash.
The fix
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.
Recall details
- NHTSA campaign
- 26V719000
- Manufacturer no.
- SC0502
- Manufacturer
- Mack Trucks, Inc.
- Component
- ELECTRICAL SYSTEM:ADAS:HILL DESCENT ASSIST:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Units affected
- 151
- Report received
- Oct 29, 2026
- Owner letters
- —
- Type
- Vehicle
Check whether your vehicle is included with the official NHTSA VIN lookup or your dealer. Repairs for safety recalls are free.