Defect summary
Mack Trucks, Inc. (Mack) is recalling certain Bendix EC80 Advanced Electronic Control Units (ECU) part numbers K190048 and K163499. Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.
Consequence
Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.
Remedy
Dealers will reprogram the ECU software, free of charge. Owner notification letters are expected to be mailed December 15, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0490.
Source: NHTSA ODI recalls file, campaign 25E078000. Text as published by NHTSA.