NHTSA recall 22V606000
Engine and engine cooling › Engine › Engine control module (ecu/ecm)
Mack MD
Reported Aug 9, 2022150 vehicles affectedMack Trucks, Inc.Maker’s number SC0438
The defect
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.
The risk
An unexpected engine shut down can increase the risk of a crash.
The 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.