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NHTSA safety recall

Recall 26V719000: ELECTRICAL SYSTEM:ADAS:HILL DESCENT ASSIST:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Mack Trucks, Inc. · Reported to NHTSA Oct 29, 2026

Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.

Check a VIN on NHTSA.gov
Units potentially affectedThe manufacturer's own estimate of how many vehicles or items of equipment may contain the defect. It is not a count of failures, and not every unit in the range is necessarily affected.
151
Model years coveredModel years in our database that NHTSA matched to this campaign. Whether an individual vehicle is covered still depends on its VIN.
3
Models covered
1
Grouped from the model years above
Reported to NHTSA
Oct 29, 2026
Production Jun 22, 2023 – Sep 25, 2025

What this recall covers

NHTSA's campaign record, quoted as published

The 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.

The risk

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

The remedy

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.

A safety recall is issued when a manufacturer or NHTSA determines that a vehicle has a safety-related defect or does not comply with a federal motor vehicle safety standard. Recall repairs are free. Whether a specific vehicle is covered depends on its VIN — a recall listed for a model year does not necessarily apply to every vehicle of that year.

Campaign details

Identifiers and dates as filed with NHTSA

Manufacturer
Mack Trucks, Inc.
Manufacturer's campaign number
SC0502
NHTSA campaign number
26V719000
Units potentially affected
151
Report received
Oct 29, 2026
Production range
Jun 22, 2023 – Sep 25, 2025
Campaign type
Vehicle
Federal safety standard (FMVSS)
Not recorded

Vehicles covered

3 model years across 1 model

Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.