Engine control module (ecu/ecm): softwareRecall 24V-924 · 2015–2020 Freightliner Business Class M2
Daimler Trucks North America, LLC recall 24V-924 covers 139 2015–2020 Freightliner Business Class M2 for a engine control module (ecu/ecm): software problem, reported to NHTSA on December 11, 2024. The manufacturer's latest report (2026 Q3) shows 27% of affected vehicles repaired.
Source: NHTSA recall 24V924000 and manufacturer quarterly reports. Started by an NHTSA defect investigation.
The problem
Daimler Trucks North America, LLC (DTNA) is recalling certain 2015-2020 Freightliner Business Class M2 emergency vehicles equipped with certain Cummins diesel engines. The engine protection and inducement software may cause the engine to shut down unexpectedly.
The risk
An unexpected engine shutdown can delay emergency responders and increase the risk of injury.
The fix
Cummins will update the electronic control module software and install a corrected data plate, free of charge. Owner notification letters were mailed February 5, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1012.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
27%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.