NHTSA Campaign 22V606000

ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

Issued by Mack Trucks, Inc. · Reported Aug 9, 2022 · 150 vehicles affected

What's wrong

Mack Trucks, Inc. (Mack) is recalling certain 2023 MD6/7 trucks. The engine control module (ECM) may experience an internal short-circuit, which can result in an unexpected engine shut down.

Consequence

An unexpected engine shut down can increase the risk of a crash.

Remedy

Cummins will replace the ECM, free of charge. Owner notification letters were mailed on September 27, 2022. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0438.

Vehicles affected by this recall

Make Model Year Units
MACK MD 2023 150

Source: NHTSA Campaign 22V606000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.