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Mack Trucks, Inc. — ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

NHTSA · 22V606000 · published 2022-08-09

NHTSA campaign 22V606000

Hazard

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.

The text above is quoted verbatim from the NHTSA record. Confirm the affected units and the remedy with the manufacturer or NHTSA. Recall data may be incomplete, delayed, or superseded.

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Affected products

2023 MACK MD