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2024-2026 Mack MD (Electric) recall: software

Mack Trucks, Inc. reported this safety recall on June 23, 2025. It covers about 148 vehicles.

vehicles affected
148
reported
Jun 23, 2025
owners notified
Aug 14, 2025

Electrical system: software

What is wrong
Mack Trucks, Inc. (Mack) is recalling certain 2024-2026 Mack MD vehicles. When the Controller Area Network (CAN) communications are interrupted, the throttle signal from the electro mobility control unit may retain the last known throttle setting, and the engine will not return to idle as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 124, "Accelerator Control Systems."
Risk
An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash.
Remedy
Dealers will update the control unit software, free of charge. Owner notification letters were mailed August 14, 2025. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0481.

Recall number 25V427000

Affected vehicles

Questions about recall 25V427000

Is there a recall on the 2024-2026 Mack MD (Electric) software?

Yes. Recall 25V427000, reported on June 23, 2025, covers about 148 vehicles.

What is the fix for recall 25V427000?

Dealers will update the control unit software, free of charge. Owner notification letters were mailed August 14, 2025. Owners may contact Mack's customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0481.

Is the recall repair free?

Safety recall repairs are done free of charge at authorized dealers. A dealer can confirm with the VIN whether a specific vehicle is included and whether the repair has already been done.

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