Mack recall: Engine and engine cooling
What is 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.
What could happen
An unexpected engine shut down can increase the risk of a crash.
The fix
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 covered
- Mack Md 2023
Facts
- NHTSA recall number
- 22V606000
- Type
- Vehicle
- Filed by
- Mack Trucks, Inc.
- Reported to NHTSA
- Aug 9, 2022
- Owners notified
- Sep 27, 2022
- Vehicles or items affected
- 150
- Started by
- The manufacturer
- Built
- –
- Part
- Engine and engine cooling › Engine › Engine control module (ECU/ECM)
- Maker's own recall number
- SC0438
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Other recalls for the same vehicles
- Mack recall: Seat belts Oct 6, 2025
- Mack recall: Seat belts May 21, 2025
- Mack recall: Equipment May 14, 2024
- Mack recall: Parking brake Mar 1, 2024
- Mack recall: Steering Nov 7, 2023
- Mack recall: Steering Aug 30, 2023
To check one car, enter its 17-character VIN on the official NHTSA page: a recall may cover only some vehicles of a model year.
Recall data: National Highway Traffic Safety Administration (NHTSA). Nebula is not affiliated with or endorsed by NHTSA.