NHTSA : 22V606000

Campaign Details

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

Defect Description

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 / Hazard

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

Proposed Solution

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.

🚗 Affected Vehicles1

All the models below were recalled for this exact same problem.