2023 Mack MD recall: engine
⚠️ 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.
💥 The risk
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.
Is the fix free? Yes. Safety recall repairs are free at any authorized dealer under federal law, including parts and labor. (Vehicles more than 15 years old when the recall was announced can be excluded, but most manufacturers still fix them.)
- NHTSA campaign
- 22V606000
- Manufacturer recall #
- SC0438
- Manufacturer
- Mack Trucks, Inc.
- Vehicles affected
- 150
- Component
- ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
- Owner phone
- 1-800-866-1177
- NHTSA hotline
- 1-888-327-4236
- Owner letters mailed
- Sep 27, 2022
- Recall started by
- MFR
- 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.