Mack Trucks, Inc.: Safety Recalls in 2026

Updated on March 19, 2026.

There was 1 safety recall made by Mack Trucks, Inc. in 2026. See the detail of the recall below.

You can also see similar information for other manufacturers.

Data Source: NHTSA.

See this for other years:

March 11, 2026

(Campaign #: SC0492)

ECU Software Error May Cause Unexpected Vehicle Movement/FMVSS 102

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."

NHTSA ID: 26V139000

Component: ENGINE AND ENGINE COOLING

# of Units Affected: 775

Consequence Summary:

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

Corrective Action:

Dealers will update the ECU software, free of charge. Owner notification letters are expected to be mailed May 8, 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.

Park Outside Advisory: No

Do not Drive Advisory: No

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