Known Recalls

Model year record

2026 MACK Terrapro (TE)

1 recall campaign on file for this model year. No owner complaints on file.

Recalls

Recall campaignNHTSA 26V139000

Engine and engine cooling: engine: engine control module (ECU/ECM): software

Component
Engine and engine cooling: engine: engine control module (ECU/ECM): software
Manufacturer
Mack Trucks, Inc.
Vehicles affected
775
Reported to NHTSA
2026-03-11
Owners notified
2026-04-14

Defect description

Mack Trucks, Inc. (Mack) is recalling certain 2022-2027 TerraPro trucks. The engine control unit (ECU) software may allow the engine to start when the transmission is not in Neutral. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 102, "Transmission Shift Lever Sequence, Starter Interlock, and Transmission Braking Effect."

Safety risk

Starting the vehicle while in gear may cause unexpected vehicle movement, increasing the risk of a crash or injury.

Manufacturer remedy

Dealers will update the ECU software, free of charge. Owner notification letters were mailed April 14, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0492. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov March 18, 2026.

Owner complaints

A complaint is one person's report to a federal agency. It is not a finding.

No complaints recorded for this model year.

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.