Engine: engine control module (ecu/ecm)Recall 22V-606 · 2023 Mack MD

Mack Trucks, Inc. recall 22V-606 covers 150 2023 Mack MD for a engine: engine control module (ecu/ecm) problem, reported to NHTSA on August 9, 2022. The manufacturer's latest report (2024 Q2) shows 35% of affected vehicles repaired.

35%
Vehicles repaired52 of 150 · 2024 Q2
Vehicles affected1501 model
ReportedAug 9, 2022Owners notified Sep 27, 2022
Complaints since0Same system, after the recall

Source: NHTSA recall 22V606000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

The problem

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.

What to do

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.

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

Repair progress

How fast cars are being fixed

35%repaired

Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.

0%50%100%2022 Q32024 Q2
1 model

Vehicles in this recall